Changes in Ultra‐Processed Food Intake During a Single‐Arm Behavioral Weight Management Intervention: A Secondary Analysis
Authors' conclusion
UPF intake decreased during the BWLI, and greater reductions were associated with greater weight loss, independent of caloric changes, though small effect sizes warrant cautious interpretation.
Study context
- Population
- Adults with obesity; mean ± SD age 49.5 ± 11.4 years, BMI 35.7 ± 4.0 kg/m², 83.5% female, 23.4% Black/African American, 9.8% Hispaniccompleted BWLI
- Participants
- 449 adults
- Primary endpoint
- Changes in caloric intake and proportion of calories from UPFs (ASA24), and associations of these changes with weight loss
- Follow-up
- Baseline to post-intervention (16 weeks)
Primary result
As reported in the abstract
Changes from baseline to post-intervention · 16 weeks
Change in calorie intake (mean ± SD), ps < 0.001
−461 ± 931 kcal/day
Change in ultra-processed food (UPF) intake (mean ± SD), ps < 0.001
−3.0% ± 2.8% of total energy
Change in body weight (mean ± SD), ps < 0.001
−7.2 ± 7.6 kg
Further findings
- Greater UPF reductions with greater decreases in caloric intake
- r = 0.10
- Greater UPF reductions with greater weight loss, ps < 0.001
- r = 0.08
- Association with weight loss after adjusting for changes in caloric intake
- P = 0.005
- Effect sizes were small
Original publication
Changes in Ultra‐Processed Food Intake During a Single‐Arm Behavioral Weight Management Intervention: A Secondary Analysis. Obesity (Silver Spring). Published 14 July 2026. doi:10.
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