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01.12.2016 | Methodology | Ausgabe 1/2016 Open Access

Trials 1/2016

Evaluation of alternative school feeding models on nutrition, education, agriculture and other social outcomes in Ghana: rationale, randomised design and baseline data

Zeitschrift:
Trials > Ausgabe 1/2016
Autoren:
Aulo Gelli, Edoardo Masset, Gloria Folson, Anthoni Kusi, Daniel K. Arhinful, Felix Asante, Irene Ayi, Kwabena M. Bosompem, Kristie Watkins, Lutuf Abdul-Rahman, Rosanna Agble, Getrude Ananse-Baden, Daniel Mumuni, Elisabetta Aurino, Meena Fernandes, Lesley Drake
Wichtige Hinweise

Competing interests

The study was funded by the Partnership for Child Development through grants from the Bill & Melinda Gates Foundation and Dubai Cares.

Authors’ contributions

Conceived and designed the study: AG and EM. Contributed to the pilot design: AG, GF, LAR, RA and DM. Contributed to the survey tools: AG, EM, KW and GF. Performed the data collection: GF, KW, AK, DKA, IA, KMB, FA, LAR and GAB. Analysed the data: AK, AG, GF, MF and EA. Wrote the first draft of the manuscript: AG, EM and GF. Contributed to the writing of the manuscript: AK, DKA, IA, KMB, FA, EA, LD, LAR, RA, GAB and DM. ICMJE criteria for authorship read and met: AG, EM, GF, AK, DKA, IA, KMB, KW, FA, EA, MF, LD, LAR, RA, GAB and DM. Agreed with manuscript results and conclusions: AG, EM, GF, AK, DKA, IA, KMB, FA, EA, MF, LD, LAR, RA, GAB and DM. All authors read and approved the final manuscript.

Abstract

Background

‘Home-grown’ school feeding programmes are complex interventions with the potential to link the increased demand for school feeding goods and services to community-based stakeholders, including smallholder farmers and women’s groups. There is limited rigorous evidence, however, that this is the case in practice. This evaluation will examine explicitly, and from a holistic perspective, the simultaneous impact of a national school meals programme on micronutrient status, alongside outcomes in nutrition, education and agriculture domains.
The 3-year study involves a cluster-randomised control trial designed around the scale-up of the national school feeding programme, including 116 primary schools in 58 districts in Ghana. The randomly assigned interventions are: 1) a school feeding programme group, including schools and communities where the standard government programme is implemented; 2) ‘home-grown’ school feeding, including schools and communities where the standard programme is implemented alongside an innovative pilot project aimed at enhancing nutrition and agriculture; and 3) a control group, including schools and households from communities where the intervention will be delayed by at least 3 years, preferably without informing schools and households. Primary outcomes include child health and nutritional status, school participation and learning, and smallholder farmer income. Intermediate outcomes along the agriculture and nutrition pathways will also be measured. The evaluation will follow a mixed-method approach, including child-, household-, school- and community-level surveys as well as focus group discussions with project stakeholders. The baseline survey was completed in August 2013 and the endline survey is planned for November 2015.

Results

The tests of balance show significant differences in the means of a number of outcome and control variables across the intervention groups. Important differences across groups include marketed surplus, livestock income, per capita food consumption and intake, school attendance, and anthropometric status in the 2–5 and 5–15 years age groups. In addition, approximately 19 % of children in the target age group received some form of free school meals at baseline.

Conclusion

Designing and implementing the evaluation of complex interventions is in itself a complex undertaking, involving a multi-disciplinary research team working in close collaboration with programme- and policy-level stakeholders. Managing the complexity from an analytical and operational perspective is an important challenge. The analysis of the baseline data indicates that the random allocation process did not achieve statistically comparable treatment groups. Differences in outcomes and control variables across groups will be controlled for when estimating treatment effects.

Trial registration number

ISRCTN66918874 (registered on 5 March 2015).
Literatur
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