Table 7 Cronbach alpha of scales
Subscale | Cronbach alpha Statistic (95% CI) |
|---|---|
Perceived susceptibility (4 items) | 0.87 (0.84, 0.89) |
Perceived severity (9 items) | 0.80 (0.76, 0.83) |
Perceived barriers (19 items) | 0.91 (0.89, 0.92) |
Subjective norm (2 items) | 0.79 (0.73. 0.83) |
Overall scale (34 items) | 0.88 (0.86, 0.90) |