Weight Loss Treatment and Longitudinal Weight Change Among Primary Care Patients With Obesity
Authors' conclusion
In this cohort study of primary-care patients with obesity, all WMT increased the patient-level probability of achieving 5% or greater weight loss, but current rates of utilization are low and insufficient to reduce weight at the population level.
Study context
- Population
- Adult primary care patients, 1 academic health system in Michigan, October 2015–March 2020; trajectory analysis in patients with obesity and weight management treatments (WMT) exposure or matched controls10,180 in multistate model
- Participants
- 146,959 patients
- Exposure
- Weight management treatments vs no WMT exposure
- Outcome
- Probability of ≥5% weight loss for each WMT
- Follow-up
- 1 year
Methodological detailspopulation-based, cross-sectional analysis, multistate Markov model, matched controls
- Population-based
- Cross-sectional analysis
- Multistate Markov model
- Matched controls
Main finding
As reported in the abstract
≥5% weight loss
Observational data: associations, not effects.
Further findings
Obesity prevalence · 2017 vs 2019
- Obesity prevalence 2017 → 2019 (138 682 patients)
- 39.2% → 40.7%
WMT use among patients with obesity · 2017 vs 2019
- WMT use 2017 → 2019
- 5.3% → 7.1%
- Difference
- 1.7% (1.3%-2.2%) (95% CI)
Original publication
Weight Loss Treatment and Longitudinal Weight Change Among Primary Care Patients With Obesity. JAMA Netw Open. Published 5 February 2024. doi:10.
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