Relative risks (RR) and 95% confidence intervals for cause-specific deaths in non-Hispanic black never smokers a.

a.Never smokers who did not have any prevalent cancer except non-melanoma skin cancer or heart disease at baseline.b.Adjusted for age, sex, education (less than high school, high school graduate, some college, and college graduate/postgraduate), marital status (married and not married), physical activity (never/rare, ≤3 times/mo, and 1–2 and ≥3 times/wk), alcohol consumption (0, >0–a. 基线时无除非黑色素瘤皮肤癌（non-melanoma skin cancer）之外的任何现患癌症或心脏病的从不吸烟者。b. 校正了年龄、性别、受教育程度（高中以下、高中毕业生、大学在读、大学本科及以上/研究生）、婚姻状况（已婚与未婚）、体力活动（从不/极少、每月≤3次、每周1-2次及每周≥3次）、饮酒量（0、>0–