Table 5 Internal consistency and test–retest reliability of the COHL (N = 370)
From: A new comprehensive oral health literacy scale: development and psychometric evaluation
|  | No. of items | Cronbach’s α (n = 370) | Test–retest reliability (n = 30) |
|---|---|---|---|
Oral Health knowledge | 5 | 0.727 | 0.894* (P = 0.002) |
Oral Health belief | 6 | 0.512 | 0.832* (P < 0.001) |
Oral Health skill | 9 | 0.623 | 0.929* (P < 0.001) |
Functional Oral Health literacy | 10 | 0.737 | 0.941* (P = 0.004) |
Total: COHL | 30 | 0.777 | 0.979* (P = 0.003) |