Heaviness of cigarette smoking | Young: aged 20–44 years | Middle: aged 45–64 years | Old: aged ≥ 65 years | ||||||
---|---|---|---|---|---|---|---|---|---|
n | SPD % | ORa (95% CI) | n | SPD % | ORa (95% CI) | n | SPD % | ORa (95% CI) | |
Men (n = 33,925) | |||||||||
Never-smokers | 6795 | 5.3 | 1.00 | 6355 | 2.8 | 1.00 | 6404 | 2.0 | 1.00 |
Ex-smokers | 907 | 4.9 | 1.05 (0.75–1.46) | 1080 | 3.4 | 1.26 (0.87–1.82) | 781 | 2.7 | 1.39 (0.87–2.23) |
Current light smokers | 1573 | 4.3 | 0.85 (0.65–1.11) | 941 | 3.1 | 0.98 (0.65–1.46) | 615 | 3.1 | 1.40 (0.85–2.30) |
Current moderate smokers | 2720 | 4.4 | 0.85 (0.69–1.07) | 2517 | 2.7 | 0.86 (0.64–1.15) | 841 | 2.1 | 0.94 (0.56–1.58) |
Current heavy smokers | 856 | 7.0 | 1.37 (1.02–1.85)* | 1233 | 3.7 | 1.22 (0.87–1.72) | 307 | 2.6 | 1.25 (0.60–2.62) |
P for trend = 0.933 | P for trend = 0.978 | P for trend = 0.482 | |||||||
Women (n = 37,257) | |||||||||
Never-smokers | 11,051 | 5.7 | 1.00 | 11,087 | 3.5 | 1.00 | 10,208 | 2.8 | 1.00 |
Ex-smokers | 531 | 5.3 | 0.89 (0.60–1.32) | 258 | 7.0 | 1.75 (1.06–2.88)* | 110 | 5.5 | 1.80 (0.78–4.18) |
Current light smokers | 925 | 9.1 | 1.47 (1.15–1.88)* | 610 | 5.6 | 1.35 (0.93–1.95) | 247 | 4.5 | 1.53 (0.82–2.85) |
Current moderate smokers | 886 | 9.6 | 1.50 (1.16–1.93)* | 777 | 7.1 | 1.64 (1.21–2.22)* | 185 | 7.0 | 2.54 (1.41–4.57)* |
Current heavy smokers | 165 | 13.3 | 1.88 (1.17–3.02)* | 188 | 9.6 | 2.03 (1.21–3.39)* | 29 | 6.9 | 2.68 (0.63–11.47) |
P for trend < 0.001 | P for trend < 0.001 | P for trend < 0.001 |