Table 5

Age adjusted and multivariate odds ratios (OR) and 95% confidence intervals (CI) of daily and intermittent smoking compared to all non-smokers in socioeconomic groups: women. Malmö diet and cancer study 1992-94

Daily smokingIntermittent smoking
Adjusted5-150 OR,
95% CI
Adjusted5-151 OR,
95% CI
Adjusted5-152 OR,
95% CI
Adjusted5-150 OR,
95% CI
Adjusted5-151 OR,
95% CI
Adjusted5-152 OR,
95% CI
Socioeconomic status
High level non-manual1.01.01.01.01.01.0
Middle level non-manual1.1 (0.8 to 1.5)1.2 (0.9 to 1.6)1.1 (0.8 to 1.6)1.3 (0.7 to 2.3)1.3 (0.7 to 2.4)1.3 (0.7 to 2.4)
Low level non-manual1.3 (1.01 to 1.8)1.4 (1.01 to 1.8)1.3 (0.96 to 1.7)1.1 (0.6 to 2.0)1.1 (0.6 to 2.0)1.1 (0.6 to 2.0)
Skilled manual1.5 (1.02 to 2.1)1.5 (1.02 to 2.1)1.4 (0.9 to 2.0)0.7 (0.3 to 1.6)0.7 (0.3 to 1.6)0.7 (0.3 to 1.6)
Unskilled manual1.8 (1.4 to 2.4)1.9 (1.4 to 2.5)1.6 (1.2 to 2.2)1.3 (0.7 to 2.3)1.3 (0.7 to 2.4)1.3 (0.7 to 2.4)
Vocationally active 5-153
Employees1.01.01.01.01.01.0
Self employed0.8 (0.6 to 1.1)0.8 (0.6 to 1.1)0.8 (0.6 to 1.1)1.3 (0.8 to 2.1)1.3 (0.9 to 2.1)1.3 (0.9 to 2.1)
Vocationally active and unemployed 5-154
All employed1.01.01.01. 01.01.0
Unemployed1.2 (0.98 to 1.6)1.2 (0.95 to 1.5)1.2 (0.9 to 1.5)0.8 (0.5 to 1.4)0.8 (0.5 to 1.4)0.8 (0.5 to 1.4)
Workforce v pensioners 5-160
Workforce1.01.01.01.01.01.0
Pensioners1.5 (1.3 to 1.7)1.4 (1.2 to 1.7)1.3 (1.1 to 1.5)1.0 (0.7 to 1.4)1.0 (0.7 to 1.4)1.0 (0.7 to 1.4)
  • 5-150 Adjustment for age.

  • 5-151 Adjustment made for age, ethnicity, self reported diseases, and marital status.

  • 5-152 Adjustment made for age, ethnicity, self reported disease, marital status, and social participation.

  • 5-153 Employees (five groups) versus self employed.

  • 5-154 All employed (six groups including self employed) versus unemployed.

  • 5-160 Workforce (five employee groups, self employed and unemployed) versus pensioners.