孕妇产后1年内体力活动对体重滞留影响的研究

汪秋伟; 陈亮; 胡传来; 邵子瑜; 王燕; 李李

Abstract

汪秋伟,陈亮,胡传来,邵子瑜,王燕,李李.孕妇产后1年内体力活动对体重滞留影响的研究[J].Chinese journal of Epidemiology,2013,34(11):1077-1079

孕妇产后1年内体力活动对体重滞留影响的研究

Influence of physical activity on postpartum weight retention among women,one year afterchildbirth

Received:May 06, 2013

DOI：10.3760/cma.j.issn.0254-6450.2013.011.007

KeyWord: 产后体重滞留体力活动体重指数

English Key Word: ostpartum weight retention Physical activity Body mass index

FundProject:

Author Name	Affiliation	E-mail
WANG Qiu—wei	Department of Nutrition and Food Hygiene,Schoof of Public Health,Anhui Medicaf University,Hefei 230032,China
CHEN Liang	Department of Nutrition and Food Hygiene,Schoof of Public Health,Anhui Medicaf University,Hefei 230032,China
HU Chuan-Lai	Department of Nutrition and Food Hygiene,Schoof of Public Health,Anhui Medicaf University,Hefei 230032,China	huchuanlai@ahnlu.edu.cn
SHA0 Zi—yu	Hefei Maternal and Child Heahh Care Center
WANG Yan	Hefei Maternal and Child Heahh Care Center
LI Li	Department of Nutrition and Food Hygiene,Schoof of Public Health,Anhui Medicaf University,Hefei 230032,China

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Abstract:

目的了解孕妇产后体重滞留情况，探索其影响因素。方法以合肥市某妇幼保健院作为研究现场，2011年9月对608名产后42 d的产妇建立基线，从合肥市孕产妇信息管理系统获取孕前体重、分娩信息。分别于产后3、6、9、12个月进行随访。观察体力活动等指标，采用重复测量资料的方差分析和混合效应模型分析产后体力活动与体重滞留的关系。结果随访608名产妇，产后3、6、9、12个月获得有效数据为502、476、469、434份。研究对象孕前体重为(54.26±8.11)kg，产后42 d和3、6、9、12个月的体重滞留分别为(7.83±5.12)、(6.58±5.21)、(5.10±5.19)、(4.07±4.96)、(3.43±4.98)kg。重复测量资料方差分析结果显示，不同时间的体重滞留差异有统计学意义(P<0.001)，不同时间的体力活动差异有统计学意义(P<0.001)。混合效应模型显示调整孕前BMI、哺乳方式、分娩方式等混杂因素后，产后体力活动与产后体重滞留有统计学关联(P<0.001)，分步调整混杂因素显示混合效应模型结果稳定。结论体力活动水平是影响产后体重滞留重要因素。

English Abstract:

0bjective To explore the risk factors affecting the postpartum weight retentionamong women.Methods Six hundred eight postOartum women were involved to establish abaseline at 42 days of postpartum in Hefei Matemal and Child Health Center of Anhui province.Information regarding pre—pregnancy weight and weight gain during pregnancy and childbirth wereobtained from the Matemal Information Management System.Results Women that under study werefollowed up at 3,6,9,and l 2 months after childbirth,with 502,476,469 and 434 available copies ofvalid data,respectively.Indicators of physical activity were observed.Relationship betweenpostpartum weight retention and physical activities were analyzed by mixed-effect model,togetherwith repeated measure—analysis on related variances.The pre-pregnancy average weight of the studyobjects was(54.26±8.11)kg,with postplartum average weight retention as(7.83±5.12),(6.58±5.21),(5.10±5.19),(4.07±4.96)and(3.43±4.98)kg in 42 days,3,6,9,12 months,respectively.Rates of weight retention was significantly different at different times of repeated measures analysis onvariance(P<0.001).Physical activities were also significantly difierent at difierent time spans(P<0.00 1).Results from the mixed.effects model showed that physical activity and postOartum weightretention were statistically associated when adjustments were made on factors as：pre—pregnancy BMI,ways of feeding,mode of delivery and other confounders(PConclusion It seemed that the strength of physical activity play an important role on postpartumweight retention.

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