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BMC Medical Research Methodology

Ausgabe 1/2020

Inhalt (295 Artikel)

Open Access Technical Advance

Clinical risk prediction with random forests for survival, longitudinal, and multivariate (RF-SLAM) data analysis

Shannon Wongvibulsin, Katherine C. Wu, Scott L. Zeger

Open Access Technical advance

Best practices for collecting repeated measures data using text messages

Noa’a Shimoni, Siripanth Nippita, Paula M. Castaño

Open Access Research article

Reliability and validity of a sedentary behavior questionnaire for South American pediatric population: SAYCARE study

Augusto César Ferreira De Moraes, Marcus Vinícius Nascimento-Ferreira, Claudia Lucia de Moraes Forjaz, Juan Carlos Aristizabal, Leticia Azzaretti, Walter Viana Nascimento Junior, Maria L. Miguel-Berges, Estela Skapino, Carlos Delgado, Luis A. Moreno, Heráclito Barbosa Carvalho

Open Access Research article

Validity and bias on the online active Australia survey: activity level and participant factors associated with self-report bias

Rachel G. Curtis, Timothy Olds, Ronald Plotnikoff, Corneel Vandelanotte, Sarah Edney, Jillian Ryan, Carol Maher

Open Access Research article

Software tools to support title and abstract screening for systematic reviews in healthcare: an evaluation

Hannah Harrison, Simon J. Griffin, Isla Kuhn, Juliet A. Usher-Smith

Open Access Research article

A modified Delphi study to identify the features of high quality measurement plans for healthcare improvement projects

Thomas Woodcock, Yewande Adeleke, Christine Goeschel, Peter Pronovost, Mary Dixon-Woods

Open Access Research article

The TRANSFER Approach for assessing the transferability of systematic review findings

Heather Munthe-Kaas, Heid Nøkleby, Simon Lewin, Claire Glenton

Open Access Technical advance

Using research networks to generate trustworthy qualitative public health research findings from multiple contexts

Lot Nyirenda, Meghan Bruce Kumar, Sally Theobald, Malabika Sarker, Musonda Simwinga, Moses Kumwenda, Cheryl Johnson, Karin Hatzold, Elizabeth L. Corbett, Euphemia Sibanda, Miriam Taegtmeyer

Open Access Research article

A methodological quality assessment of systematic reviews and meta-analyses of antidepressants effect on low back pain using updated AMSTAR

Mohammad Hossein Panahi, Mostafa Mohseni, Razieh Bidhendi Yarandi, Fahimeh Ramezani Tehrani

Open Access Research article

Sample size issues in time series regressions of counts on environmental exposures

Ben G. Armstrong, Antonio Gasparrini, Aurelio Tobias, Francesco Sera

Open Access Research article

Flexible age-period-cohort modelling illustrated using obesity prevalence data

Annette Dobson, Richard Hockey, Hsiu-Wen Chan, Gita Mishra

Open Access Research article

Methods of competing risks flexible parametric modeling for estimation of the risk of the first disease among HIV infected men

Sahar Nouri, Mahmood Mahmoudi, Kazem Mohammad, Mohammad Ali Mansournia, Mahdi Yaseri, Noori Akhtar-Danesh

Open Access Research article

Development and preliminary validation of a brief nurses’ perceived professional benefit questionnaire (NPPBQ)

Yanli Hu, Jing Hu, Liping Li, Bin Zhao, Xiaohong Liu, Fan Li

Open Access Research article

Development of A Guideline for Reporting Mediation Analyses (AGReMA)

Aidan G. Cashin, James H. McAuley, Sarah E. Lamb, Sally Hopewell, Steven J. Kamper, Christopher M. Williams, Nicholas Henschke, Hopin Lee

Open Access Research article

Validation of the French version of the Vulnerable Elders Survey-13 (VES-13)

Joël Belmin, Lyamna Khellaf, Sylvie Pariel, Witold Jarzebowski, Lucie Valembois, John Zeisel, Carmelo Lafuente-Lafuente

Open Access Research article

A systematic review of methodology used in the development of prediction models for future asthma exacerbation

Joshua Bridge, John D. Blakey, Laura J. Bonnett

Open Access Debate

Why do you need a biostatistician?

Antonia Zapf, Geraldine Rauch, Meinhard Kieser

Open Access Research article

Framework for personalized prediction of treatment response in relapsing remitting multiple sclerosis

E. Stühler, S. Braune, F. Lionetto, Y. Heer, E. Jules, C. Westermann, A. Bergmann, P. van Hövell

Open Access Research article

Novel citation-based search method for scientific literature: a validation study

A. Cecile J. W. Janssens, Marta Gwinn, J. Elaine Brockman, Kimberley Powell, Michael Goodman

Open Access Correction

Correction to: Challenges of one-year longitudinal follow-up of a prospective, observational cohort study using an anonymised database: recommendations for trainee research collaboratives

