Large‐scale web‐based survey on eating behaviour in the Japanese general population using a dietary behaviour questionnaire
Authors' conclusion
Our findings revealed significant differences in a wide range of eating behaviours across sex, age, and obesity levels. These results may contribute to the development of evidence-based strategies for the treatment of obesity disease.
Study context
- Population
- Japanese general population aged 20–69 years; eating behaviours assessed with the Dietary Behaviour Questionnaire of the Japan Society for the Study of Obesity (seven domains)
- Participants
- 17,766 participants
- Exposure
- Eating behaviour scores by sex, age and BMI category
- Outcome
- Seven eating behaviour domain scores
Methodological detailsweb-based survey, large-scale
- Web-based survey
- Large-scale
Main finding
As reported in the abstract
- Across BMI categories, scores for all domains significantly increased with increasing obesity levels in both sexes
- In males, significant differences also between overweight and obese
- Significant positive correlations between scores for all domains and BMI in both sexes, even after adjusting for age
Observational data: associations, not effects.
Further findings
Sex and age differences in normal-weight subjects
- Females scored higher than males in all domains except 'Way of Eating' and 'Dietary Content'
- Scores declined with age across all domains in both sexes
Age-related decline in obese individuals
- Age-related declines in scores were less pronounced among obese individuals
Original publication
Large‐scale web‐based survey on eating behaviour in the Japanese general population using a dietary behaviour questionnaire. Diabetes Obes Metab. Published 22 July 2025. doi:10.
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