Baseline characteristics and risk of pancreatic cancer
| Cases (n = 256) | Person-years | Incidence ratea | HRb (95% CI) | Pc | |
|---|---|---|---|---|---|
| Age (mean ± SD), y | |||||
| <60 | 74 (28.9%) | 215,407 | 34.4 | 1.0 | <0.0001 |
| 60 to <65 | 91 (35.6%) | 199,979 | 45.5 | 1.4 (1.0–1.8) | |
| ≥65 | 91 (35.6%) | 147,910 | 61.5 | 1.9 (1.4–2.6) | |
| BMI (mean ± SD) | |||||
| <25 | 123 (48.0%) | 271,774 | 45.3 | 1.0 | 0.35 |
| 25 to <30 | 78 (30.5%) | 191,675 | 40.7 | 0.9 (0.7–1.2) | |
| ≥30 | 55 (21.5%) | 99,847 | 55.1 | 1.1 (1.0–1.2) | |
| Race | |||||
| White | 250 (99.6%) | 552,869 | 45.2 | 1.0 | 0.52 |
| Others | 1 (0.4%) | 4,457 | 22.4 | 0.5 (0.1–3.7) | |
| Education | |||||
| Less than High school | 47 (18.4%) | 101,635 | 46.2 | 1.0 | 0.81 |
| High school | 106 (41.4%) | 239,376 | 44.3 | 1.0 (0.7–1.4) | |
| Greater than High school | 103 (40.2%) | 222,285 | 46.3 | 1.0 (0.7–1.5) | |
| Cigarette smoking | |||||
| Never smoker | 161 (63.9%) | 377,586 | 42.6 | 1.0 | 0.001 |
| Former smoker | 40 (15.9%) | 103,947 | 38.5 | 1.0 (0.7–1.4) | |
| Current smoker | 51 (20.2%) | 74,271 | 68.7 | 1.9 (1.4–2.5) | |
| Alcohol intake | |||||
| No | 136 (53.1%) | 309,944 | 43.9 | 1.0 | 0.36 |
| Yes | 120 (48.9%) | 253,352 | 47.4 | (0.9–1.4) | |
| Physical activity | |||||
| Low | 130 (51.0%) | 259,284 | 50.1 | 1.0 | 0.17 |
| Moderate | 64 (25.1%) | 154,389 | 41.5 | 0.8 (0.6–1.1) | |
| High | 61 (23.4%) | 141,059 | 43.2 | 0.9 (0.6–1.2) | |
| History of diabetes | |||||
| No | 232 (91.3%) | 531,889 | 43.6 | 1.0 | 0.007 |
| Yes | 22 (8.7%) | 27,667 | 79.5 | 1.9 (1.2–3.0) |