Sivesh Kamarajah, Kenneth A. McLean, Aditya Borakati, Thomas M. Drake, Evelina Woin, Chetan Khatri, J. Edward Fitzgerald, Ewen M. Harrison, Aneel Bhangu, Dmitri Nepogodiev, James C. Glasbey, Joshua Burke, Michael F. Bath, Henry A. Claireaux, Buket Gundogan, Midhun Mohan, Praveena Deekonda, Chia Kong, Holly Joyce, Lisa Mcnamee, Nishkantha Arulkumaran, Samira Bell, Fiona Duthie, Jeremy Hughes, Thomas D. Pinkney, John Prowle, Toby Richards, Mark Thomas, K. Dynes, M. Patel, P. Patel, C. Wigley, R. Suresh, A. Shaw, S. Klimach, P. Jull, D. Evans, R. Preece, I. Ibrahim, V. Manikavasagar, R. Smith, F. S. Brown, P. Deekonda, R. Teo, D. P. Y. Sim, A. Borakati, A. E. Logan, I. Barai, H. Amin, S. Suresh, R. Sethi, W. Gul, W. Bolton, O. Corbridge, L. Horne, M. Attalla, R. Morley, C. Robinson, T. Hoskins, R. McAllister, S. Lee, Y. Dennis, G. Nixon, E. Heywood, H. Wilson, L. Ng, S. Samaraweera, A. Mills, C. Doherty, E. Woin, J. Belchos, V. Phan, M. Arnold, S. Sheik-Ali, R. Suresh, A. Cordaro, E. Mills, N. Lorch, D. Thomas, B. Ibrahim, S. Chee, T. Ngan, S. Pronin, N. Thakral, T. Yeoh, J. Wilson, R. Goodson, P. Molloy, M. Akhbari, W. Gul, R. Helliwell, S. Rees, M. Al-Attar, N. Griffiths, J. Mayes, P. Thomas, S. George, A. Thind, M. Kerr, F. Shafiq, I. Yasin, M. Gallagher, E. Sewart, T. Chouari, T. Gardner, N. Goergen, J. D. B. Hayes, C. S. MacLeod, R. McCormack, A. McKinley, S. McKinstry, W. Milligan, L. Ooi, N. M. Rafiq, T. Sammut, E. Sinclair, M. Smith, C. Baker, A. P. R. Boulton, J. Collins, H. C. Copley, N. Fearnhead, H. Fox, T. Mah, J. McKenna, V. Naruka, N. Nigam, B. Nourallah, S. Perera, A. Qureshi, S. Saggar, L. Sun, X. Wang, D. D. Yang, P. Caroll, C. Doyle, S. Elangovan, A. Falamarzi, K. Gascon Perai, E. Greenan, D. Jain, M. Lang-Orsini, S. Lim, L. O’Byrne, P. Ridgway, S. Van der Laan, J. Wong, J. Arthur, J. Barclay, P. Bradley, C. Edwin, E. Finch, E. Hayashi, M. Hopkins, D. Kelly, M. Kelly, N. McCartan, A. Ormrod, A. Pakenham, J. Hayward, C. Hitchen, A. Kishore, T. Martins, J. Philomen, R. Rao, C. Rickards, N. Burns, M. Copeland, C. Durand, A. Dyal, A. Ghaffar, A. Gidwani, M. Grant, C. Gribbon, A. Gruhn, M. Leer, K. Ahmad, G. Beattie, M. Beatty, G. Campbell, G. Donaldson, S. Graham, D. Holmes, S. Kanabar, H. Liu, C. McCann, R. Stewart, S. Vara, O. Ajibola-Taylor, E. J. E. Andah, C. Ani, N. M. O. Cabdi, G. Ito, M. Jones, A. Komoriyama, P. Patel, L. Titu, M. Basra, P. Gallogly, G. Harinath, S. H. Leong, A. Pradhan, I. Siddiqui, S. Zaat, A. Ali, M. Galea, W. L. Looi, J. C. K. Ng, G. Atkin, A. Azizi, Z. Cargill, Z. China, J. Elliot, R. Jebakumar, J. Lam, G. Mudalige, C. Onyerindu, M. Renju, V. Shankar Babu, M. Hussain, N. Joji, B. Lovett, H. Mownah, B. Ali, B. Cresswell, A. K. Dhillon, Y. S. Dupaguntla, C. Hungwe, J. D. Lowe-Zinola, J. C. H. Tsang, K. Bevan, C. Cardus, A. Duggal, S. Hossain, M. McHugh, M. Scott, F. Chan, R. Evans, E. Gurung, B. Haughey, B. Jacob-Ramsdale, M. Kerr, J. Lee, E. McCann, K. O’Boyle, N. Reid, F. Hayat, S. Hodgson, R. Johnston, W. Jones, M. Khan, T. Linn, S. Long, P. Seetharam, S. Shaman, B. Smart, A. Anilkumar, J. Davies, J. Griffith, B. Hughes, Y. Islam, D. Kidanu, N. Mushaini, I. Qamar, H. Robinson, M. Schramm, C. Yan Tan, H. Apperley, C. Billyard, J. M. Blazeby, S. P. Cannon, S. Carse, A. Göpfert, A. Loizidou, J. Parkin, E. Sanders, S. Sharma, G. Slade, R. Telfer, I. Whybrow Huppatz, E. Worley, L. Chandramoorthy, C. Friend, L. Harris, P. Jain, M. J. Karim, K. Killington, J. McGillicuddy, C. Rafferty, N. Rahunathan, T. Rayne, Y. Varathan, N. Verma, D. Zanichelli, M. Arneill, F. Brown, B. Campbell, L. Crozier, J. Henry, C. McCusker, P. Prabakaran, R. Wilson, U. Asif, M. Connor, S. Dindyal, N. Math, A. Pagarkar, H. Saleem, I. Seth, S. Sharma, N. Standfield, T. Swartbol, R. Adamson, J. E. Choi, O. El Tokhy, W. Ho, N. R. Javaid, M. Kelly, A. S. Mehdi, D. Menon, I. Plumptre, S. Sturrock, J. Turner, O. Warren, E. Crane, B. Ferris, C. Gadsby, J. Smallwood, M. Vipond, V. Wilson, T. Amarnath, A. Doshi, C. Gregory, K. Kandiah, B. Powell, H. Spoor, C. Toh, R. Vizor, M. Common, K. Dunleavy, S. Harris, C. Luo, Z. Mesbah, A. Prem Kumar, A. Redmond, S. Skulsky, T. Walsh, D. Daly, L. Deery, E. Epanomeritakis, M. Harty, D. Kane, K. Khan, R. Mackey, J. McConville, K. McGinnity, G. Nixon, A. Ang, J. Y. Kee, E. Leung, S. Norman, S. V. Palaniappan, P. Partha Sarathy, T. Yeoh, J. Frost, P. Hazeldine, L. Jones, M. Karbowiak, C. Macdonald, A. Mutarambirwa, A. Omotade, M. Runkel, G. Ryan, N. Sawers, C. Searle, S. Suresh, S. Vig, A. Ahmad, R. McGartland, R. Sim, A. Song, J. Wayman, R. Brown, L. H. Chang, K. Concannon, C. Crilly, T. J. Arnold, A. Burgin, F. Cadden, C. H. Choy, M. Coleman, D. Lim, J. Luk, P. Mahankali-Rao, A. J. Prudence-Taylor, D. Ramakrishnan, J. Russell, A. Fawole, J. Gohil, B. Green, A. Hussain, L. McMenamin, L. McMenamin, M. Tang, F. Azmi, S. Benchetrit, T. Cope, A. Haque, A. Harlinska, R. Holdsworth, T. Ivo, J. Martin, T. Nisar, A. Patel, K. Sasapu, J. Trevett, G. Vernet, A. Aamir, C. Bird, A. Durham-Hall, W. Gibson, J. Hartley, N. May, V. Maynard, S. Johnson, C. Mc