Eating behavior dimensions and 9-year weight loss maintenance: a sub-study of the Finnish Diabetes prevention study
Authors' conclusion
Lifestyle intervention with intensive and individually tailored, professional counselling had long-lasting effects on cognitive restraint of eating and body weight in middle-aged participants with overweight and IGT. The mediation analyses suggest that early phase increase in cognitive restraint could have a role in long-term weight loss maintenance. This is important because long-term weight loss maintenance has various health benefits, including reduced risk of T2DM.
Study context
- Population
- Middle-aged adults (38 men, 60 women) with overweight and impaired glucose tolerance (IGT), Kuopio research center38 men · 60 women
- Participants
- 51 vs 47
- Comparison
- Intensive individualized lifestyle intervention vs control
- Interventionn = 51
- Controln = 47reference
- Primary endpoint
- Mediation of the intervention effect on body weight by first-year changes in eating behavior dimensions (Three Factor Eating Questionnaire)
- Follow-up
- 9 years
Methodological detailssub-study, single-centre (Kuopio), mediation analysis
- Sub-study
- Single-centre (Kuopio)
- Mediation analysis
Primary result
As reported in the abstract
Mediation of intervention effect on weight loss
- First-year increases in total, flexible and rigid restraint statistically mediated the impact of intervention on weight loss during the 9-year study
Further findings
| Outcome | Intervention | Control | P value |
|---|---|---|---|
| Change in total cognitive restraint · first year | 4.6 scores | 1.7 scores | P < 0.001 |
| Change in flexible restraint · first year | 1.7 | 0.9 | P = 0.018 |
| Change in rigid restraint · first year | 1.6 | 0.5 | P = 0.001 |
| Change in body weight · first year | −5.2 kg | −1.2 kg | P < 0.001 |
| Change in total cognitive restraint · 9 years | 2.6 scores | 0.1 scores | P = 0.002 |
| Change in rigid restraint · 9 years | 1.0 | 0.4 | P = 0.004 |
| Change in body weight · 9 years | −3.0 kg | 0.1 kg | P = 0.046 |
Original publication
Eating behavior dimensions and 9-year weight loss maintenance: a sub-study of the Finnish Diabetes prevention study. Int J Obes (Lond). Published 6 May 2023. doi:10. 1038/ s41366-023-01300-w
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