Key result
Current smoking linked to lower BMI but higher waist circumference, particularly in females.
Why the study?
There were controversies about the associations between smoking and obesity, motivating exploration of these associations using BMI and waist circumference in northeast China.
Does smoking affect body mass index and waist circumference in adults?
Cross-Sectional (n=16,412)
Does smoking affect body mass index and waist circumference in adults?
Current smoking is associated with lower BMI but higher waist circumference, suggesting a link to central adiposity.
Answers are grounded in this paper and cite their sources.
Current smoking linked to lower BMI yet higher WC, stronger at higher WC in women; leaves open causal effects on central adiposity.
Obesity is a risk factors of chronic diseases, and smoking is associated with both chronic diseases and obesity. There were some controversies about the associations between smoking and obesity. Thus, our study aimed to explore the associations of smoking with obesity, using body mass index (BMI) and waist circumference (WC) as obesity indices in northeast China. We enrolled a sample of 16,412 participants in Jilin province aged 18-79 in this study, which were derived from a cross-sectional survey in 2012. We used quantile regression (QR) models to identify the associations of smoking with obesity in different quantiles of BMI (or WC) by genders. The differences of BMI and WC by genders were statistically significant (p < 0.05). In conclusion, compared with current non-smokers, current smokers had lower BMI but higher WC. As increasing of WC, the association of WC with smoking was getting stronger, especially in females.
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Sun et al. (2019) conducted a cross-sectional in Obesity (n=16,412). Smoking vs. Current non-smokers was evaluated on Body mass index (BMI) and waist circumference (WC) across different quantiles.
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