Anemia in relation to body mass index and waist circumference among chinese women

Nutrition Journal

Zumin Shi¹  Minghao Zhou³  Frans J Kok²  Michael B Zimmermann⁴  Jinkou Zhao³  Yue Dai³  Baojun Yuan³  Xiaoqun Pan³  Alida Melse-Boonstra²  Yu Qin² 

[1] Discipline of Medicine, University of Adelaide, Adelaide, Australia;Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands;Department of Chronic Disease Control, Jiangsu Province Centre for Disease Control and Prevention, Nanjing, China;Laboratory for Human Nutrition, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland

关键词: Women;    China;    Waist circumference;    Body mass index;    Anemia;   

Others  :  823683
DOI  :  10.1186/1475-2891-12-10

 received in 2012-02-29, accepted in 2013-01-09,  发布年份 2013

【 摘 要 】

Background

This study aimed to investigate the relationship of anemia and body mass index among adult women in Jiangsu Province, China. Data were collected in a sub-national cross-sectional survey, and 1,537 women aged 20 years and above were included in the analyses. Subjects were classified by body mass index (BMI) categories as underweight, normal weight, overweight and obese according to the Chinese standard. Central obesity was defined as a waist circumference ≥ 80 cm. Anemia was defined as hemoglobin concentration < 12 g/dl. Prevalence ratios (PRs) of the relationship between anemia and BMI or waist circumference were calculated using Poisson regression.

Findings

Overall, 31.1% of the Chinese women were anemic. The prevalence of overweight, obesity and central obesity was 34.2%, 5.8% and 36.2%, respectively. The obese group had the highest concentrations of hemoglobin compared with other BMI groups. After adjustment for confounders, overweight and obese women had a lower PR for anemia (PR: 0.72, 95% CI: 0.62-0.89; PR: 0.59, 95% CI: 0.43-0.79). Central obesity was inversely associated with anemia.

Conclusion

In this Chinese population, women with overweight/obesity or central obesity were less likely to be anemic as compared to normal weight women. No measures are required currently to target anemia specifically for overweight and obese people in China.

【 授权许可】

   
2013 Qin et al.; licensee BioMed Central Ltd.

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