Table 1 Internal Consistency and ICCa Coefficients for TPBb-based Questionnaire (n = 40)
Construct | Cronbach’s alpha value (95% CI) | ICC (95% CI) |
|---|---|---|
Attitude | 0.88 (0.64–0.93) | 0.69 (0.7–0.68) |
Subjective Norms | 0.93 (0.81–0.98) | 0.71 (0.68–0.74) |
Perceived Behavioural Control | 0.71 (0.49–0.83) | 0.74 (0.66–0.77) |
Intention | 0.89 (0.78–0.94) | 0.79 (0.69–0.87) |
Total | 0.91 (0.81–0.95) | 0.72 (0.68–0.75) |