Table 4 Item Scaling Tests: Convergent and Disconvergent validity for OMQoL dimensions
From: Validity and reliability of the Persian version of the oropharyngeal Mucositis quality of life scale
Dimensions | Number of Items | Item-Convergent Validity (Range of Correlation) | Correlation > 0.4 | Scaling success | Item-Discriminant Validity (Range of Correlation) |
|---|---|---|---|---|---|
Symptoms | 9 | − 0.94 | 9 | 100% | 0.15–0.43 |
Diet | 10 | 0.78–0.90 | 10 | 100% | 0.37–0.50 |
Social function | 7 | 0.90–0.96 | 7 | 100% | 0.18–0.26 |
Swallowing | 5 | 0.92–0.95 | 5 | 100% | 0.23–0.34 |