Table 2 The characteristics of the valid respondents
| Â | First Assessment | Second Assessment | |||
|---|---|---|---|---|---|
| Â | n | (%) | n | (%) | |
Total valid respondents | 951 | 719 | |||
Gender | Â | Â | |||
 Male |  | 311 | (32.7) | 211 | (29.3) |
 Female |  | 640 | (67.3) | 508 | (70.7) |
Age group (years) | Â | Â | |||
 20–29 |  | 311 | (32.7) | 193 | (26.8) |
 30–39 |  | 244 | (25.7) | 179 | (24.9) |
 40–49 |  | 223 | (23.4) | 164 | (22.8) |
 50–59 |  | 129 | (13.6) | 143 | (19.9) |
 60+ |  | 44 | (4.6) | 40 | (5.6) |
Job | Â | Â | |||
 Medical doctor |  | 157 | (16.5) | 105 | (14.6) |
 Nurse |  | 343 | (36.1) | 166 | (23.1) |
 Others |  | 451 | (47.4) | 448 | (62.3) |