Table 1: Demographic data of the participants.
| Demographic data | Frequency (%) | |
| Gender | Male | 156 (17.7) |
| Female | 698 (79.4) | |
| Age | 20-40 | 718 (82.3) |
| > 40-50 | 132 (15.1) | |
| > 50 | 22 (2.5) | |
| Number of year in present unit | 0-5 years | 520 (59.3) |
| > 5-8 years | 95 (10.8) | |
| > 8 years | 261 (29.8) | |
| Number of year in present rank | 0-5 years | 395 (45.1) |
| > 5-8 years | 99 (11.3) | |
| > 8 years | 382 (43.6) | |