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Internal consistency and test–retest reliability of the COHL (N = 370)
| 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) |
*Obtained from Pearson relation analysis
