Risk factors | Mean age# years | Person-years | Crude incidence per 1000 person-years (95% CI) | Adjusted (LSM) incidence per 1000 person-years (95% CI)¶ | Crude RR | Adjusted RR (95% CI)¶ |
Sex | ||||||
Male | 69.5 | 2392 | 7.5 (4.7–11.9) | 10.4 (6.1–17.7) | 0.49 | 0.54 (0.30–0.95) |
Female | 72.0 | 2831 | 15.2 (11.3–20.5) | 19.3 (13.0–28.6) | ||
Age group# years | ||||||
60–69 | 62.9 | 2615 | 7.6 (4.9–11.9) | 7.8 (5.0–12.1) | ||
70–79 | 74.4 | 1363 | 13.9 (8.9–21.9) | 14.8 (9.2–23.7) | 1.83 | 1.91 (1.01–3.61) |
80–89 | 83.2 | 1084 | 17.5 (11.2–27.5) | 18.5 (11.3–30.2) | 2.30 | 2.39 (1.25–4.56) |
90–100 | 90.7 | 160 | 18.7 (6.0–58.0) | 18.8 (5.9–59.6) | 2.46 | 2.42 (0.71–8.29) |
Smoking category# | ||||||
Current smoker | 67.2 | 759 | 18.4 (10.9–31.1) | 22.7 (12.4–41.5) | 1.61 | 2.16 (1.11–4.18) |
Ex-smoker | 69.8 | 1989 | 9.5 (6.1–15.0) | 11.8 (6.9–20.0) | 0.83 | 1.12 (0.61–2.06) |
Never-smoker | 72.9 | 2451 | 11.4 (7.9–16.6) | 10.5 (6.6–16.7) | ||
All | 70.9 | 5223 | 11.7 (9.1–15.0) | 14.1 (9.7–20.5) |
Data are presented as n, unless otherwise stated. LSM: least-squares means; RR: rate ratio. #: smoking habits and age at baseline; ¶: covariates were sex, age group and smoking category.