肥胖与减肥意愿之间的关联在黑人和男性中比在白人和女性中更弱。
The Association Between Obesity and Weight Loss Intention Weaker Among Blacks and Men than Whites and Women.
机构信息
Department of Psychiatry, University of Michigan, MI, USA ; Center for Research on Ethnicity, Culture and Health, School of Public Health, University of Michigan, MI, USA.
Center for Research on Ethnicity, Culture and Health, School of Public Health, University of Michigan, MI, USA.
出版信息
J Racial Ethn Health Disparities. 2015 Sep;2(3):414-20. doi: 10.1007/s40615-015-0115-x. Epub 2015 May 15.
INTRODUCTION
Although obesity is associated with weight loss intention, the magnitude of this association may differ across various populations. Using a nationally representative data of the United States, this study tested the variation of the association between obesity and weight loss intention based on race and gender.
METHODS
Data came from the National Survey of American Life (NSAL), 2001-2003, which enrolled 5,810 nationally representative sample of adults (3,516 African Americans, 1,415 Caribbean Blacks, and 879 Non-Hispanic Whites). Socio-demographics, body mass index (BMI), and weight loss intention were measured. We fitted logistic regression models in the pooled sample with weight loss intention as outcome, obesity (BMI > 30) as predictor, while the effect of covariates were controlled. To test our moderation hypotheses, we entered race * obesity and gender * obesity interactions to the model.
RESULTS
Although the association between obesity and weight loss intention was significant among both race and gender groups, the magnitude of the association between obesity and weight loss intention was larger for women than men and Whites than Blacks. That means individuals with obesity have less intention for weight loss if they are Black or men.
CONCLUSION
The link between obesity and weight loss intention depends on race and gender. Weight loss intention may not increase in response to obesity among Blacks and men, compared to Whites and women. Healthy weight programs in the United States may benefit from tailoring based on race and gender.
简介
尽管肥胖与减肥意愿相关，但这种关联的程度可能因人群而异。本研究使用美国全国代表性数据，检验了肥胖与减肥意愿之间的关联在不同种族和性别的差异。
方法
数据来自于 2001-2003 年的美国生活全国调查（NSAL），该调查共纳入了 5810 名具有全国代表性的成年人样本（3516 名非裔美国人、1415 名加勒比裔黑人、879 名非西班牙裔白人）。调查测量了社会人口统计学特征、体重指数（BMI）和减肥意愿。我们在汇总样本中使用逻辑回归模型，以减肥意愿为结果，肥胖（BMI＞30）为预测因素，同时控制了协变量的影响。为了检验我们的调节假设，我们将种族肥胖和性别肥胖交互项纳入模型。
结果
尽管肥胖与减肥意愿之间的关联在种族和性别群体中均具有统计学意义，但肥胖与减肥意愿之间的关联程度在女性中大于男性，在白人中大于黑人。这意味着肥胖的个体如果是黑人或男性，他们的减肥意愿就会降低。
结论
肥胖与减肥意愿之间的联系取决于种族和性别。与白人女性相比，黑人男性可能不会因肥胖而增加减肥意愿。美国的健康体重计划可能受益于根据种族和性别进行定制。
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