Wardle J, Williamson S, Johnson F, Edwards C
Department of Epidemiology and Public Health, Cancer Research UK Health Behaviour Unit, University College London, London, UK.
Int J Obes (Lond). 2006 Apr;30(4):634-43. doi: 10.1038/sj.ijo.0803142.
Community studies relating depression to obesity in adolescents have generated inconsistent results. It has been argued that the variability in findings is due to effect modification by demographic characteristics that vary across samples. The aim of this study was to test the hypothesis that the strength of the obesity-depression association is moderated by gender, ethnicity and socioeconomic status (SES).
Data were from two large, school-based, studies of adolescent health and well-being (n=4320; n=1824). Students completed one of two measures of depressive symptoms (SDQ; CES-D) in school and were weighed and measured. Gender and ethnicity were self-reported and SES was indexed by residential neighbourhood characteristics or individual family deprivation.
There was barely any association between obesity and depressive symptoms in either sample. There was also no evidence that obese participants who were female, white or from higher SES backgrounds were especially vulnerable to depressive symptoms.
The results indicate that in community samples of adolescents, regardless of gender, SES or ethnicity, reports of depressive symptoms are not significantly higher in obese than normal-weight groups. The results are discussed in terms of obese adolescents' resilience in the face of multiple social adversities.
关于青少年抑郁症与肥胖症之间关系的社区研究结果并不一致。有人认为，研究结果的差异是由于不同样本中人口统计学特征的效应修正所致。本研究的目的是检验以下假设：肥胖与抑郁之间关联的强度受性别、种族和社会经济地位（SES）的调节。
数据来自两项基于学校的大型青少年健康与幸福研究（n = 4320；n = 1824）。学生们在学校完成了两项抑郁症状测量指标（SDQ；CES - D）中的一项，并进行了体重和身高测量。性别和种族通过自我报告获取，SES通过居住社区特征或个体家庭贫困程度来衡量。
在任何一个样本中，肥胖与抑郁症状之间几乎没有关联。也没有证据表明女性、白人或来自较高社会经济背景的肥胖参与者更容易出现抑郁症状。
结果表明，在青少年社区样本中，无论性别、社会经济地位或种族如何，肥胖组青少年的抑郁症状报告并不显著高于正常体重组。将根据肥胖青少年面对多种社会逆境时的复原力来讨论这些结果。
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