The CHIP intervention significantly decreased BMI and improved psychological health over 6 months, with BMI reductions increasing the odds of improved psychosocial scores (OR 1.3-1.9).
RCT (n=348)
Randomized
No
Does the CHIP intervention improve body weight and psychological health in adults?
A 4-week CHIP intervention significantly lowered BMI and improved psychological health outcomes over 6 months of follow-up.
Effect estimate: OR 1.3 to 1.9
This study extends previous research evaluating the association between the CHIP intervention, change in body weight, and change in psychological health. A randomized controlled health intervention study lasting 4 wk. was used with 348 participants from metropolitan Rockford, Illinois; ages ranged from 24 to 81 yr. Participants were assessed at baseline, 6 wk., and 6 mo. The Beck Depression Inventory (BDI) and three selected psychosocial measures from the SF-36 Health Survey were used. Significantly greater decreases in Body Mass Index (BMI) occurred after 6 wk. and 6 mo. follow-up for the intervention group compared with the control group, with greater decreases for participants in the overweight and obese categories. Significantly greater improvements were observed in BDI scores, role-emotional and social functioning, and mental health throughout follow-up for the intervention group. The greater the decrease in BMI through 6 wk., the better the chance of improved BDI score, role-emotional score, social functioning score, and mental health score, with odds ratios of 1.3 to 1.9. Similar results occurred through 6 mo., except the mental health variable became nonsignificant. These results indicate that the CHIP intervention significantly improved psychological health for at least six months afterwards, in part through its influence on lowering BMI.
Thieszen et al. (Mon,) conducted a rct in Overweight and psychosocial health (n=348). CHIP intervention vs. Control group was evaluated on Change in Body Mass Index (BMI) and psychological health (BDI and SF-36 measures) (OR 1.3 to 1.9). The CHIP intervention significantly decreased BMI and improved psychological health over 6 months, with BMI reductions increasing the odds of improved psychosocial scores (OR 1.3-1.9).