Weight discrimination and eating disorder symptoms in early adolescence: a prospective cohort study.

IF 4.5 3区 医学 Q2 NUTRITION & DIETETICS
Jason M Nagata, Arianna Thompson, Christiane K Helmer, Kyle T Ganson, Alexander Testa, Wesley R Barnhart, Jinbo He, Fiona C Baker, Jason M Lavender
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引用次数: 0

Abstract

Background: Weight discrimination is associated with adverse outcomes, including eating disorder (ED) symptoms, but few longitudinal studies have investigated this relationship in early adolescence. We examined the prospective association of weight discrimination with ED symptoms one year later in early adolescents, and the extent to which this association was moderated by body mass index (BMI) percentile and sex.

Methods: We analyzed prospective data from Year 2 (2018-2020) and Year 3 (2019-2021) of the Adolescent Brain Cognitive Development (ABCD) Study (N = 9,079). To estimate the associations between self-reported experiences of weight discrimination in Year 2 and ED symptoms in Year 3, we conducted multiple logistic and ordinal logistic regression analyses, controlling for potential covariates, including ED symptoms in Year 2. Weight discrimination was measured using the Perceived Discrimination Scale. Presence of various ED symptoms was assessed via parent report using the Kiddie Schedule for Affective Disorders and Schizophrenia (KSADS-5). Participant BMI percentile and sex were also investigated as potential moderators.

Results: Weight discrimination was prospectively associated with higher odds of worry about weight gain (adjusted odds ratio [aOR] 2.12, 95% confidence interval [CI] 1.08-4.14, p = 0.028), self-worth tied to weight (aOR 3.75, 95% CI 2.54-5.55, p < 0.001), inappropriate compensatory behaviors to prevent weight gain (aOR 2.75, 95% CI 2.02-3.74, p < 0.001), binge eating symptoms (aOR 1.72, 95% CI 1.10-2.68, p = 0.018), and distress about binge eating (aOR 2.26, 95% CI 1.33-3.85, p = 0.002) one year later. Weight discrimination was also associated with higher odds of a greater number of overall ED symptoms one year later (aOR 2.21, 95% CI 1.61-3.03, p < 0.001). A significant interaction by BMI percentile was also found: in adolescents with BMI of 5th to < 85th percentile, weight discrimination was more strongly and prospectively associated with higher odds of binge eating symptoms (aOR 3.32, 95% CI 1.27-8.68, p = 0.015) and binge eating distress (aOR 5.11, 95% CI 2.10-12.44, p < 0.001).

Conclusions: Results support a prospective relationship between perceived weight discrimination and ED symptoms in early adolescents, and the differential associations based on BMI percentile highlight the need for interventions that address weight stigma across the weight spectrum.

青少年早期体重歧视与饮食失调症状:一项前瞻性队列研究
背景:体重歧视与不良后果有关,包括饮食失调(ED)症状,但很少有纵向研究调查青春期早期的这种关系。我们研究了体重歧视与一年后早期青少年ED症状的前瞻性关联,以及体重指数(BMI)百分位数和性别在多大程度上缓和了这种关联。方法:我们分析了青少年大脑认知发展(ABCD)研究第二年(2018-2020年)和第三年(2019-2021年)的前瞻性数据(N = 9079)。为了估计二年级自我报告的体重歧视经历与三年级ED症状之间的关联,我们进行了多重逻辑和有序逻辑回归分析,控制了潜在的协变量,包括二年级的ED症状。体重歧视采用感知歧视量表进行测量。使用儿童情感障碍和精神分裂症量表(KSADS-5)通过家长报告评估各种ED症状的存在。参与者的身体质量指数百分位数和性别也被调查为潜在的调节因素。结果:体重歧视与担心体重增加的较高几率(调整比值比[aOR] 2.12, 95%可信区间[CI] 1.08-4.14, p = 0.028)、自我价值感与体重相关(aOR 3.75, 95% CI 2.54-5.55, p)。结果支持青少年早期体重歧视与ED症状之间的前瞻性关系,基于BMI百分位数的差异关联强调了需要采取干预措施,解决体重谱上的体重耻辱感。
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来源期刊
Journal of Eating Disorders
Journal of Eating Disorders Neuroscience-Behavioral Neuroscience
CiteScore
5.30
自引率
17.10%
发文量
161
审稿时长
16 weeks
期刊介绍: Journal of Eating Disorders is the first open access, peer-reviewed journal publishing leading research in the science and clinical practice of eating disorders. It disseminates research that provides answers to the important issues and key challenges in the field of eating disorders and to facilitate translation of evidence into practice. The journal publishes research on all aspects of eating disorders namely their epidemiology, nature, determinants, neurobiology, prevention, treatment and outcomes. The scope includes, but is not limited to anorexia nervosa, bulimia nervosa, binge eating disorder and other eating disorders. Related areas such as important co-morbidities, obesity, body image, appetite, food and eating are also included. Articles about research methodology and assessment are welcomed where they advance the field of eating disorders.
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