| Variables | Frequency (N = 669) | % |
| Age (years) |
|
|
| Median (IQR) | 27 (24 - 31) |
|
| <25 | 252 | 37.7 |
| 25 - 30 | 217 | 32.4 |
| >30 | 200 | 29.9 |
| Marital Status |
|
|
| Single | 144 | 21.5 |
| Married/Cohabiting | 522 | 78 |
| Others (widow, divorced) | 3 | 0.5 |
| Ownership of telephone |
|
|
| Yes | 608 | 90.9 |
| No | 61 | 9.1 |
| Preferred means of contact |
|
|
| Telephone call | 362 | 54.1 |
| Home visit | 24 | 3.6 |
| Both telephone and home | 270 | 40.4 |
| Refused contact | 2 | 0.3 |
| No means of contact | 3 | 0.5 |