Donald Wood, M. O’Brien, J. Orbell, T. D. Stringfellow, F. Tenters, S. Tresidder, W. Cheung, A. Grant, N. Tod, M. Bews-Hair, Z. H. Lim, S. W. Lim, M. Vella-Baldacchino, S. Auckburally, A. Chopada, S. Easdon, R. Goodson, F. McCurdie, M. Narouz, A. Radford, E. Rea, O. Taylor, T. Yu, M. Alfa-Wali, L. Amani, I. Auluck, P. Bruce, J. Emberton, R. Kumar, N. Lagzouli, A. Mehta, A. Murtaza, M. Raja, I. S. Dennahy, K. Frew, A. Given, Y. Y. He, M. A. Karim, E. MacDonald, E. McDonald, D. McVinnie, S. K. Ng, A. Pettit, D. P. Y. Sim, S. D. Berthaume-Hawkins, R. Charnley, K. Fenton, D. Jones, C. Murphy, J. Q. Ng, R. Reehal, H. Robinson, S. S. Seraj, E. Shang, A. Tonks, P. White, A. Yeo, P. Chong, R. Gabriel, N. Patel, E. Richardson, L. Symons, D. Aubrey-Jones, S. Dawood, M. Dobrzynska, S. Faulkner, H. Griffiths, F. Mahmood, P. Patel, M. Perry, A. Power, R. Simpson, A. Ali, P. Brobbey, A. Burrows, P. Elder, R. Ganyani, C. Horseman, P. Hurst, H. Mann, K. Marimuthu, S. McBride, E. Pilsworth, N. Powers, P. Stanier, R. Innes, T. Kersey, M. Kopczynska, N. Langasco, N. Patel, R. Rajagopal, B. Atkins, W. Beasley, Z. Cheng Lim, A. Gill, H. Li Ang, H. Williams, T. Yogeswara, R. Carter, M. Fam, J. Fong, J. Latter, M. Long, S. Mackinnon, C. McKenzie, J. Osmanska, V. Raghuvir, A. Shafi, K. Tsang, L. Walker, K. Bountra, O. Coldicutt, D. Fletcher, S. Hudson, S. Iqbal, T. Lopez Bernal, J. W. B. Martin, F. Moss-Lawton, J. Smallwood, A. Cardwell, K. Edgerton, J. Laws, A. Rai, K. Robinson, K. Waite, J. Ward, H. Youssef, C. Knight, P. Y. Koo, A. Lazarou, S. Stanger, C. Thorn, M. C. Triniman, A. Botha, L. Boyles, S. Cumming, S. Deepak, A. Ezzat, A. J. Fowler, A. M. Gwozdz, S. F. Hussain, S. Khan, H. Li, B. Lu Morrell, J. Neville, R. Nitiahpapand, O. Pickering, H. Sagoo, E. Sharma, K. Welsh, S. Denley, S. Khan, M. Agarwal, N. Al-Saadi, R. Bhambra, A. Gupta, Z. A. R. Jawad, L. R. Jiao, K. Khan, G. Mahir, S. Singagireson, B. L. Thoms, B. Tseu, R. Wei, N. Yang, N. Britton, D. Leinhardt, M. Mahfooz, A. Palkhi, M. Price, S. Sheikh, M. Barker, D. Bowley, M. Cant, U. Datta, M. Farooqi, A. Lee, G. Morley, M. Naushad Amin, A. Parry, S. Patel, S. Strang, N. Yoganayagam, A. Adlan, S. Chandramoorthy, Y. Choudhary, K. Das, M. Feldman, B. France, R. Grace, H. Puddy, P. Soor, M. Ali, P. Dhillon, A. Faraj, L. Gerard, M. Glover, H. Imran, S. Kim, Y. Patrick, J. Peto, A. Prabhudesai, R. Smith, A. Tang, N. Vadgama, R. Dhaliwal, T. Ecclestone, A. Harris, D. Ong, D. Patel, C. Philp, E. Stewart, L. Wang, E. Wong, Y. Xu, T. Ashaye, T. Fozard, F. Galloway, S. Kaptanis, P. Mistry, T. Nguyen, F. Olagbaiye, M. Osman, Z. Philip, R. Rembacken, S. Tayeh, K. Theodoropoulou, A. Herman, J. Lau, A. Saha, M. Trotter, O. Adeleye, D. Cave, T. Gunwa, J. Magalhães, S. Makwana, R. Mason, M. Parish, H. Regan, P. Renwick, G. Roberts, D. Salekin, C. Sivakumar, A. Tariq, I. Liew, A. McDade, D. Stewart, M. Hague, N. Hudson-Peacock, C. E. S. Jackson, F. James, J. Pitt, E. Y. Walker, R. Aftab, J. J. Ang, S. Anwar, J. Battle, E. Budd, J. Chui, H. Crook, P. Davies, S. Easby, E. Hackney, B. Ho, S. Z. Imam, J. Rammell, H. Andrews, C. Perry, P. Schinle, P. Ahmed, T. Aquilina, E. Balai, M. Church, E. Cumber, A. Curtis, G. Davies, Y. Dennis, E. Dumann, S. Greenhalgh, P. Kim, S. King, K. H. M. Metcalfe, L. Passby, N. Redgrave, Z. Soonawalla, S. Waters, A. Zornoza, I. Gulzar, J. Hole, K. Hull, H. Ishaq, J. Karaj, A. Kelkar, E. Love, S. Patel, D. Thakrar, M. Vine, A. Waterman, N. P. Dib, N. Francis, M. Hanson, R. Ingleton, K. S. Sadanand, N. Sukirthan, S. Arnell, M. Ball, N. Bassam, G. Beghal, A. Chang, V. Dawe, A. George, T. Huq, A. Hussain, B. Ikram, L. Kanapeckaite, M. Khan, D. Ramjas, A. Rushd, S. Sait, M. Serry, E. Yardimci, S. Capella, L. Chenciner, C. Episkopos, E. Karam, C. McCarthy, W. Moore-Kelly, N. Watson, V. Ahluwalia, J. Barnfield, O. Ben-Gal, I. Bloom, A. Gharatya, K. Khodatars, N. Merchant, A. Moonan, M. Moore, K. Patel, H. Spiers, K. Sundaram, J. Turner, M. F. Bath, J. Black, H. Chadwick, L. Huisman, H. Ingram, S. Khan, L. Martin, M. Metcalfe, P. Sangal, J. Seehra, A. Thatcher, S. Venturini, I. Whitcroft, Z. Afzal, S. Brown, A. Gani, A. Gomaa, N. Hussein, S. Y. Oh, N. Pazhaniappan, E. Sharkey, T. Sivagnanasithiyar, C. Williams, J. Yeung, L. Cruddas, S. Gurjar, A. Pau, R. Prakash, R. Randhawa, L. Chen, I. Eiben, M. Naylor, D. Osei-Bordom, R. Trenear, J. Bannard-Smith, N. Griffiths, B. Y. Patel, F. Saeed, H. Abdikadir, M. Bennett, R. Church, S. E. Clements, J. Court, A. Delvi, J. Hubert, B. Macdonald, F. Mansour, R. R. Patel, R. Perris, S. Small, A. Betts, N. Brown, A. Chong, C. Croitoru, A. Grey, P. Hickland, C. Ho, D. Hollington, L. McKie, A. R. Nelson, H. Stewart, P. Eiben, M. Nedham, I. Ali, T. Brown, S. Cumming, C. Hunt, C. Joyner, C. McAlinden, J. Roberts, D. Rogers, A. Thachettu, N. Tyson, R. Vaughan, N. Verma, T. Yasin, K. Andrew, N. Bhamra, S. Leong, R. Mistry, H. Noble, F. Rashed, N. R. Walker, L. Watson, M. Worsfold, E. Yarham, H. Abdikadir, A. Arshad, B. Barmayehvar, L. Cato, N. Chan-lam, V. Do, A. Leong, Z. Sheikh, T. Zheleniakova, J. Coppel, S. T. Hussain, R. Mahmood, R. Nourzaie, J. Prowle, S. Sheik-Ali, A. Thomas, A. Alagappan, R. Ashour, H. Bains, J. Diamond, J. Gordon, B. Ibrahim, M. Khalil, D. Mittapalli, Y. N. Neo, P. Patil, F. S. Peck, N. Reza, I. Swan, M. Whyte, S. Chaudhry, J. Hernon, H. Khawar, J. O’Brien, M. Pullinger, K. Rothnie, S. Ujjal, S. Bhatte, J. Curtis, S. Green, A. Mayer, G. Watkinson, K. Chapple, T. Hawthorne, M. Khaliq, L. Majkowski, T. A. M. Malik, K. Mclauchlan, B. Ng