Table 1 Characteristics of case patients and control subjects
Characteristics | Case patients | Control subjects | P |
|---|---|---|---|
|  | (N = 360) | (N = 400) |  |
Age (mean ± SD) | 67.8 ± 8.8 | 64.8 ± 9.5 | <0.0001 |
Male, N (%) | 215 (59.7) | 226 (56.5) | 0.58 |
Body mass index (kg/m2) (mean ± SD) | 22.9 ± 3.3 | 22.8 ± 3.2 | 0.62 |
History of diabetes, N (%) | Â | Â | <0.0001 |
No | 269 (74.7) | 362 (90.5) | Â |
Yes | 87 (24.2) | 35 (8.7) | Â |
Unknown | 4 (1.1) | 3 (0.8) | Â |
Smoking status, N (%) | Â | Â | <0.0001 |
Non-smokers | 145 (40.2) | 202 (50.5) | Â |
Former smokers | 119 (33.1) | 140 (35.0) | Â |
Current Smokers | 96 (26.7) | 58 (14.5) | Â |
Alcohol drinking, N (%) | Â | Â | 0.23 |
Non-drinkers | 134 (37.2) | 147 (36.8) | Â |
Former drinkers | 24(6.7) | 16 (4.0) | Â |
Current Drinkers | 202(56.1) | 237(59.2) | Â |
Ethanol intake (g/d), median (25th, 75th percentile) | 24.1 (7.8, 48.9) | 17.5 (5.7, 43.4) | 0.02 |
Dietary folate intake (μg), median (25th, 75th percentile) | 338.9 (280.9, 407.6) | 359.2 (293.0, 438.8) | 0.0007 |