Table 4A

Odds ratio (95% confidence intervals) for current smokers in 12579 men and 15132 women aged 39–79 years, of the EPIC-Norfolk cohort, 1993–1997 for models based on age, social class, level of education, and components of Townsend deprivation index

Current smokers
MenWomen
Predictor variablesOR*p valueOR*p value
*Odds ratio indicates change in probability compared with the reference category. †Reference category. Predictor variables: social class—non-manual=social classes I, II, and III non-manual, manual=social classes III manual, IV, and V. Education—at least O level, no qualifications. ‡Reference category—areas with Z score below the average for England and Wales average (<0).
Social class (non-manual†v manual)1.61 (1.43 to 1.80)<0.0011.13 (1.02 to 1.26) 0.02
Education (at least O level† v no qualifications)1.30 (1.16 to 1.47)<0.0011.30 (1.17 to 1.45)<0.001
Unemployment‡1.26 (1.04 to 1.52) 0.021.33 (1.11 to 1.60) 0.002
Households with no car‡1.50 (1.28 to 1.77)<0.0011.32 (1.13 to 1.55)<0.001
Households not owner occupied‡1.14 (1.01 to 1.28) 0.041.14 (1.02 to 1.28) 0.03
Overcrowding‡1.10 (0.93 to 1.29) 0.261.10 (0.94 to 1.28) 0.26