Wei En, T. O’Coenenor, S. Parton, S. D. Robinson, M. I. Saat, B. N. Shurovi, K. Varatharasasingam, A. E. Ward, K. Behranwala, M. Bertelli, J. Cohen, F. Duff, O. Fafemi, R. Gupta, M. Manimaran, J. Mayhew, D. Peprah, M. H. Y. Wong, N. Farmer, C. Houghton, N. Kandhari, K. Khan, D. Ladha, J. Mayes, F. McLennan, P. Panahi, H. Seehra, R. Agrawal, I. Ahmed, S. Ali, F. Birkinshaw, M. Choudhry, S. Gokani, S. Harrogate, S. Jamal, F. Nawrozzadeh, A. Swaray, A. Szczap, J. Warusavitarne, M. Abdalla, N. Asemota, R. Cullum, M. Hartley, C. Maxwell-Armstrong, C. Mulvenna, J. Phillips, A. Yule, L. Ahmed, K. D. Clement, N. Craig, E. Elseedawy, D. Gorman, L. Kane, J. Livie, V. Livie, E. Moss, A. Naasan, F. Ravi, P. Shields, Y. Zhu, M. Archer, H. Cobley, R. Dennis, C. Downes, B. Guevel, E. Lamptey, H. Murray, A. Radhakrishnan, S. Saravanabavan, M. Sardar, C. Shaw, V. Tilliridou, R. Wright, W. Ye, N. Alturki, R. Helliwell, E. Jones, D. Kelly, S. Lambotharan, K. Scott, R. Sivakumar, L. Victor, H. Boraluwe-Rallage, P. Froggatt, S. Haynes, Y. M. A. Hung, A. Keyte, L. Matthews, E. Evans, P. Haray, I. John, A. Mathivanan, L. Morgan, O. Oji, C. Okorocha, A. Rutherford, H. Spiers, N. Stageman, A. Tsui, R. Whitham, A. Amoah-Arko, E. Cecil, A. Dietrich, H. Fitzpatrick, C. Guy, J. Hair, J. Hilton, L. Jawad, E. McAleer, Z. Taylor, J. Yap, M. Akhbari, D. Debnath, T. Dhir, M. Elbuzidi, M. Elsaddig, S. Glace, H. Khawaja, R. Koshy, K. Lal, L. Lobo, A. McDermott, J. Meredith, M. A. Qamar, A. Vaidya, F. Acquaah, L. Barfi, N. Carter, D. Gnanappiragasam, C. Ji, F. Kaminski, S. Lawday, K. Mackay, S. K. Sulaiman, R. Webb, P. Ananthavarathan, F. Dalal, E. Farrar, R. Hashemi, M. Hossain, J. Jiang, M. Kiandee, J. Lex, L. Mason, J. H. Matthews, E. McGeorge, S. Modhwadia, T. Pinkney, A. Radotra, L. Rickard, L. Rodman, A. Sales, K. L. Tan, A. Bachi, D. S. Bajwa, J. Battle, L. R. Brown, A. Butler, A. Calciu, E. Davies, I. Gardner, T. Girdlestone, O. Ikogho, G. Keelan, P. O’Loughlin, J. Tam, J. Elias, M. Ngaage, J. Thompson, S. Bristow, E. Brock, H. Davis, M. Pantelidou, A. Sathiyakeerthy, K. Singh, A. Chaudhry, G. Dickson, P. Glen, K. Gregoriou, H. Hamid, A. Mclean, P. Mehtaji, G. Neophytou, S. Potts, D. R. Belgaid, J. Burke, J. Durno, N. Ghailan, M. Hanson, V. Henshaw, U. R. Nazir, I. Omar, B. J. Riley, J. Roberts, G. Smart, K. Van Winsen, A. Bhatti, M. Chan, M. D’Auria, S. Green, C. Keshvala, H. Li, C. Maxwell-Armstrong, M. Michaelidou, L. Simmonds, C. Smith, A. Wimalathasan, J. Abbas, C. Cairns, Y. R. Chin, A. Connelly, S. Moug, A. Nair, D. Svolkinas, P. Coe, D. Subar, H. Wang, V. Zaver, J. Brayley, P. Cookson, L. Cunningham, A. Gaukroger, M. Ho, A. Hough, J. King, D. O’Hagan, A. Widdison, R. Brown, B. Brown, A. Chavan, S. Francis, L. Hare, J. Lund, N. Malone, B. Mavi, A. McIlwaine, S. Rangarajan, N. Abuhussein, H. S. Campbell, J. Daniels, I. Fitzgerald, S. Mansfield, A. Pendrill, D. Robertson, Y. W. Smart, T. Teng, J. Yates, A. Belgaumkar, A. Katira, J. Kossoff, S. Kukran, C. Laing, B. Mathew, T. Mohamed, S. Myers, R. Novell, B. L. Phillips, M. Thomas, T. Turlejski, S. Turner, M. Varcada, L. Warren, W. Wynell-Mayow, R. Church, L. Linley-Adams, G. Osborn, M. Saunders, R. Spencer, M. Srikanthan, S. Tailor, A. Tullett, M. Ali, S. Al-Masri, G. Carr, O. Ebhogiaye, S. Heng, S. Manivannan, J. Manley, L. E. McMillan, C. Peat, B. Phillips, S. Thomas, H. Whewell, G. Williams, A. Bienias, E. A. Cope, G. R. Courquin, L. Day, C. Garner, A. Gimson, C. Harris, K. Markham, T. Moore, T. Nadin, C. Phillips, S. M. Subratty, K. Brown, J. Dada, M. Durbacz, T. Filipescu, E. Harrison, E. D. Kennedy, E. Khoo, D. Kremel, I. Lyell, S. Pronin, R. Tummon, C. Ventre, L. Walls, E. Wootton, A. Akhtar, E. Davies, D. El-Sawy, M. Farooq, M. Gaddah, H. Griffiths, I. Katsaiti, N. Khadem, K. Leong, I. Williams, C. S. Chean, D. Chudek, H. Desai, N. Ellerby, A. Hammad, S. Malla, B. Murphy, O. Oshin, P. Popova, S. Rana, T. Ward, T. E. F. Abbott, O. Akpenyi, F. Edozie, R. El Matary, W. English, S. Jeyabaladevan, C. Morgan, V. Naidu, K. Nicholls, S. Peroos, J. Prowle, S. Sansome, H. D. Torrance, D. Townsend, J. Brecher, H. Fung, Z. Kazmi, P. Outlaw, K. Pursnani, N. Ramanujam, A. Razaq, M. Sattar, S. Sukumar, T. S. E. Tan, K. Chohan, S. Dhuna, T. Haq, S. Kirby, J. Lacy-Colson, P. Logan, Q. Malik, J. McCann, Z. Mughal, S. 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Jonathan Bourgon Labelle, Paul Farand, Christian Vincelette, Myriam Dumont, Mathilde Le Blanc, Christian M. Rochefort

