| Sample characteristics | Category | Frequency | Percentage |
| 1. Gender | Male | 104 | 53.9 |
| Female | 89 | 46.1 | |
| 2. Age group | 21 - 30 | 30 | 15.6 |
| 31 - 40 | 45 | 23.3 | |
| 41 - 50 | 63 | 32.6 | |
| 51 - 60 | 55 | 28.5 | |
| 3. Education level | Doctorate | 1 | .5 |
| Master | 65 | 33.7 | |
| Bachelor | 105 | 54.4 | |
| Diploma | 17 | 8.8 | |
| Others | 5 | 2.6 | |
| 4. Teaching experience | 0 - 5 | 35 | 18.1 |
| 6 - 11 | 38 | 19.7 | |
| 12 - 17 | 48 | 24.9 | |
| 18 and above | 73 | 37.3 | |
| 5. Tenure in current PTTC | 0 - 5 | 104 | 53.8 |
| 6 - 11 | 58 | 30.0 | |
| 12 - 17 | 19 | 10 | |
| 18+ | 12 | 6.2 |