Table 4

Explanation of the association between occupational level of the father and drinking large amounts of alcohol during adolescence

Base model+ attitude friends+ familial alcohol problems+ parental attachment+ intelligence+ all
Odds ratio of longitudinal GEE analyses including age 11 to 21 adjusted for sex and selected predictor.
†Percentage reduction in odds ratio ((OR base model − OR model with predictor(s))/OR base model−1).
‡p value of −2 log likelihood χ2 test occupational level of the father.
§1.00 is not included in 95% confidence intervals of odds ratio.
Occupational level of father
    higher professional, administrative1.
    lower professional, technical1.37 (0.97 to 1.93)1.241.321.351.291.20 (0.79 to 1.82)
    clerical, highly skilled1.26 (0.92 to 1.73) (0.75 to 1.63)
    skilled1.34 (0.99 to 1.82) (0.66 to 1.44)
    semi-skilled, unskilled1.85 (1.32 to 2.60)1.66§221.52§391.68§201.65§241.35 (0.88 to 2.06)59
p value occupational level‡0.01060.05630.20490.07530.05690.2913