Gender-Specific Association between Tobacco Smoking and Central Obesity among 0.5 Million Chinese People: The China Kadoorie Biobank Study

Jun Lv, Wei Chen, Dianjianyi Sun, Shengxu Li, Iona Y Millwood, Margaret Smith, Yu Guo, Zheng Bian, Canqing Yu, Huiyan Zhou, Yunlong Tan, Junshi Chen, Zhengming Chen, Liming Li and China Kadoorie Biobank collaborative Group

PLOS ONE, 2015, vol. 10, issue 4, 1-15

Abstract: Objectives: Lifestyle factors are well-known important modifiable risk factors for obesity; the association between tobacco smoking and central obesity, however, is largely unknown in the Chinese population. This study examined the relationship between smoking and central obesity in 0.5 million Chinese adults, a population with a low prevalence of general obesity, but a high prevalence of central obesity. Subjects: A total of 487,527 adults (200,564 males and 286,963 females), aged 30-79 years, were enrolled in the baseline survey of the China Kadoorie Biobank (CKB) Study conducted during 2004-2008. Waist circumference (WC) and WC/height ratio (WHtR) were used as measures of central obesity. Results: The prevalence of regular smokers was significantly higher among males (60.6%) than among females (2.2%). The prevalence of central obesity increased with age and BMI levels, with a significant gender difference (females>males). Of note, almost all obese adults (99.4%) were centrally obese regardless of gender. In multivariable regression analyses, adjusting for age, education, physical activity, alcohol use and survey site, regular smoking was inversely associated with BMI in males (standardized regression coefficients, β= -0.093, p

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0124586

DOI: 10.1371/journal.pone.0124586

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