Research
Adherence
Higher frequency of website utilization is associated with greater weight loss in web-based interventions.
To maximize weight loss, use the web-based tool as frequently as possible, aiming for at least 3 logins per week. Higher engagement leads to significantly better results.
GoodSupportsHIGH confidence
High rates of participant retention (84%) and website utilization were observed, with the greatest weight loss found among those with a high frequency of website logins (quartile 4 vs. 1: −4.16 kg; 95% CI −1.47, −6.84).
Why this rating
Subgroup analysis within an RCT.
Source
Web‐based Weight Loss in Primary Care: A Randomized Controlled Trial
Gary G. Bennett et al. · Obesity · 2009
DOI 10.1038/oby.2009.242
rct · n=101Cited 213×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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