From: Smoking related lung cancer mortality by education and sex in Norway
Smoking status | Cases | Men HR 95%CI | Cases | Women HR 95%CI | Heterogeneity test for men versus women P-values |
---|---|---|---|---|---|
Never | 91 | 1.00 (ref) | 188 | 1.00 (ref) | |
Former | 459 | 4.08 (3.25–5.11) | 208 | 2.71 (2.22–3.30) | 0.01 |
Current | 2773 | 20.05 (16.25–24.74) | 1983 | 13.97 (11.98–16.29) | 0.01 |
Duration of smoking, 10-years | |||||
b | 2761 | 1.36 (1.28–1.44) | 1969 | 1.65 (1.54–1.78) | < 0.01 |
Cigarettes smoked per day, 10 per day | |||||
b | 2676 | 1.48 (1.42–1.54) | 1974 | 1.76 (1.66–1.86) | < 0.01 |
Pack-years (10 years) | |||||
b | 2269 | 1.39 (1.35–1.44) | 1965 | 1.61 (1.54–1.69) | < 0.01 |