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01.12.2014 | Research article | Ausgabe 1/2014 Open Access

BMC Cardiovascular Disorders 1/2014

Self-reported recall and daily diary-recorded measures of weight monitoring adherence: associations with heart failure-related hospitalization

Zeitschrift:
BMC Cardiovascular Disorders > Ausgabe 1/2014
Autoren:
Christine D Jones, George M Holmes, Darren A DeWalt, Brian Erman, Jia-Rong Wu, Crystal W Cene, David W Baker, Dean Schillinger, Bernice Ruo, Kirsten Bibbins-Domingo, Aurelia Macabasco-O’Connell, Victoria Hawk, Kimberly Broucksou, Michael Pignone
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1471-2261-14-12) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

CDJ conceived of the study, participated in design of study and drafted the manuscript; GMH participated in the design of the study and performed the statistical analysis; DAD conceived of the study, participated in design of study, acquisition of data, and provided key revisions to manuscript; BE participated in the design of the study and participated in performing statistical analyses; JRW participated in the design of the study and provided key revisions to the manuscript; CWC participated in the design of the study and provided key revisions to the manuscript; DWB participated in the design of the study, acquisition of data, and provided key revisions to the manuscript; DS participated in the design of the study, acquisition of data, and provided key revisions to the manuscript; BR participated in acquisition of data, and provided key revisions to the manuscript; KBR participated in acquisition of data and provided key revisions to the manuscript; AMO participated in the acquisition of data and provided key revisions to the manuscript; VH participated in the design of the study and acquisition of data; KB participated in the design of the study and acquisition of data; MP conceived of the study, participated in design of study, acquisition of data, and provided key revisions to manuscript. All authors read and approved the final manuscript.

Abstract

Background

Weight monitoring is an important element of HF self-care, yet the most clinically meaningful way to evaluate weight monitoring adherence is uncertain. We conducted this study to evaluate the association of (1) self-reported recall and (2) daily diary-recorded weight monitoring adherence with heart failure-related (HF-related) hospitalization.

Methods

We conducted a prospective cohort study among 216 patients within a randomized trial of HF self-care training. All patients had an initial self-care training session followed by 15 calls (median) to reinforce educational material; patients were also given digital scales, instructed to weigh daily, record weights in a diary, and mail diaries back monthly. Weight monitoring adherence was assessed with a self-reported recall question administered at 12 months and dichotomized into at least daily versus less frequent weighing. Diary-recorded weight monitoring was evaluated over 12 months and dichotomized into ≥80% and <80% adherence. HF-related hospitalizations were ascertained through patient report and confirmed through record review.

Results

Over 12 months in 216 patients, we identified 50 HF-related hospitalizations. Patients self-reporting daily or more frequent weight monitoring had an incidence rate ratio of 1.34 (95% CI 0.24-7.32) for HF-related hospitalizations compared to those reporting less frequent weight monitoring. Patients who completed ≥80% of weight diaries had an IRR of 0.37 (95% CI 0.18-0.75) for HF-related hospitalizations compared to patients who completed <80% of weight diaries.

Conclusions

Self-reported recall of weight monitoring adherence was not associated with fewer HF hospitalizations. In contrast, diary-recorded adherence ≥80% of days was associated with fewer HF-related hospitalizations. Incorporating diary-based measures of weight monitoring adherence into HF self-care training programs may help to identify patients at risk for HF-related hospitalizations.
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