Fully adjusted association (see footnote) of smoking intensity with liver enzymes by drinking and body mass index strata, estimated in linear regression models predicting natural log-transformed enzyme activities.

aP-value of interaction test.Note. All six models were adjusted for age, nationality, occupational group, alcohol consumption, body mass index, diabetes, ischemic heart disease, and hypertension (n = 12,615; former smokers and subjects with missing nationality were excluded).