Table 3 The characteristics of the tools developed in three areas predisposing, enabling, and reinforcing factors
Factor | Structure | Number of questions | Response scale | How to respond | The scope of questions | CVR | CVI | Cronbach’s alpha | Internal correlation coefficient |
|---|---|---|---|---|---|---|---|---|---|
*Demographic characteristics |  | 11 | – | Self-Reporting | – | – | – | – |  |
|  | Knowledge | 24 | multiple choice | Self-Reporting | 0–24 | 0.95 | 0.96 | – | 0.84 |
Predisposing Factors | Attitude | 7 | Three-part Likert | Self-Reporting | 7–21 | 0.94 | 0.97 | 0.72 |  |
Perceived susceptibility | 3 | Three-part Likert | Self-Reporting | 3–9 | 1 | 0.93 | 0.68 |  | |
Perceived severity | 10 | Three-part Likert | Self-Reporting | 10–30 | 0.96 | 0.96 | 0.90 |  | |
Perceived benefits | 11 | Three-part Likert | Self-Reporting | 11–33 | 1 | 0.99 | 0.78 |  | |
Subjective norms | 3 | Three-part Likert | Self-Reporting | 3–9 | 1 | 1 | 0.73 |  | |
Observational learning | 3 | Three-part Likert | Self-Reporting | 3–9 | 1 | 1 | 0.85 |  | |
The motivation to comply | 3 | Three-part Likert | Self-Reporting | 3–9 | 1 | 1 | 0.88 |  | |
Enabling Factors | Perceived barriers | 6 | Three-part Likert | Self-Reporting | 6–18 | 1 | 1 | 0.80 |  |
Self-efficacy | 5 | Yes - to some extent - no | Self-Reporting | 5–15 | 1 | 1 | 0.78 |  | |
Perceived behavioral control | 6 | Yes - to some extent - no | Self-Reporting | 6–18 | 0.96 | 0.98 | 0.79 |  | |
Behavioral preferences | 5 | Three-part Likert | Self-Reporting | – | 1 | 1 | – |  | |
Brushing skill | 12 | Yes No | Checklist- Observation | 0–12 | – | – | 0.82 |  | |
Reinforcing Factors | Social reinforcement | 5 | Three-part Likert | Self-Reporting | 5–15 | 1 | 1 | 0.85 |  |
Social support | 4 | Three-part Likert | Self-Reporting | 4–12 | 1 | 1 | 0.76 |  | |
|  | Behavior | 21 | Yes- No | **check list- | 0–21 | – | – | – |  |
|  | Behavioral intention | 4 | Yes- No | Self-Reporting | 0–4 | 0.95 | 1 | 0.82 |  |