Key result
Cigarette smoking in men was associated with a significantly higher risk of overall mortality compared with nonsmokers (RR 1.4; 95% CI 1.2-1.7; P<.001).
Why the study?
Does cigarette smoking increase all-cause and cause-specific mortality in middle-aged Chinese adults?
Population
9,351 adults aged 35 to 64 years at baseline from eleven factories in urban Shanghai, China.
Comparison
Current cigarette smoking vs Nonsmokers
Design
Cohort
Follow-up
average 16 years
Authors
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Supports smoking cessation counseling in middle-aged Chinese men; extends observational mortality data but leaves causality open.
Observational (n=9,351)
Yes
Does cigarette smoking increase all-cause and cause-specific mortality in middle-aged Chinese adults?
Relative Risk: 1.4 (95% CI 1.2–1.7)
p-value: p=<.001
Cigarette smoking is a major cause of all-cause and cause-specific mortality, including coronary heart disease, among middle-aged adults in China.
Chen Zheng-Ming (1997) reported an observational. Cigarette smoking vs. Nonsmokers was evaluated on Overall mortality (RR 1.4, 95% CI 1.2-1.7, p=<.001). Cigarette smoking in men was associated with a significantly higher risk of overall mortality compared with nonsmokers (RR 1.4; 95% CI 1.2-1.7; P<.001).
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