Table 2.
Measurements of parental adherence determinants
| Adherence Determinant | Scale Used | Score Range | Examples |
|---|---|---|---|
| Treatment attitude | Adherence Determinants Questionnaire–Perceived Utility Subscale* | 8–40 (Likert) | “I believe that my child’s treatment plan will prevent an exacerbation.” |
| Motivation | Theory of reasoned action (one item)† | 1–7 (Likert) | “When it comes to my child’s health, I want to do/don’t want to do what my child’s pulmonologist thinks I should do.” |
| Perceived behavioral norms | Theory of reasoned action† | 3–21 (Likert) | “Most people who are important to me think I should/should not make sure my child’s airway clearance gets done the number of times recommended by our doctor each day.” |
| Self-efficacy | Created from Bandura’s guidelines‡ | 0–1,100 | “Please rate how certain you are that you can make sure that your child does his/her treatment the number of times recommended by your doctor each day.” |
| Adherence intentions | Theory of reasoned action (three items)† | 3–21 | “I intend to have my child do airway clearance the number of times recommended by our doctor each day over the next month.” |