Education differences in women's body weight trajectories: The role of motherhood.
Education differences in women's body weight trajectories: The role of motherhood.
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DOI：
10.1371/journal.pone.0236487
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发表时间：
2020
期刊：
影响因子：
3.7
通讯作者：
Leopold L
中科院分区：
文献类型：
--
作者：
Kröger H;Leopold L
研究发现，在女性成年前，教育程度的差异会使她们的体重增加。这种增长背后的解释机制还没有得到很好的理解。这项研究考察了教育差异在母亲的流行率作为体重增加的风险因素以及对其对体重增加的影响的易感性方面所起的作用。我们使用了德国社会经济小组研究的纵向数据。我们的样本包括2668名年龄在17岁至45岁之间的女性，她们在2002年至2016年期间至少观察了两次(n=13899个小组观察)。我们使用OLS回归模型估计初始教育程度对体重的差异，使用固定效应面板回归模型估计教育程度对体重轨迹的影响。母亲身份与体重增加有关，母亲身份对体重增加的影响因教育程度而异。母亲的身份部分解释了育龄期间教育差异的增加。在30岁之前，受教育程度较低的女性和受教育程度较高的女性之间的体重差距中，母亲比例的差异约占20%。从35岁到45岁，母亲对体重影响的不同脆弱性解释了体重教育差距的15%。
Studies have found that education differences in women’s body weight increase until middle adulthood. The explanatory mechanisms behind this increase are not well-understood. This study examined the role of education differences in the prevalence of motherhood as a risk factor for weight gain and in vulnerability to its effects on weight gain. We used longitudinal data from the German Socio-economic Panel Study. Our sample included 2,668 women aged between 17 and 45 and observed at least twice between 2002 and 2016 (n = 13,899 panel observations). We used OLS regression models to estimate initial education differences in body weight and fixed-effects panel regression models to estimate education differences in body-weight trajectories. Motherhood was associated with increasing body weight, and the effects of motherhood on weight gain varied by education. Motherhood partially accounted for the increase of education differences during reproductive age. Until the age of 30, differences in the prevalence of motherhood accounted for about 20% of the bodyweight gap between lower and higher educated women. From age 35 until 45, differential vulnerability to the effects of motherhood on body weight explained about 15% of the education gap in body weight.
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