All cause mortality and the case for age specific alcohol consumption guidelines: pooled analyses of up to 10 population based cohorts | The BMJ

Supplementary analyses found that most protective effects disappeared where calculated in comparison with various definitions of occasional drinkers.

Conclusions Beneficial associations between low intensity alcohol consumption and all cause mortality may in part be attributable to inappropriate selection of a referent group and weak adjustment for confounders. Compared with never drinkers, age stratified analyses suggest that beneficial dose-response relations between alcohol consumption and all cause mortality may be largely specific to women drinkers aged 65 years or more, with little to no protection present in other age-sex groups. These protective associations may, however, be explained by the effect of selection biases across age-sex strata.

via All cause mortality and the case for age specific alcohol consumption guidelines: pooled analyses of up to 10 population based cohorts | The BMJ.

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