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Table 3 Discriminant validity of the COHL (N = 370)

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

  1. *Obtained from two independent samples t-test