Multilevel models analysis on influencing factors of overweight and obesity in the elderly from Changsha city

VernacularTitle:长沙市老年人超重或肥胖影响因素的多水平模型分析
Author: Yongquan LIU ; Zhen PENG ; Biao ZENG ; Zhenqiu SUN
Publication Type:Journal Article
Keywords: Body weight; Overweight; Obesity
From: Chinese Journal of Geriatrics 2012;(12):1120-1123
CountryChina
Language:Chinese
Abstract: Objective To investigate the current situation and influencing factors of overweight and obesity in the elderly from Changsha city.Methods Using stratified sampling,2500 elderly in Changsha were included for the investigation by questionnaire and physical examination.The influencing factors were analyzed with univariate analysis and two-level models.Results Among 2500 persons,the valid questionnaires were 2254,the effective rate was 90.16％.About 39.71％ (895/2254) of Changsha's elderly were in overweight and obesity (BMI≥ 24 kg/m2).Univariate analysis showed that there were significant differences in BMI among different area,education degree,income,marital status,drinking wine,drinking tea,physical exercises and occupation (x2＝ 304.17,18.39,19.35,12.93,13.29,11.77,12.87,12.84,all P＜0.05).The results of two-level models indicated that the independent influencing factors were income,physical exercises,drinking wine,age and occupation.Conclusions It is necessary to take interventional measures against elderly obesity and to encourage the elderly taking physical exercises and keeping reasonable diets.