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Tavis Hayes, Natasha Hudek, Ian D. Graham, Doug Coyle, Jamie C. Brehaut

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Telephone versus web panel National Survey for monitoring adoption of preventive behaviors to climate change in populations: a case study of Lyme disease in Québec, Canada

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Open Access Correction

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Michiel S. Oerbekke, Kevin Jenniskens, Rob J. P. M. Scholten, Lotty Hooft

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L. W. Gustafson, P. Gabel, A. Hammer, H. H. Lauridsen, L. K. Petersen, B. Andersen, P. Bor, M. B. Larsen

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Open Access Research article

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Maha Alsefri, Maria Sudell, Marta García-Fiñana, Ruwanthi Kolamunnage-Dona

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Tao Jiang, Baixin Cao, Guogen Shan

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Open Access COVID-19 Research article

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Open Access Study protocol

Patient information, communication and competence empowerment in oncology (PIKKO) – evaluation of a supportive care intervention for overall oncological patients. Study protocol of a non-randomized controlled trial

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Open Access Research article

Application of the critical incident technique in refining a realist initial programme theory

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Open Access Research article

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Open Access Debate

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Open Access Technical advance

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Open Access Technical advance

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Open Access Research article

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Open Access COVID-19 Research article

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Open Access Technical advance

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Open Access Research article

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Open Access Debate

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Open Access Technical advance

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Open Access Research article

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Open Access Research article

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Open Access Research article

Recruiting a representative sample of urban South Australian Aboriginal adults for a survey on alcohol consumption

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Open Access Research article

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Open Access Research article

The statistical importance of a study for a network meta-analysis estimate

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Open Access Research article

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Open Access Research article

WHO Trial Registration Data Set (TRDS) extension for traditional Chinese medicine 2020: recommendations, explanation, and elaboration

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Open Access Research article

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Open Access Technical advance

A novel method for controlling unobserved confounding using double confounders

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Open Access Research article

Linkage of the CHHiP randomised controlled trial with primary care data: a study investigating ways of supplementing cancer trials and improving evidence-based practice

Agnieszka Lemanska, Rachel C. Byford, Clare Cruickshank, David P. Dearnaley, Filipa Ferreira, Clare Griffin, Emma Hall, William Hinton, Simon de Lusignan, Julian Sherlock, Sara Faithfull

Open Access Research article

The influence of social media on recruitment to surgical trials

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Open Access Research article

Measuring psychological safety in healthcare teams: developing an observational measure to complement survey methods

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Open Access COVID-19 Research article

Joint analysis of duration of ventilation, length of intensive care, and mortality of COVID-19 patients: a multistate approach

Derek Hazard, Klaus Kaier, Maja von Cube, Marlon Grodd, Lars Bugiera, Jerome Lambert, Martin Wolkewitz

Open Access Research article

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Open Access COVID-19 Research article

A four-step strategy for handling missing outcome data in randomised trials affected by a pandemic

Suzie Cro, Tim P. Morris, Brennan C. Kahan, Victoria R. Cornelius, James R. Carpenter

Open Access COVID-19 Research article

Disease progression of cancer patients during COVID-19 pandemic: a comprehensive analytical strategy by time-dependent modelling

Atanu Bhattacharjee, Gajendra K. Vishwakarma, Souvik Banerjee, Sharvari Shukla

Open Access Research article

Comparison of up-front cash cards and checks as incentives for participation in a clinician survey: a study within a trial

Lydia E. Pace, Yeonsoo S. Lee, Nadine Tung, Jada G. Hamilton, Camila Gabriel, Sahitya C. Raja, Colby Jenkins, Anthony Braswell, Susan M. Domchek, Heather Symecko, Kelsey Spielman, Beth Y. Karlan, Jenny Lester, Daniella Kamara, Jeffrey Levin, Kelly Morgan, Kenneth Offit, Judy Garber, Nancy L. Keating

Open Access Research article

Two-stage Bayesian hierarchical modeling for blinded and unblinded safety monitoring in randomized clinical trials

Junhao Liu, Jo Wick, Renee’ H. Martin, Caitlyn Meinzer, Dooti Roy, Byron Gajewski

Open Access Research article

International severe asthma registry (ISAR): protocol for a global registry

J. Mark FitzGerald, Trung N. Tran, Marianna Alacqua, Alan Altraja, Vibeke Backer, Leif Bjermer, Unnur Bjornsdottir, Arnaud Bourdin, Guy Brusselle, Lakmini Bulathsinhala, John Busby, Giorgio W. Canonica, Victoria Carter, Isha Chaudhry, You Sook Cho, George Christoff, Borja G. Cosio, Richard W. Costello, Neva Eleangovan, Peter G. Gibson, Liam G. Heaney, Enrico Heffler, Mark Hew, Naeimeh Hosseini, Takashi Iwanaga, David J. Jackson, Rupert Jones, Mariko S. Koh, Thao Le, Lauri Lehtimäki, Dora Ludviksdottir, Anke H. Maitland-van der Zee, Andrew Menzies-Gow, Ruth B. Murray, Nikolaos G. Papadopoulos, Luis Perez-de-Llano, Matthew Peters, Paul E. Pfeffer, Todor A. Popov, Celeste M. Porsbjerg, Chris A. Price, Chin K. Rhee, Mohsen Sadatsafavi, Yuji Tohda, Eileen Wang, Michael E. Wechsler, James Zangrilli, David B. Price

Open Access Research article

Protocol registration issues of systematic review and meta-analysis studies: a survey of global researchers

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Open Access Research article

Measuring clinical uncertainty and equipoise by applying the agreement study methodology to patient management decisions

Robert Fahed, Tim E. Darsaut, Behzad Farzin, Miguel Chagnon, Jean Raymond

Open Access COVID-19 Research article

Rapid establishment of a COVID-19 perinatal biorepository: early lessons from the first 100 women enrolled

