Table 3. The participants’ mean scores of knowledge, constructs of the Health Belief Model, and behaviors to prevent pediculosis.
| Variable | Before the intervention | After the intervention | Mean change | P* value | |||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||||
| Knowledge | Intervention group | 12.32 | 2.03 | 14.95 | 1.71 | 2.63 | < 0.001 |
| Control group | 12.04 | 2.47 | 12.65 | 2.28 | 0.61 | 0.026 | |
| Independent t-test | P = 0.414 | P < 0.001 | |||||
| Perceived susceptibility | Intervention group | 13.86 | 3.31 | 15.68 | 2.98 | 1.82 | <0.001 |
| Control group | 14.25 | 3.67 | 14.31 | 3.22 | 0.06 | 0.845 | |
| Independent t-test | P = 0.460 | P = 0.004 | |||||
| Perceived severity | Intervention group | 10.71 | 3.70 | 16.01 | 3.96 | 5.3 | <0.001 |
| Control group | 12.08 | 3.88 | 12.80 | 3.58 | 0.72 | 0.017 | |
| Independent t-test | P = 0.017 | P < 0.001 | |||||
| Perceived benefits | Intervention group | 13.48 | 3.71 | 15.57 | 3.25 | 2.09 | < 0.001 |
| Control group | 13.30 | 4.50 | 13.52 | 4.52 | 0.22 | 0.522 | |
| Independent t-test | P = 0.774 | P = 0.001 | |||||
| Perceived barriers | Intervention group | 16.87 | 2.40 | 15.95 | 3.37 | 0.92 | 0.048 |
| Control group | 15.43 | 3.43 | 15.16 | 3.72 | 0.27 | 0.592 | |
| Independent t-test | P = 0.182 | P = 0.007 | |||||
| Self-efficiency | Intervention group | 16.87 | 2.40 | 17.86 | 2.00 | 0.99 | < 0.001 |
| Control group | 16.40 | 3.07 | 16.76 | 2.54 | 0.36 | 0.260 | |
| Independent t-test | P = 0.256 | P = 0.002 | |||||
| Behavior | Intervention group | 8.41 | 1.70 | 8.98 | 1.29 | 0.57 | < 0.001 |
| Control group | 8.57 | 1.71 | 8.92 | 1.81 | 0.35 | 0.063 | |
| Independent t-test | P = 0.284 | P = 0.001 | |||||
* Paired t-test