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. 2021 Oct 30;51(4):1276–1290. doi: 10.1093/ije/dyab224

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Published by Oxford University Press on behalf of the International Epidemiological Association 2021.

This work is written by US Government employees and is in the public domain in the US.

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Figure 1. — All-cause mortality risk by number of cigarettes smoked per day among low-intensity smokers (≤10 cigarettes per day) in the pooled analysis in the Japan Cohort Consortium^a

^aThe Cox proportional-hazards regression models were adjusted for age, alcohol intake (men: never, former, <1 time/week, regularly <23, 23 to <46, ≥46 g/d; women: never, former, <1 time/week, regularly <23, ≥23 g/d) and region (for the Japan Public Health Center-based Prospective Study Cohort I, the Japan Public Health Center-based Prospective Study Cohort II, the Japan Collaborative Cohort Study and the Life Span Study).