Table 2 General characteristics of cases and controls
Variables | Controls (n = 118) | Cases (n = 122) | t/χ2 | P |
|---|---|---|---|---|
Age (years) | ||||
 Mean ± SD | 51.97 ± 12.49 | 50.83 ± 20.04 | 0.530 | 0.597 |
Sex [n(%)] | 1.104 | 0.293 | ||
 Male | 86 (72.9) | 96 (78.7) |  |  |
 Female | 32 (27.1) | 26 (21.3) |  |  |
Marital status [n(%)] | ||||
 Unmarried | 3 (2.5) | 25 (20.5) | 18.777 | < 0.001 |
 Married | 111 (94.1) | 94 (77.0) |  |  |
 Widowed/divorced | 4 (3.4) | 3 (2.5) |  |  |
Smoking [n(%)] | 0.329 | 0.566 | ||
 Never | 72 (61.0) | 70 (57.4) |  |  |
 Ever | 46 (39.0) | 52 (42.6) |  |  |
Drinking [n(%)] | 0.351 | 0.554 | ||
 Never | 83 (70.3) | 90 (73.8) |  |  |
 Ever | 35 (29.7) | 32 (26.2) |  |  |