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BMC Oral Health
Published in: BMC Oral Health 1/2014

Open Access 01-12-2014 | Research article

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

Authors: Santosh Kumar Tadakamadla, Mir Faeq Ali Quadri, Amir H Pakpour, Abdulaziz M Zailai, Mohammed E Sayed, Mohammed Mashyakhy, Aadil S Inamdar, Jyothi Tadakamadla

Published in: BMC Oral Health | Issue 1/2014

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Abstract

Background

To evaluate the reliability and validity of Arabic Rapid Estimate of Adult Literacy in Dentistry (AREALD-30) in Saudi Arabia.

Methods

A convenience sample of 200 subjects was approached, of which 177 agreed to participate giving a response rate of 88.5%. Rapid Estimate of Adult Literacy in Dentistry (REALD-99), was translated into Arabic to prepare the longer and shorter versions of Arabic Rapid Estimate of Adult Literacy in Dentistry (AREALD-99 and AREALD-30). Each participant was provided with AREALD-99 which also includes words from AREALD-30. A questionnaire containing socio-behavioral information and Arabic Oral Health Impact Profile (A-OHIP-14) was also administered. Reliability of the AREALD-30 was assessed by re-administering it to 20 subjects after two weeks. Convergent and predictive validity of AREALD-30 was evaluated by its correlations with AREALD-99 and self-perceived oral health status, dental visiting habits and A-OHIP-14 respectively. Discriminant validity was assessed in relation to the educational level while construct validity was evaluated by confirmatory factor analysis (CFA).

Results

Reliability of AREALD-30 was excellent with intraclass correlation coefficient of 0.99. It exhibited good convergent and discriminant validity but poor predictive validity. CFA showed presence of two factors and infit mean-square statistics for AREALD-30 were all within the desired range of 0.50 - 2.0 in Rasch analysis.

Conclusions

AREALD-30 showed excellent reliability, good convergent and concurrent validity, but failed to predict the differences between the subjects categorized based on their oral health outcomes.
Appendix
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Metadata
Title
Reliability and validity of Arabic Rapid Estimate of Adult Literacy in Dentistry (AREALD-30) in Saudi Arabia
Authors
Santosh Kumar Tadakamadla
Mir Faeq Ali Quadri
Amir H Pakpour
Abdulaziz M Zailai
Mohammed E Sayed
Mohammed Mashyakhy
Aadil S Inamdar
Jyothi Tadakamadla
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2014
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/1472-6831-14-120

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