Table 1 Convergent and discriminant validity for the designed questionnaire
Construct | No. items | n | Convergent validity (Range of correlations) | Discriminant validity (Range of correlations) |
|---|---|---|---|---|
Perceived Threat | 6 | 270 | 0.41–0.45 | -0.005–0.28 |
Perceived rewards | 6 | 270 | 0.57–0.76 | -0.566–0.39 |
Perceived efficacy | 6 | 270 | 0.42–0.77 | -0.47–0.51 |
Perceived costs | 3 | 270 | 0.81–0.86 | -.538–0.41 |
Perceived fear | 3 | 270 | 0.82–0.91 | -0.57–0.339 |
Protection motivation | 7 | 270 | 0.52–0.72 | -0.27–0.25 |
Preventive behaviors | 7 | 270 | 0.49–0.67 | -0.012–0.239 |