Why the study?
To estimate the approximately causal effects of smoking on the obesity risk among Chinese adults.
Does smoking affect the risk of general and abdominal obesity in Chinese adults?
Comparison
Current smokers vs nonsmokers, and male heavy smokers vs other smokers
Design
Survey-based study using ordinary-least squares and probit models
Authors
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Cautions against viewing smoking as protective against obesity; leaves open causal inference in Chinese adults.
Does smoking affect the risk of general and abdominal obesity in Chinese adults?
Current smoking is associated with a lower probability of general and abdominal obesity among Chinese adults, but heavy smoking in males increases obesity risk.
Zhao et al. (2020) studied this question.
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