Webster Vana, Denney-Wilson Elizabeth, Knight Jennifer, Comino Elizabeth
Centre for Health Equity Training Research and Evaluation, Centre for Primary Health Care and Equity, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia.
J Paediatr Child Health. 2013 Apr;49(4):303-8. doi: 10.1111/jpc.12151. Epub 2013 Apr 9.
The aims of this paper are to describe the growth of urban Australian Aboriginal infants from birth to 24 months of age and to identify the proportion of these infants experiencing rapid weight gain (RWG) and overweight/obesity.
The Gudaga Study is a longitudinal birth cohort of 159 Australian Aboriginal children born on the urban fringe of Sydney. Birthweight and length were extracted from hospital data. Children with a birthweight >1500 grams were included in the analysis (n = 157). Weight, length and head circumference were measured at 2-3 weeks and then six-monthly until 24 months of age. Age- and gender-specific Z-scores were determined from the Centers for Disease Control (CDC) 2000 growth charts for weight, length, head circumference and body mass index (BMI). The proportion of children experiencing RWG (an increase in weight-for-age Z-scores ≥0.67 between birth and 12 months) was calculated. The association between RWG and ≥85th CDC percentile for BMI at 24 months was tested using Pearson's χ².
The mean weight of Gudaga infants was less than the CDC mean length-for-age at birth and 2-3 weeks of age but greater than CDC mean length-for-age and weight-for-age at 18 and 24 months of age. Overall, 42 infants (34.4%) experienced RWG, and 45 infants (36.9%) were overweight/obese at 24 months of age. A greater proportion of those who experienced RWG (61.9%) were overweight/obese at 24 months than those who did not experience RWG (23.8%).
Our study suggests a concerning proportion of urban Indigenous infants experience RWG and overweight/obesity in early childhood.
本文旨在描述澳大利亚城市原住民婴儿从出生到24个月龄的生长情况，并确定这些婴儿中体重快速增加（RWG）以及超重/肥胖的比例。
古达加研究是一项针对159名出生在悉尼城市边缘的澳大利亚原住民儿童的纵向出生队列研究。出生体重和身长数据从医院记录中提取。出生体重>1500克的儿童纳入分析（n = 157）。在2 - 3周龄时测量体重、身长和头围，之后每六个月测量一次，直至24个月龄。根据疾病控制中心（CDC）2000年生长图表确定年龄和性别特异性Z评分，用于体重、身长、头围和体重指数（BMI）。计算体重快速增加儿童（出生至12个月龄时年龄别体重Z评分增加≥0.67）的比例。使用Pearson卡方检验体重快速增加与24个月龄时BMI处于CDC第85百分位数及以上之间的关联。
古达加婴儿出生时以及2 - 3周龄时的平均体重低于CDC年龄别身长平均值，但在18和24个月龄时高于CDC年龄别身长和年龄别体重平均值。总体而言，42名婴儿（34.4%）体重快速增加，45名婴儿（36.9%）在24个月龄时超重/肥胖。体重快速增加的婴儿在24个月龄时超重/肥胖的比例（61.9%）高于未体重快速增加的婴儿（23.8%）。
我们的研究表明，城市原住民婴儿在幼儿期体重快速增加以及超重/肥胖的比例令人担忧。
