Research
Energy balance
Underestimation of self-reported weights increased significantly from 6 months (mean -0.5 kg) to 24 months (mean -1.1 kg; P=.002).
Practitioners should be aware that self-reported weights may become less accurate over time.
StrongSupportsmedium confidence
Underestimation of self-reported weights increased significantly from 6 months (mean -0.5 kg, SD 1.0 kg) to 24 months (mean -1.1 kg, SD 2.0 kg; P=.002).
Why this rating
Based on a randomized trial design.
Source
Longitudinal Accuracy of Web-Based Self-Reported Weights: Results From the Hopkins POWER Trial
Gerald J. Jerome et al. · Journal of Medical Internet Research · 2014
DOI 10.2196/jmir.3332
rct · n=277Cited 23×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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