Lydia L. Shook, Jessica E. Shui, Adeline A. Boatin, Samantha Devane, Natalie Croul, Lael M. Yonker, Juan D. Matute, Rosiane S. Lima, Muriel Schwinn, Dana Cvrk, Laurel Gardner, Robin Azevedo, Suzanne Stanton, Evan A. Bordt, Laura J. Yockey, Alessio Fasano, Jonathan Z. Li, Xu G. Yu, Anjali J. Kaimal, Paul H. Lerou, Andrea G. Edlow

Open Access Technical advance

A specific method for qualitative medical research: the IPSE (Inductive Process to analyze the Structure of lived Experience) approach

Jordan Sibeoni, Laurence Verneuil, Emilie Manolios, Anne Révah-Levy

Open Access Research article

Searching for Programme theories for a realist evaluation: a case study comparing an academic database search and a simple Google search

Susanne Coleman, Judy M. Wright, Jane Nixon, Lisette Schoonhoven, Maureen Twiddy, Joanne Greenhalgh

Open Access Technical advance

Dynamic RMST curves for survival analysis in clinical trials

Jason J. Z. Liao, G. Frank Liu, Wen-Chi Wu

Open Access Technical advance

Inference about time-dependent prognostic accuracy measures in the presence of competing risks

Rajib Dey, Giada Sebastiani, Paramita Saha-Chaudhuri

Open Access COVID-19 Research article

Statistical design of Phase II/III clinical trials for testing therapeutic interventions in COVID-19 patients

Shesh N. Rai, Chen Qian, Jianmin Pan, Anand Seth, Deo Kumar Srivastava, Aruni Bhatnagar

Open Access Research article

Group penalized generalized estimating equation for correlated event-related potentials and biomarker selection

Ye Lin, Jianhui Zhou, Swapna Kumar, Wanze Xie, Sarah K. G. Jensen, Rashidul Haque, Charles A. Nelson, William A. Petri Jr, Jennie Z. Ma

Open Access Technical advance

Ensuring protocol compliance and data transparency in clinical trials using Blockchain smart contracts

Ilhaam A. Omar, Raja Jayaraman, Khaled Salah, Mecit Can Emre Simsekler, Ibrar Yaqoob, Samer Ellahham

Open Access Research article

Suitability of administrative claims databases for bariatric surgery research – is the glass half-full or half-empty?

Xiaojuan Li, Kristina H. Lewis, Katherine Callaway, J. Frank Wharam, Sengwee Toh

Open Access Commentary

A tutorial on methodological studies: the what, when, how and why

Lawrence Mbuagbaw, Daeria O. Lawson, Livia Puljak, David B. Allison, Lehana Thabane

Open Access Correction

Correction to: Two-stage Bayesian hierarchical modeling for blinded and unblinded safety monitoring in randomized clinical trials

Junhao Liu, Jo Wick, Renee’ H. Martin, Caitlyn Meinzer, Dooti Roy, Byron Gajewski

Open Access COVID-19 Research article

Establishment of a pediatric COVID-19 biorepository: unique considerations and opportunities for studying the impact of the COVID-19 pandemic on children

Rosiane Lima, Elizabeth F. Gootkind, Denis De la Flor, Laura J. Yockey, Evan A. Bordt, Paolo D’Avino, Shen Ning, Katerina Heath, Katherine Harding, Jaclyn Zois, Grace Park, Margot Hardcastle, Kathleen A. Grinke, Sheila Grimmel, Susan P. Davidson, Pamela J. Forde, Kathryn E. Hall, Anne M. Neilan, Juan D. Matute, Paul H. Lerou, Alessio Fasano, Jessica E. Shui, Andrea G. Edlow, Lael M. Yonker

Open Access Research article

Evaluation of the reporting quality of observational studies in master of public health dissertations in China

Shuangyang Dai, Xiaobin Zhou, Hong Xu, Beibei Li, Jingao Zhang

Open Access Research article

Recruitment of adolescents with suicidal ideation in the emergency department: lessons from a randomized controlled pilot trial of a youth suicide prevention intervention

Matthew Tracey, Yaron Finkelstein, Reva Schachter, Kristin Cleverley, Suneeta Monga, Melanie Barwick, Peter Szatmari, Myla E. Moretti, Andrew Willan, Joanna Henderson, Daphne J. Korczak

Open Access Research article

Social network analysis methods for exploring SARS-CoV-2 contact tracing data

Karikalan Nagarajan, Malaisamy Muniyandi, Bharathidasan Palani, Senthil Sellappan

Open Access Technical advance

Estimating the number of usability problems affecting medical devices: modelling the discovery matrix

Vincent Vandewalle, Alexandre Caron, Coralie Delettrez, Renaud Périchon, Sylvia Pelayo, Alain Duhamel, Benoit Dervaux

Open Access Technical advance

Semiparametric estimation of the attributable fraction when there are interactions under monotonicity constraints

Wei Wang, Dylan S. Small, Michael O. Harhay

Open Access Technical advance

Assessing risk of bias: a proposal for a unified framework for observational studies and randomized trials

Hendrika J. Luijendijk, Matthew J. Page, Huibert Burger, Xander Koolman

Open Access Technical advance

Integrating trials into a whole-population cohort of children and parents: statement of intent (trials) for the Generation Victoria (GenV) cohort

Melissa Wake, Yanhong Jessika Hu, Hayley Warren, Margie Danchin, Michael Fahey, Francesca Orsini, Maurizio Pacilli, Kirsten P. Perrett, Richard Saffery, Andrew Davidson

Open Access Research article

Contrasting cumulative risk and multiple individual risk models of the relationship between Adverse Childhood Experiences (ACEs) and adult health outcomes

Marianna D. LaNoue, Brandon J. George, Deborah L. Helitzer, Scott W. Keith

Open Access Research article

Adequacy of risk of bias assessment in surgical vs non-surgical trials in Cochrane reviews: a methodological study

Ognjen Barcot, Matija Boric, Svjetlana Dosenovic, Marija Cavar, Antonia Jelicic Kadic, Tina Poklepovic Pericic, Ivana Vukicevic, Ivana Vuka, Livia Puljak

Open Access Research article

Advancing methodology for scoping reviews: recommendations arising from a scoping literature review (SLR) to inform transformation of Children and Adolescent Mental Health Services

Joanna K. Anderson, Emma Howarth, Maris Vainre, Ayla Humphrey, Peter B. Jones, Tamsin J. Ford

Open Access Research article

SARFIMA model prediction for infectious diseases: application to hemorrhagic fever with renal syndrome and comparing with SARIMA

Chang Qi, Dandan Zhang, Yuchen Zhu, Lili Liu, Chunyu Li, Zhiqiang Wang, Xiujun Li

