Parent-child resemblance in weight status and its correlates in the United States.
Parent-child resemblance in weight status and its correlates in the United States.
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DOI：
10.1371/journal.pone.0065361
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发表时间：
2013
期刊：
影响因子：
3.7
通讯作者：
Wang Y
中科院分区：
文献类型：
--
作者：
Liu Y;Chen HJ;Liang L;Wang Y
很少有研究使用美国具有全国代表性的数据来检查父母与孩子在体重状况上的相似性。基于2006年和2007年医疗支出小组调查（MEPS）的美国全国代表性数据，我们分析了4846名男孩、4725名女孩及其父母的体重指数（BMI）、体重状况及其相关因素。使用Pearson偏相关系数、一致性百分比、加权kappa系数、二元和多项逻辑回归来检验亲子相似性，并根据复杂抽样设计进行调整。父子、父女、母子、母亲和女儿之间的Pearson偏相关系数分别为0.15、0.17、0.20和0.23。父母与子女BMI五分位数之间的加权kappa系数范围为- 0.02 ~ 0.25。优势比分析发现，如果只有父亲肥胖，儿童肥胖的可能性是2.1倍（95%置信区间（CI）： 1.6, 2.8）；如果只有母亲肥胖，儿童肥胖的可能性是1.9倍（95% CI: 1.5, 2.4）；如果父母双方都肥胖，儿童肥胖的可能性是3.2倍（95% CI: 2.5, 4.2）。在美国人群中，父母与孩子在BMI上的相似性似乎很弱，并且可能在父母与孩子的双染色体类型中有所不同。然而，父母肥胖状况与儿童肥胖状况相关。使用不同的方法测量亲子体重状况的相似度，可以得出不同的结论。
Few studies have examined parent-child resemblance in body weight status using nationally representative data for the US. We analyzed Body Mass Index (BMI), weight status, and related correlates for 4,846 boys, 4,725 girls, and their parents based on US nationally representative data from the 2006 and 2007 Medical Expenditure Panel Survey (MEPS). Pearson partial correlation coefficients, percent agreement, weighted kappa coefficients, and binary and multinomial logistic regression were used to examine parent-child resemblance, adjusted for complex sampling design. Pearson partial correlation coefficients between parent and child’s BMI measures were 0.15 for father-son pairs, 0.17 for father-daughter pairs, 0.20 for mother-son pairs, and 0.23 for mother-daughter pairs. The weighted kappa coefficients between BMI quintiles of parent and child ranged from −0.02 to 0.25. Odds ratio analyses found children were 2.1 (95% confidence interval (CI): 1.6, 2.8) times more likely to be obese if only their father was obese, 1.9 (95% CI: 1.5, 2.4) times more likely if only their mother was obese, and 3.2 (95% CI: 2.5, 4.2) times more likely if both parents were obese. Parent-child resemblance in BMI appears weak and may vary across parent-child dyad types in the US population. However, parental obesity status is associated with children’s obesity status. Use of different measures of parent-child resemblance in body weight status can lead to different conclusions.
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