Table 5 Content validity of the pre-final version of the DTCQ-8 for other drugs
From: Cross-cultural adaptation of the drug-taking confidence questionnaire drug version for use in Brazil
Item of DTCQ-8 | Clarity of language | Practical relevance | Theoretical relevance |
|---|---|---|---|
1 | 1.000 | 0.889 | 0.889 |
2 | 0.778 | 0.889 | 0.889 |
3 | 1.000 | 0.889 | 0.889 |
4 | 1.000 | 1.000 | 1.000 |
5 | 1.000 | 1.000 | 1.000 |
6 | 1.000 | 1.000 | 1.000 |
7 | 1.000 | 1.000 | 1.000 |
8 | 1.000 | 1.000 | 1.000 |
Average of the items | 0.972 | 0.958 | 0.958 |