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Background/Aims: Sociocultural and familial factors associated with weight bias internalization (WBI) are currently unknown. The present study explored the relationship between interpersonal sources of weight stigma, family weight history, and WBI. Methods: Participants with obesity (N = 178, 87.6% female, 71.3% black) completed questionnaires that assessed the frequency with which they experienced weight stigma from various interpersonal sources. Participants also reported the weight status of their family members and completed measures of WBI, depression, and demographics. Participant height and weight were measured to calculate body mass index (BMI). Results: Linear regression results (controlling for demographics, BMI, and depression) showed that stigmatizing experiences from family and work predicted greater WBI. Experiencing weight stigma at work was associated with WBI above and beyond the effects of other sources of stigma. Participants who reported higher BMIs for their mothers had lower levels of WBI. Conclusion: Experiencing weight stigma from family and at work may heighten WBI, while having a mother with a higher BMI may be a protective factor against WBI. Prospective research is needed to understand WBI's developmental course and identify mechanisms that increase or mitigate its risk.

BackgroundSome weight loss medications, including liraglutide 3.0 mg, are thought to facilitate weight loss by improving appetite control. However, no studies have evaluated their long-term appetitive effects.Subjects/methodsThis study examined changes in appetite in a subsample of 113 adults with obesity (76.1% female, 55.8% white, BMI = 38.8 ± 4.8 kg/m2) who participated in a 52-week trial. Participants were randomized to intensive behavioral therapy alone (IBT-alone), IBT with liraglutide 3.0 mg/day (IBT-liraglutide), or IBT-liraglutide combined with a 12-week meal replacement diet (Multi-component). Participants rated their hunger, fullness after meals, liking of meals, and food preoccupation (all as experienced over the past week) using visual analogue scales (0–100 mm). Ratings were completed at baseline and eight subsequent visits over the year.ResultsAt week 52, participants treated by IBT-alone lost 6.2 ± 1.6% of baseline weight, compared with 11.8 ± 1.6% and 12.1 ± 1.5% in the IBT-liraglutide and Multi-component groups, respectively. Compared to IBT-alone, IBT-liraglutide participants reported larger reductions at week 6 in hunger (−0.3 ± 4.2 vs −16.8 ± 4.0 mm, p = .005) and food preoccupation (+0.2 ± 3.7 vs −16.3 ± 3.6 mm, p = .002) and larger increases in fullness (−5.1 ± 3.2 vs +9.8 ± 3.0 mm, p = .001). These significant differences persisted at all assessments through week 24. There were no differences between IBT-alone and IBT-liraglutide in meal liking. IBT-alone and Multi-component participants differed in hunger at week 6, and in food preoccupation at all assessments through week 24. Multi-component participants reported reduced liking of meals relative to the IBT-alone and IBT-liraglutide groups through weeks 40 and 52, respectively. There were no other differences among any groups at week 52.ConclusionsConsistent with short-term studies, IBT-liraglutide participants reported greater improvements in hunger, fullness, and food preoccupation than those assigned to IBT-alone. Differences in appetite persisted for 24 weeks but were not maintained at week 52, despite the relatively greater weight losses in the liraglutide-treated participants at the trial’s end.

Food addiction is a controversial concept. The potential influence of food addiction on patients' psychosocial functioning and well-being has not been well established. The purpose of this study was to examine the relationships between psychosocial functioning (depressive symptoms and health-related quality of life [HRQOL]) and food addiction as measured by the Yale Food Addiction Scale (YFAS). We also explored whether food addiction contributed additional variance in explaining psychosocial functioning, beyond demographic and clinical factors (e.g., binge eating). The sample included 178 participants (mean age=44.2±11.2years; BMI=40.9±5.9kg/m2; 88.2% female; 70.8% Black) with obesity seeking treatment for weight loss. Participants completed the Medical Outcomes Study 36-Item Short-Form Health Survey, Impact of Weight on Quality of Life-Lite, Patient Health Questionnaire, YFAS, and Questionnaire on Eating and Weight Patterns-5. Twelve (6.7%) participants met criteria for food addiction, with 4 (33.3%) of these participants having co-occurring binge eating disorder. After adjusting for covariates, the number of food addiction symptoms accounted for 6.5% to 16.3% of additional variance in general HRQOL, 5.0% to 21.5% in weight-related HRQOL, and 19.1% in symptoms of depression. In this treatment-seeking sample of participants, we found a low prevalence of food addiction, suggesting that addictive-like eating is unlikely to be a causal mechanism for most people with obesity. However, individuals who met criteria for food addiction had reduced psychosocial functioning compared to those who did not meet criteria. Individuals with addictive-like eating may require additional psychosocial support.

To examine the relationship between food cravings and food addiction as defined by the Yale Food Addiction Scale (YFAS) and to assess the effects of these variables on weight loss during a 14-week group lifestyle modification program. Data were from 178 participants who were prescribed a 1000–1200 kcal/day portion-controlled diet and provided with weekly group lifestyle modification sessions. Participants completed the Food Craving Inventory and YFAS pre- and post-treatment. Weight was measured weekly. Participants with YFAS-defined food addiction (6.7%) reported more frequent overall food cravings relative to those without food addiction. More frequent food cravings at baseline were associated with less weight loss over the 14 weeks. Analyzed categorically, participants in the highest tertile of baseline food cravings lost 7.6 ± 0.5% of initial weight, which was significantly less compared to those in the lowest tertile who lost 9.1 ± 0.5%. Percent weight loss did not differ significantly between participants with YFAS-defined food addiction (6.5 ± 1.2%) and those who did not meet criteria (8.6 ± 0.3%). Addictive-like eating behaviors significantly declined from pre- to post-treatment. Participants with frequent food cravings lost less weight than their peers. Targeted interventions for food cravings could improve weight loss in these individuals. Few participants met YFAS-defined criteria for food addiction. Addictive-like eating behaviors tended to decline during behavioral weight loss, but neither baseline nor change in YFAS scores predicted weight loss.