Developmental trajectories of body mass index among Japanese children and impact of maternal factors during pregnancy.
Developmental trajectories of body mass index among Japanese children and impact of maternal factors during pregnancy.
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DOI：
10.1371/journal.pone.0051896
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发表时间：
2012
期刊：
影响因子：
3.7
通讯作者：
Yamagata Z
中科院分区：
文献类型：
--
作者：
Haga C;Kondo N;Suzuki K;Sato M;Ando D;Yokomichi H;Tanaka T;Yamagata Z
本研究的目的是1）确定日本儿童体重指数（BMI）轨迹的不同模式，2）阐明怀孕期间的母亲因素，这有助于确定这些模式。研究人员对1991年至1998年期间出生于日本Koshu市的所有儿童（1，644人）进行了一项纵向研究，以探索受试者的BMI。每个孩子在出生到12岁之间的BMI计算了11次。进行探索性潜在类别增长分析，以确定BMI z评分的轨迹模式。BMI轨迹分布的最佳特征是男孩的五组模型和女孩的六组模型。这些组分别被命名为“稳定瘦”、“稳定平均”、“稳定高平均”、“渐进性超重”和“渐进性肥胖”;女孩被分配到另一个称为“渐进平均”的组。多项逻辑回归分析发现，母亲体重，吸烟，怀孕期间不吃早餐与儿童包括在进行性肥胖模式，而不是稳定的平均模式。这些联系对男孩来说比对女孩更强。日本男孩和女孩的多种发展模式被确定，其中一些在西方国家还没有被确定。母亲的BMI和怀孕早期的一些不良行为可能会影响孩子的体重发育模式。有必要进一步研究来解释所发现的性别和地区差异，因为这些可能对于早期预防与体重相关的健康问题很重要。
The aims of this study were to 1) determine the distinct patterns of body mass index (BMI) trajectories in Japanese children, and 2) elucidate the maternal factors during pregnancy, which contribute to the determination of those patterns. All of the children (1,644 individuals) born in Koshu City, Japan, between 1991 and 1998 were followed in a longitudinal study exploring the subjects’ BMI. The BMI was calculated 11 times for each child between birth and 12 years of age. Exploratory latent class growth analyses were conducted to identify trajectory patterns of the BMI z-scores. The distribution of BMI trajectories were best characterized by a five-group model for boys and a six-group model for girls. The groups were named “stable thin,” “stable average,” “stable high average,” “progressive overweight,” and “progressive obesity” in both sexes; girls were allocated to an additional group called “progressive average.” Multinomial logistic regression found that maternal weight, smoking, and skipping breakfast during pregnancy were associated with children included in the progressive obesity pattern rather than the stable average pattern. These associations were stronger for boys than for girls. Multiple developmental patterns in Japanese boys and girls were identified, some of which have not been identified in Western countries. Maternal BMI and some unfavorable behaviors during early pregnancy may impact a child’s pattern of body mass development. Further studies to explain the gender and regional differences that were identified are warranted, as these may be important for early life prevention of weight-associated health problems.
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