From: A new comprehensive oral health literacy scale: development and psychometric evaluation
 | Range of scores | Mean ± SD | t | P* | |
---|---|---|---|---|---|
 | Scores of PH | Scores of PL | |||
Knowledge | 0–5 | 3.4 ± 1.3 | 1.0 ± 1.4 | 12.8 | < 0.001 |
Belief | 0–6 | 5.7 ± 0.5 | 4.5 ± 1.3 | 8.6 | < 0.001 |
Skill | 0–9 | 5.4 ± 1.8 | 2.0 ± 1.4 | 15.1 | < 0.001 |
FOHL | 0–10 | 8.2 ± 1.5 | 3.5 ± 2.1 | 18.2 | < 0.001 |
Total | 0–30 | 22.6 ± 1.7 | 11.0 ± 2.8 | 35.1 | < 0.001 |