Open Access Research article

Impact of investigator initiated trials and industry sponsored trials on medical practice (IMPACT): rationale and study design

E. Nury, K. Bischoff, K. Wollmann, K. Nitschke, S. Lohner, M. Schumacher, G. Rücker, A. Blümle

Open Access Research article

Identifying the fundamental structures and processes of care contributing to emergency general surgery quality using a mixed-methods Donabedian approach

Heena P. Santry, Scott A. Strassels, Angela M. Ingraham, Wendelyn M. Oslock, Kevin B. Ricci, Anghela Z. Paredes, Victor K. Heh, Holly E. Baselice, Amy P. Rushing, Adrian Diaz, Vijaya T. Daniel, M. Didem Ayturk, Catarina I. Kiefe

Open Access COVID-19 Technical advance

Alternative graphical displays for the monitoring of epidemic outbreaks, with application to COVID-19 mortality

Thomas Perneger, Antoine Kevorkian, Thierry Grenet, Hubert Gallée, Angèle Gayet-Ageron

Open Access Research article

Recruiting men from across the socioeconomic spectrum via GP registers and community outreach to a weight management feasibility randomised controlled trial

Matthew D. McDonald, Stephan U. Dombrowski, Rebecca Skinner, Eileen Calveley, Paula Carroll, Andrew Elders, Cindy M. Gray, Mark Grindle, Fiona M. Harris, Claire Jones, Pat Hoddinott, Alison Avenell, Frank Kee, Michelle McKinley, Martin Tod, Marjon van der Pol

Open Access Research article

A Bayesian natural cubic B-spline varying coefficient method for non-ignorable dropout

Camille M. Moore, Samantha MaWhinney, Nichole E. Carlson, Sarah Kreidler

Open Access Research article

Going web or staying paper? The use of web-surveys among older people

Susanne Kelfve, Marie Kivi, Boo Johansson, Magnus Lindwall

Open Access Research article

Optimal designs for phase II/III drug development programs including methods for discounting of phase II results

Stella Erdmann, Marietta Kirchner, Heiko Götte, Meinhard Kieser

Open Access Research article

Confirmatory factor analysis of the Evidence-Based Practice Attitude Scale (EBPAS) in a large and representative Swedish sample: is the use of the total scale and subscale scores justified?

Anna Helena Elisabeth Santesson, Martin Bäckström, Robert Holmberg, Sean Perrin, Håkan Jarbin

Open Access Research article

Comparing two methods for deriving dietary patterns associated with risk of metabolic syndrome among middle-aged and elderly Taiwanese adults with impaired kidney function

Adi Lukas Kurniawan, Chien-Yeh Hsu, Hsiu-An Lee, Hsiao-Hsien Rau, Rathi Paramastri, Ahmad Syauqy, Jane C.-J. Chao

Open Access Research article

An evaluation of DistillerSR’s machine learning-based prioritization tool for title/abstract screening – impact on reviewer-relevant outcomes

C. Hamel, S. E. Kelly, K. Thavorn, D. B. Rice, G. A. Wells, B. Hutton

Open Access Research article

An R package for an integrated evaluation of statistical approaches to cancer incidence projection

Maximilian Knoll, Jennifer Furkel, Jürgen Debus, Amir Abdollahi, André Karch, Christian Stock

Open Access Research article

Development, testing and use of data extraction forms in systematic reviews: a review of methodological guidance

Roland Brian Büchter, Alina Weise, Dawid Pieper

Open Access Research article

Identifying competing interest disclosures in systematic reviews of surgical interventions and devices: a cross-sectional survey

Jiajie Yu, Guanyue Su, Allison Hirst, Zhengyue Yang, You Zhang, Youping Li

Open Access Research article

Bayesian splines versus fractional polynomials in network meta-analysis

Andreas Heinecke, Marta Tallarita, Maria De Iorio

Open Access Research article

Machine learning techniques for mortality prediction in critical traumatic patients: anatomic and physiologic variables from the RETRAUCI study

Luis Serviá, Neus Montserrat, Mariona Badia, Juan Antonio Llompart-Pou, Jesús Abelardo Barea-Mendoza, Mario Chico-Fernández, Marcelino Sánchez-Casado, José Manuel Jiménez, Dolores María Mayor, Javier Trujillano

Open Access Research article

Estimation in meta-analyses of response ratios

Ilyas Bakbergenuly, David C. Hoaglin, Elena Kulinskaya

Open Access Research article

Predictive approaches to heterogeneous treatment effects: a scoping review

Alexandros Rekkas, Jessica K. Paulus, Gowri Raman, John B. Wong, Ewout W. Steyerberg, Peter R. Rijnbeek, David M. Kent, David van Klaveren

Open Access COVID-19 Correction

Correction to: Alternative graphical displays for the monitoring of epidemic outbreaks, with application to COVID-19 mortality

Thomas Perneger, Antoine Kevorkian, Thierry Grenet, Hubert Gallée, Angèle Gayet-Ageron

Open Access Technical advance

Spie charts for quantifying treatment effectiveness and safety in multiple outcome network meta-analysis: a proof-of-concept study

Caitlin H. Daly, Lawrence Mbuagbaw, Lehana Thabane, Sharon E. Straus, Jemila S. Hamid

Open Access Research article

Accuracy of reporting of Aboriginality on administrative health data collections using linked data in NSW, Australia

Michael A. Nelson, Kim Lim, Jason Boyd, Damien Cordery, Allan Went, David Meharg, Lisa Jackson-Pulver, Scott Winch, Lee K. Taylor

Open Access Technical advance

Correcting inaccurate background mortality in excess hazard models through breakpoints

Robert Darlin Mba, Juste Aristide Goungounga, Nathalie Grafféo, Roch Giorgi

Open Access Technical advance

A non-linear optimisation method to extract summary statistics from Kaplan-Meier survival plots using the published P value

Andrew F. Irvine, Sara Waise, Edward W. Green, Beth Stuart

Open Access Research article

Pharmacist and patient perspectives on recruitment strategies for randomized controlled trials: a qualitative analysis

Jane M. Fletcher, Terry Saunders-Smith, Braden J. Manns, Ross Tsuyuki, Brenda R. Hemmelgarn, Marcello Tonelli, David J. T. Campbell

Open Access Research article

A structured collaborative approach to intervention design using a modified intervention mapping approach: a case study using the Management and Interventions for Asthma (MIA) project for South Asian children

Monica Lakhanpaul, Lorraine Culley, Noelle Robertson, Emma C. Alexander, Deborah Bird, Nicky Hudson, Narynder Johal, Melanie McFeeters, Charlotte Hamlyn-Williams, Logan Manikam, Yebeen Ysabelle Boo, Maya Lakhanpaul, Mark R. D. Johnson

Open Access Research article

Recruitment and retention of participants from socioeconomically deprived communities: lessons from the Awareness and Beliefs About Cancer (ABACus3) Randomised Controlled Trial

