Table 1

ORs for continued smoking by age 36 for indicators of childhood socioeconomic position (age 4) obtained by logistic regression (current smoker vs ex-smoker and never smoker), 1768 study members

OR, sex adjusted (95% CI)
Father's social class
 Non-manual1
 Manual1.61 (1.32 to 1.95)
Father's education
 Secondary level1
 Primary only1.25 (1.01 to 1.53)
Mother's education
 Secondary level1
 Primary only1.62 (1.29 to 2.03)