Biomarker-Assessed Passive Smoking In Relation To Cause-Specific Mortality: Pooled Data From 12 Prospective Cohort Studies Comprising 36 584 Individuals
JOURNAL OF EPIDEMIOLOGY AND COMMUNITY HEALTH(2021)
摘要
Aims While investigators have typically quantified the health risk of passive (secondhand) smoking by using self-reported data, these are liable to measurement error. By pooling data across studies, we examined the prospective relation of a biochemical assessment of passive smoking, salivary cotinine, with mortality from a range of causes. Methods We combined data from 12 cohort studies from England and Scotland initiated between 1998 and 2008. A total of 36 584 men and women aged 16-85 years of age reported that they were non-smoking at baseline, provided baseline salivary cotinine and consented to mortality record linkage. Results A mean of 8.1 years of mortality follow-up of 36 584 non-smokers (16 792 men and 19 792 women) gave rise to 2367 deaths (775 from cardiovascular disease, 779 from all cancers and 289 from smoking-related cancers). After controlling for a range of covariates, a 10 ng/mL increase in salivary cotinine was related to an elevated risk of total (HRs; 95% CI) (1.46; 1.16 to 1.83), cardiovascular disease (1.41; 0.96 to 2.09), cancer (1.49; 1.00 to 2.22) and smoking-related cancer mortality (2.92; 1.77 to 4.83). Conclusions Assessed biomedically, passive smoking was a risk factor for a range of health outcomes known to be causally linked to active smoking.
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关键词
passive smoking, measurement, mortality
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