Vasiliki Kolovou, Yvonne Moriarty, Stephanie Gilbert, Harriet Quinn-Scoggins, Julia Townson, Louise Padgett, Sioned Owen, Peter Buckle, Adrian Edwards, Julie Hepburn, Mandy Lau, Maura Matthews, Caroline Mitchell, Richard Neal, Rebecca Playle, Mike Robling, Stephanie Smits, Rob Trubey, Fiona Wood, Kate Brain

Open Access Research article

Interdisciplinary development of a standardized introduction to gene drives for lay audiences

Cynthia E. Schairer, Cynthia Triplett, Anna Buchman, Omar S. Akbari, Cinnamon S. Bloss

Open Access Research article

Optimality criteria for futility stopping boundaries for group sequential designs with a continuous endpoint

Xieran Li, Carolin Herrmann, Geraldine Rauch

Open Access Research article

Variance constraints strongly influenced model performance in growth mixture modeling: a simulation and empirical study

Jitske J. Sijbrandij, Tialda Hoekstra, Josué Almansa, Margot Peeters, Ute Bültmann, Sijmen A. Reijneveld

Open Access Research article

Survival prediction models since liver transplantation - comparisons between Cox models and machine learning techniques

Georgios Kantidakis, Hein Putter, Carlo Lancia, Jacob de Boer, Andries E. Braat, Marta Fiocco

Open Access Research article

Common sampling and modeling approaches to analyzing readmission risk that ignore clustering produce misleading results

Huaqing Zhao, Samuel Tanner, Sherita H. Golden, Susan G. Fisher, Daniel J. Rubin

Open Access Research article

Combining the theory of change and realist evaluation approaches to elicit an initial program theory of the MomConnect program in South Africa

Eveline M Kabongo, Ferdinand C. Mukumbang, Peter Delobelle, Edward Nicol

Open Access Research article

Using Trial Sequential Analysis for estimating the sample sizes of further trials: example using smoking cessation intervention

Ravinder Claire, Christian Gluud, Ivan Berlin, Tim Coleman, Jo Leonardi-Bee

Open Access Retraction Note

Retraction Note: Psychometric properties of a short version of the Job Anxiety Scale

Bjarne Schmalbach, Andreas Kalkbrenner, Markus Bassler, Andreas Hinz, Katja Petrowski

Open Access Database

Epistemonikos: a comprehensive database of systematic reviews for health decision-making

Gabriel Rada, Daniel Pérez, Felipe Araya-Quintanilla, Camila Ávila, Gonzalo Bravo-Soto, Rocío Bravo-Jeria, Aldo Cánepa, Daniel Capurro, Victoria Castro-Gutiérrez, Valeria Contreras, Javiera Edwards, Jorge Faúndez, Damián Garrido, Magdalena Jiménez, Valentina Llovet, Diego Lobos, Francisco Madrid, Macarena Morel-Marambio, Antonia Mendoza, Ignacio Neumann, Luis Ortiz-Muñoz, José Peña, Marcelo Pérez, Franco Pesce, Carmen Rain, Solange Rivera, Javiera Sepúlveda, Mauricio Soto, Felipe Valverde, Juan Vásquez, Francisca Verdugo-Paiva, Camilo Vergara, Cynthia Zavala, Ricardo Zilleruelo-Ramos

Open Access Research article

Improving the use of focus group discussions in low income settings

Pauline F. D. Scheelbeek, Yashua A. Hamza, Joanna Schellenberg, Zelee Hill

Open Access Research article

Statistical methods for the analysis of adverse event data in randomised controlled trials: a scoping review and taxonomy

Rachel Phillips, Odile Sauzet, Victoria Cornelius

Open Access Research article

Patient involvement to inform the design of a clinical trial in postbariatric hypoglycaemia

Matthias Hepprich, Marc Y. Donath, Lars G. Hemkens

Open Access Research article

Diversity in substance use behaviour among street children of Delhi under Bayesian paradigm

Vivek Verma, Ashwani Kumar Mishra, Anju Dhawan, Dilip C. Nath

Open Access Research article

COSMIN Risk of Bias tool to assess the quality of studies on reliability or measurement error of outcome measurement instruments: a Delphi study

L. B. Mokkink, M. Boers, C. P. M. van der Vleuten, L. M. Bouter, J. Alonso, D. L. Patrick, H. C. W. de Vet, C. B. Terwee

Open Access Research article

Joint modelling of longitudinal lipids and time to coronary heart disease in the Jackson Heart Study

Wondwosen Kassahun-Yimer, Karen A. Valle, Adebamike A. Oshunbade, Michael E. Hall, Yuan-I. Min, Loretta Cain-Shields, Pramod Anugu, Adolfo Correa

Open Access Research article

Overlapping-sample Mendelian randomisation with multiple exposures: a Bayesian approach

Linyi Zou, Hui Guo, Carlo Berzuini

Open Access Research article

Handling coarsened age information in the analysis of emergency department presentations

Rhonda J. Rosychuk, Jeff W.N. Bachman, Anqi Chen, X. Joan Hu

Open Access Technical advance

Integrating expert opinions with clinical trial data to analyse low-powered subgroup analyses: a Bayesian analysis of the VeRDiCT trial

Russell Thirard, Raimondo Ascione, Jane M. Blazeby, Chris A. Rogers

Open Access Research article

Variable selection in social-environmental data: sparse regression and tree ensemble machine learning approaches

Elizabeth Handorf, Yinuo Yin, Michael Slifker, Shannon Lynch

Open Access Research article

Linkage of primary care prescribing records and pharmacy dispensing Records in the Salford Lung Study: application in asthma

Holly Tibble, James Lay-Flurrie, Aziz Sheikh, Rob Horne, Mehrdad A. Mizani, Athanasios Tsanas

Open Access Technical advance

On Jones et al.’s method for extending Bland-Altman plots to limits of agreement with the mean for multiple observers

Heidi S. Christensen, Jens Borgbjerg, Lars Børty, Martin Bøgsted

Open Access COVID-19 Research article

Use of out-of-hospital cardiac arrest registries to assess COVID-19 home mortality

Hervé Hubert, Valentine Baert, Jean-Baptiste Beuscart, Emmanuel Chazard

Open Access Research article

Psychometric properties of an English short version of the Trier Inventory for chronic Stress

K. Petrowski, E. Braehler, B. Schmalbach, A. Hinz, C. Bastianon, T. Ritz

Open Access Research article

Long-term effects of asthma medication on asthma symptoms: an application of the targeted maximum likelihood estimation

Carolin Veit, Ronald Herrera, Gudrun Weinmayr, Jon Genuneit, Doris Windstetter, Christian Vogelberg, Erika von Mutius, Dennis Nowak, Katja Radon, Jessica Gerlich, Tobias Weinmann