After additional adjustment for alcohol, this RR was 2.2 (95% CI 1.7-2.7, P < 0.00001), but even among those who had never drunk alcohol the standardized ever- vs never-smoker RR was 2.6 (95% CI 2.0-3.6, P < 0.00001). The corresponding RRs for ever- vs never-d
…After additional adjustment for alcohol, this RR was 2.2 (95% CI 1.7-2.7, P < 0.00001), but even among those who had never drunk a
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