Body mass index has risen more steeply in tall than in short 3-year olds: serial cross-sectional surveys 1988-2003
Body mass index has risen more steeply in tall than in short 3-year olds: serial cross-sectional surveys 1988-2003
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DOI：
10.1038/sj.ijo.0803435
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发表时间：
2007-01-01
影响因子：
4.9
通讯作者：
Cole, T. J.
中科院分区：
文献类型：
--
作者：
Buchan, I. E.;Bundred, P. E.;Cole, T. J.
目的：监测幼儿体重指数 (BMI) 和身高之间的变化关系。设计：使用 1988 - 2003 年健康访问者收集的常规数据进行年度横断面调查。地点：英国威勒尔。参与者：50455 名儿童（49% 女性），每人在 3 岁时测量一次。主要结果指标：调整体重、身高和衍生 BMI（体重/身高（2））对于年龄和性别（英国 1990 年修订参考），使用标准差分数。结果：从 1988 年到 2003 年，平均 BMI 增加了 0.7 kg/m(2)，而平均身高下降了 0.5 cm。同一时期，体重与身高的相关性从 0.59 上升到 0.71（P < 0.0001），因为较高的儿童的 BMI 增长速度比较矮的儿童快。在最矮的 10% 儿童中，平均 BMI 上升了 0.12（95% 置信区间：- 0.05 - 0.28）kg/m(2)，而在最高的 10% 儿童中，平均 BMI 上升了 1.38 (1.19 - 1.56) kg/m(2)，相差 12 倍。对年龄、性别、季节性、出生体重和剥夺的调整并没有改变研究结果。结论：在威勒尔的 3 岁儿童中，BMI 已连续 16 年上升，BMI 增幅最大的是最高的儿童，而最矮的 BMI 几乎没有变化。因此，身材高大对于儿童肥胖变得很重要。它表明幼儿肥胖的增加与生长和食欲有关，快速生长和饥饿的儿童现在更容易暴露在“致肥胖”的环境中。
Objective: To monitor the changing relationship between body mass index ( BMI) and height in young children.Design: Annual cross-sectional surveys using health-visitor-collected routine data 1988 - 2003.Setting: Wirral, England.Participants: Fifty thousand four hundred and fifty-five children ( 49% female) each measured once at the age of 3 years.Main outcome measures: Weight, height and derived BMI ( weight/height(2)) adjusted for age and sex ( British 1990 revised reference) using standard deviation scores.Results: From 1988 to 2003, mean BMI increased by 0.7 kg/m(2), whereas mean height fell by 0.5 cm. Over the same period, the weight - height correlation rose from 0.59 to 0.71 ( P < 0.0001) owing to BMI increasing faster in the taller than the shorter children. Among the shortest 10% of children, mean BMI rose by 0.12 ( 95% confidence interval: - 0.05 - 0.28) kg/m(2) as against 1.38 ( 1.19 - 1.56) kg/m(2) among the tallest 10%, a 12-fold difference. Adjustment for age, sex, seasonality, birth-weight and deprivation did not alter the findings.Conclusions: Among 3-year-old children in Wirral, where BMI has been rising for 16 years, the largest increase in BMI has occurred in the tallest children, whereas in the shortest BMI has hardly changed. Tall stature has, therefore, become important for child obesity. It suggests a drive to increasing adiposity in young children that involves both growth and appetite, with fast growing and hungrier children now more exposed to the 'obesogenic' environment.