Table 1 The number of items and sub-items and the maximum and minimum possible score in each scale of the questionnaire
| Â | Â | Item score | |
|---|---|---|---|
Scale | Number of items | Minimum | Maximum |
Knowledge | 36 | 0 | 127 |
Attitude | 16 | 16 | 112 |
Social norms (normative beliefs) | 5 | 5 | 35 |
Self-efficacy (control beliefs) | 17 | 17 | 51 |
Practices | 19 | 19 | 95 |
Total | 93 | Â | Â |