| Variables | Odds ratio | 95% C.I | p-value* |
| Work experience (in years) |
| ||
| ≤1 | 1.14 | (0.05 - 24.96) | 0.932 |
| 2 - 4 | 7.41 | (0.23 - 237.72) | 0.258 |
| 5 - 10 | 7.00 | (0.10 - 472.57) | 0.365 |
| >10 | 1.00 |
| |
| Had in-service training on SPIC |
| ||
| Yes | 0.04 | (0.003 - 0.49) | 0.012* |
| No | 1.00 |
|