Initial weight loss and early intervention adherence predict long‐term weight loss during the Promoting Successful Weight Loss in Primary Care in Louisiana lifestyle intervention
Authors' conclusion
These results highlight the importance of initial WC for predicting long-term WC and show that self-weighing and adherence to the expected WC trajectory can improve WC prediction.
Study context
- Population
- Underserved primary-care population with obesity; 88% women, 74% Black, BMI 37.3 kg/m² (SD 4.6)intervention group
- Participants
- 452 participants
- Primary endpoint
- Percentage WC at 6, 12 and 24 months predicted by initial WC, self-weighing and adherence to expected WC trajectory
- Follow-up
- 6, 12 and 24 months
Methodological detailsintervention group only, linear mixed-effects models
- Intervention group only
- Linear mixed-effects models
Primary result
As reported in the abstract
Prediction of percentage WC by initial (2-, 4-, 8-week) percentage WC
- Initial 2, 4, 8 wk weight change (WC) predicting WC at 6 months (R2)
- 0.15, 0.28, 0.50
- Initial 2, 4, 8 wk WC predicting WC at 12 months (R2)
- 0.11, 0.19, 0.32
- Initial 2, 4, 8 wk WC predicting WC at 24 months (R2)
- 0.09, 0.11, 0.16
- All predictions
- p < 0.01
Further findings
Initial daily and adherent weights
- Significantly associated with WC as individual predictors, but only marginally improved predictions beyond initial weight loss alone in multivariable models
Original publication
Initial weight loss and early intervention adherence predict long‐term weight loss during the Promoting Successful Weight Loss in Primary Care in Louisiana lifestyle intervention. Obesity (Silver Spring). Published 8 August 2023. doi:10.
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