Centre for Vision Research, Department of Ophthalmology and Westmead Millennium Institute, University of Sydney, Westmead Hospital, Hawkesbury Road, Westmead, New South Wales 2145, Australia.
Public Health Nutr. 2012 Sep;15(9):1639-44. doi: 10.1017/S1368980011003569. Epub 2012 Feb 28.
We aimed to establish associations of duration of breast-feeding with mean BMI and waist circumference, as well as the likelihood of being overweight/obese, during early childhood.
Cross-sectional, population-based study. Height, weight and waist circumference were measured and BMI calculated. Interviewer-administered questionnaire determined whether the child was ever breast-fed and the duration of breast-feeding.
Sydney, Australia.
Infants and pre-school children (n 2092) aged 1-6 years were examined in the Sydney Paediatric Eye Disease Study during 2007-2009.
Of the children aged 1-6 years, 1270 had been breast-fed compared with 822 who were never breast-fed. After multivariable adjustment, 1-6-year-old children who were ever breast-fed compared with those who were not had significantly lower BMI, 16·7 (se 0·1) kg/m2 v. 17·1 (se 0·2) kg/m2 (P = 0·01). Decreasing BMI was associated with increasing duration of breast-feeding (P trend = 0·002). After multivariable adjustment, each month increase in breast-feeding was associated with an average BMI decrease of 0·04 kg/m2 (P = 0·002) and 0·03 kg/m2 (P = 0·03) among children aged 1-2 years and 3-4 years, respectively. In 1-2-year-old children, each month increase in breast-feeding duration was associated with a 0·06 cm decrease in waist circumference (P = 0·04). Significant associations were not observed among 5-6-year-old children. Children who were ever breast-fed v. those never breast-fed were less likely to be overweight/obese (multivariable-adjusted OR = 0·54; 95 % CI 0·36, 0·83).
We demonstrated a modest influence of breast-feeding on children's BMI during early childhood, particularly among those aged less than 5 years.
本研究旨在建立母乳喂养时长与儿童早期平均 BMI 和腰围之间的关联，并分析其与超重/肥胖的关系。
横断面、基于人群的研究。通过身高、体重和腰围的测量计算 BMI。通过访谈式问卷调查确定儿童是否曾接受母乳喂养以及母乳喂养的时长。
澳大利亚悉尼。
2007-2009 年期间，在悉尼儿童眼病研究中，2092 名 1-6 岁的婴幼儿接受了检查。
在 1-6 岁的儿童中，有 1270 名曾接受母乳喂养，822 名从未接受母乳喂养。经多变量调整后，与从未接受母乳喂养的儿童相比，1-6 岁曾接受母乳喂养的儿童 BMI 显著更低，分别为 16.7（se 0.1）kg/m2 和 17.1（se 0.2）kg/m2（P = 0.01）。随着母乳喂养时长的增加，BMI 呈下降趋势（P 趋势 = 0.002）。经多变量调整后，母乳喂养时长每月增加 1 个月，与 1-2 岁和 3-4 岁儿童的平均 BMI 分别降低 0.04kg/m2（P = 0.002）和 0.03kg/m2（P = 0.03）相关。在 1-2 岁的儿童中，母乳喂养时长每月增加 1 个月与腰围减少 0.06cm（P = 0.04）相关。在 5-6 岁的儿童中未观察到显著关联。与从未接受母乳喂养的儿童相比，曾接受母乳喂养的儿童超重/肥胖的可能性更低（多变量调整后的 OR = 0.54；95%CI 0.36，0.83）。
本研究表明，母乳喂养对儿童早期 BMI 有一定影响，尤其是对 5 岁以下儿童的影响更为显著。
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