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Key Points Question What are the differences in lifestyle patterns among individuals who received bariatric surgery compared with those eligible for surgery who did not receive it and those with normal weight? Findings In this cross-sectional study of 4659 participants, postbariatric surgery patients reported more time spent on physical activity (50.6 min/wk) and lower total energy intake (−295 kcal/d) than those eligible for surgery, with levels of physical activity comparable with those with normal weight. Meaning These results suggest that postoperative support for sustained behavioral changes is needed for postbariatric patients to help achieve long-term health benefits.

Background: Behavioral obesity interventions using an acceptance-based therapy (ABT) approach have demonstrated efficacy for adults, yet feasibility and acceptability of tailoring an ABT intervention for adolescents remains unknown.Objective: This study assessed the feasibility and acceptability of an ABT healthy lifestyle intervention among diverse adolescent cisgender girls with overweight/ obesity (OW/OB).Methods: Adolescent cisgender girls aged 14-19 with a BMI of ≥85th percentilefor-sex-and-age were recruited for participation in a single-arm feasibility study. The primary outcomes were recruitment and retention while the secondary outcome was change in BMI Z-score over the 6-month intervention. Exploratory outcomes included obesity-related factors, health-related behaviors, and psychological factors. Results: Recruitment goals were achieved; 13 adolescents (>60% racial/ethnic minorities) participated in the intervention, and 11 completed the intervention (85% retention). In completers (n = 11), a mean decrease in BMI Z-score of −0.15 (SD = 0.34, Cohen's d = −0.44) was observed. Improvements were also noted for change in percentage of 95th percentile (d = −0.35), percent body fat (d = −0.35), quality of life (d = 0.71), psychological flexibility (d = −0.86), and depression (d = −0.86).Conclusions: These preliminary findings suggest an ABT healthy lifestyle intervention tailored for adolescent cisgender girls with OW/OB may be an acceptable treatment that could lead to improvements in BMI Z-score, obesity-related measures, and psychological outcomes.