Adherence
Interviewer-assisted multiple-pass 24-hour dietary recalls are the most accurate and recommended method for assessing usual dietary intake in obesity treatment research, superior to self-administered web-based tools and food frequency questionnaires.
If you are tracking your diet for a health study or serious weight loss program, use a method where a trained professional interviews you about what you ate. This 'multiple-pass' interview is currently the most accurate way to capture your true food intake, avoiding the errors common with self-reported apps or static food lists.
The behavioral domain subgroup recommends that usual dietary intake be collected by using interview-assisted, multiple pass, 24-hour recalls. Several studies and meta analyses indicate that, though all dietary methodology is susceptible to error, the 24-hour recall method may be the most accurate currently available... The behavioral domain subgroup recommends an interviewer-assisted recall rather than self-administered Web-based such as the Automated Self-Administered 24-hour dietary recall.
Why this rating
Based on multiple studies and meta-analyses cited by the expert working group, though the paper notes all methods have some error.
Source
Accumulating Data to Optimally Predict Obesity Treatment (ADOPT) Core Measures: Behavioral Domain
Leslie A. Lytle et al. · Obesity · 2018
DOI 10.1002/oby.22157
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