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. 2021 Mar 1.
doi: 10.1007/s11356-021-13081-8. Online ahead of print.

Independent and combined associations of solid-fuel use and smoking with obesity among rural Chinese adults

Mingming Pan #  1 , Jianjun Gu #  2 , Ruiying Li  1 , Hao Chen  1 , Xiaotian Liu  1 , Runqi Tu  1 , Ruoling Chen  3 , Songcheng Yu  4 , Zhenxing Mao  1 , Wenqian Huo  1 , Jian Hou  5 , Chongjian Wang  6
Affiliations

Independent and combined associations of solid-fuel use and smoking with obesity among rural Chinese adults

Mingming Pan et al. Environ Sci Pollut Res Int. .

Abstract

Although solid-fuel use or smoking is associated with obesity measured by body mass index (BMI), research on their interactive effects on general and central obesity is limited. Data of 20,140 individuals in the Henan Rural Cohort Study was examined the independent and combined associations of solid-fuel use and smoking with prevalent obesity, which was measured by BMI, waist circumference (WC), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR), body fat percentage (BFP), and visceral fat index (VFI). Multiple adjusted logistic regression models showed that the OR (95% CI) of prevalent obesity measured by BMI associated with exposure to solid fuels alone or with smoking was 0.78 (0.70, 0.86) or 0.46 (0.32, 0.66), compared with neither smoking nor solid-fuel exposure. Similar results had been found in other obese anthropometric indices and in the results of linear regression analysis. The results indicated that solid-fuel use and smoking have a synergistic effect on reduction in obesity indices. The effects of household air pollution from solid-fuel use and smoking on obesity should be considered when exploring the influencing factors of obesity.

Keywords: Adults; Household air pollution; Obesity indices; Rural population; Smoking; Solid-fuel use.

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