| Ethnic Differences in Body Mass Index and Prevalence of Obesity in School Children of Urumqi City, Xinjiang, China |
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| 作者姓名： | Yan WL Zheng YJ Wu J Chen SF Ti XK Li L Liu XR |
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| 作者单位： | [1]School of Public Health, Xinjiang Medical University, Urumqi 830054, Xinjiang, China; [2]Division of Population Genetics and Prevention, Fuwai Hospital, Peking Union Medical College ＆ Chinese Academy of Medical Science, 167 Beilishi Road, Beijing 100037, China; [3]the Health Care Center for Primary and Senior School Students, Urumqi 830002, Xinjiang, China |
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| 基金项目： | ACKN0WLEDGEMENTS We would like to thank Wan-shan QIA0 and Asya from the Health Care Center for Primary and Secondary School Children in Urumqi City for data collection. We also thank Professor Edward DAVIS from Department of Biostatistics, University of North Carolina for his advice on statistical analysis. |
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| 摘 要： | Objective To investigate the prevalence of obesity and distribution of body mass index （BMI） in school children of four ethnic groups in Urumqi, Xinjiang, China. Methods A total of 55 508 school children of Han, Hui, Uygur and Kazak nationalities aged 8-18 years were selected by a cluster sampling from a districts of Urumqi City for anthropometrie measurement and demographic survey. Prevalence of obesity and overweight and distribution of body mass index （BMI） by gender, age, and nationality were analyzed and compared. Cutoff points of BMI for defining obesity and overweight were based on the proposal set by the Working Group on Obesity in China （WGOC） to assess age-, gender- and nationality-specific prevalence of obesity and overweight. Results Prevalence of obesity was 5.34%, 6.78%, 3.39 %, and 1.22% for boys and 2.61%, 1.83%, 1.78%, and 1.40% for girls of Han, Hui, Uygur and Kazak nationalities, respectively. Prevalence of obesity tended to decrease with age overall, whereas that of overweight increased with age in Han children. Conclusions Prevalence of obesity in school children in Urumqi varies with their nationalities and is lower than that of an average national level and a level of western countries. Obesity is more prevalent in boys than in girls of Urmuqi overall, which is just the opposite in Kazak children. Han boys and Hui girls have the highest prevalence of obesity and Kazak boys and girls have the lowest ones. Prevalence of obesity decreases with age, but that of overweight shows a different trend.
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| 关 键 词： | 新疆 儿童 卫生状况 肥胖症 |
| 收稿时间： | 2005-10-20 |
| 修稿时间： | 2006-08-18 |
Ethnic differences in body mass index and prevalence of obesity in school children of Urumqi City, Xinjiang, China |
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| Yan WL,Zheng YJ,Wu J,Chen SF,Ti XK,Li L,Liu XR.Ethnic Differences in Body Mass Index and Prevalence of Obesity in School Children of Urumqi City, Xinjiang, China[J].Biomedical and Environmental Sciences,2006,19(6):469-473. |
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| Authors: | Yan Wei-Li Zheng Yu-Jian Wu Jun Chen Shu-Feng Ti Xiao-Kai Li Ling Liu Xiao-Rui |
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| Institution: | School of Public Health, Xinjiang Medical University, Urumqi 830054, Xinjiang, China. yanweili01@yahoo.com.cn |
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| Abstract: | To investigate the prevalence of obesity and distribution of body mass index (BMI) in school children of four ethnic groups in Urumqi, Xinjiang, China, Methods A total of 55 508 school children of Han, Hui, Uygur and Kazak nationalities aged 8-18 years were selected by a cluster sampling from a districts of Urumqi City for anthropometric measurement and demographic survey. Prevalence of obesity and overweight and distribution of body mass index (BMI) by gender, age, and nationality were analyzed and compared. Cutoff points of BMI for defining obesity and overweight were based on the proposal set by the Working Group on Obesity in China (WGOC) to assess age-, gender- and nationality-specific prevalence of obesity and overweight. Results Prevalence of obesity was 5.34%, 6.78%, 3.39 %, and 1.22% for boys and 2.61%, 1.83%, 1.78%, and 1.40% for girls of Han, Hui, Uygur and Kazak nationalities, respectively. Prevalence of obesity tended to decrease with age overall, whereas that of overweight increased with age in Han children. Conclusions Prevalence of obesity in school children in Urumqi varies with their nationalities and is lower than that of an average national level and a level of western countries. Obesity is more prevalent in boys than in girls of Urmuqi overall, which is just the opposite in Kazak children. Han boys and Hui girls have the highest prevalence of obesity and Kazak boys and girls have the lowest ones. Prevalence of obesity decreases with age, but that of overweight shows a different trend. |
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| Keywords: | Child Obesity Overweight Ethnicity Body mass index |
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