Characteristics | Cases (n = 258) | Controls (n = 183) | P value |
Male | 185 (71.7) | 131 (71.6) | 0.978 |
Age, mean (SD), y | 57.72 (10.73) | 56.88 (10.31) | 0.412 |
Educational level |
|
| 0.125 |
Illiteracy | 8 (3.1) | 3 (1.6) |
|
Primary school | 45 (17.4) | 25 (13.7) |
|
Secondary school | 128 (49.6) | 90 (49.2) |
|
University and above | 71 (27.5) | 59 (32.2) |
|
Unknown | 6 (2.3) | 6 (3.3) |
|
Family history | 9 (3.5) | 3 (1.6) | 0.379 |