Research
Adherence
Holidays trigger a significant decrease in dietary adherence, followed by a partial rebound, requiring amplified intervention during these periods.
Expect your adherence to drop during holidays. This is a common challenge, so plan for it and focus on getting back on track as soon as possible.
GoodSupportsHIGH confidence
Holidays triggered significant decreases in adherence, followed by a partial rebound. For example, overall mean adherence dropped from 76% at month 3 to 69% at month 4 (a holiday period), p < 0.001, and went up to 73% after the holidays (p < 0.001 month 4 vs. month 5).
Why this rating
Statistically significant drop in adherence during holiday periods in a large RCT.
Source
Adherence and Success in Long-Term Weight Loss Diets: The Dietary Intervention Randomized Controlled Trial (DIRECT)
Ilana Greenberg et al. · Journal of the American College of Nutrition · 2009
DOI 10.1080/07315724.2009.10719767
rct · n=322Cited 190×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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