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Table 2 Descriptive statistics and reliability of AREALD-30 and AREALD-99

From: Reliability and validity of Arabic Rapid Estimate of Adult Literacy in Dentistry (AREALD-30) in Saudi Arabia

 

Mean

SD

Minimum

Maximum

Cohen kappa

ICC (95% CI)

Cronbach's alpha

AREALD-30

21.97

6.85

0

30

0.83

0.992 (0.979-0.997)

0.89

AREALD-99

74.94

20.37

5

99

0.81

1.00 (0.999-1.00)

0.91