Table 1 Demographics of the study participants (N = 1233)
Characteristics | N (%) |
|---|---|
Sex | |
 Male | 621 (50.4) |
 Female | 612 (49.6) |
Age, yrs. | |
 Group A (25–29) | 306 (24.8) |
 Group B (30–39) | 306 (24.8) |
 Group C (40–49) | 320 (26.0) |
 Group D (50–59) | 301 (24.4) |