Age and sex distribution of study subjects, Ghizar, Pakistan, 1995
| Age (years) | Male n (%) | Female n (%) |
| 18–29 | 360 (25.60) | 1101 (39.36) |
| 30–39 | 256 (18.21) | 605 (21.63) |
| 40–49 | 236 (16.79) | 447 (15.98) |
| 50–59 | 260 (18.49) | 376 (13.44) |
| 60+ | 294 (20.91) | 268 (9.58) |
| Total | 1406 | 2797 |