Validating a tool to assess eye health knowledge, attitude and practice in Cambodia and Vietnam

Article


Prasad, Noela, Ormsby, Gail M. and Finger, Robert P.. 2019. "Validating a tool to assess eye health knowledge, attitude and practice in Cambodia and Vietnam." International Journal of Ophthalmology. 12 (11), pp. 1767-1774. https://doi.org/10.18240/ijo.2019.11.16
Article Title

Validating a tool to assess eye health knowledge, attitude and practice in Cambodia and Vietnam

ERA Journal ID210694
Article CategoryArticle
AuthorsPrasad, Noela, Ormsby, Gail M. and Finger, Robert P.
Journal TitleInternational Journal of Ophthalmology
Journal Citation12 (11), pp. 1767-1774
Number of Pages8
Year2019
Place of PublicationChina
ISSN2222-3959
2227-4898
Digital Object Identifier (DOI)https://doi.org/10.18240/ijo.2019.11.16
Web Address (URL)https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6848874/
Abstract

AIM: To develop an eye health knowledge, attitude and practice (EH-KAP) field-based assessment tool for use in implementing effective eye health care services. METHODS: An instrument development and validation study. A Vietnam EH-KAP dataset were used to identify and eliminate redundant questions to develop a standardized tool. Face validity was assessed by the KAP survey team. Internal validity (congruency/criterion) was assessed by comparing descriptive analysis of two datasets (n=531; n=38) collected from the same sampling frame at different time points. Weighted scores were calculated for each construct. Kappa values for test-retest and inter-observer agreement were calculated to check the reliability of responses. The modified version was assessed by analysing the raw and ungrouped data. Responses were weighted and agreement was tested by comparing construct scores. RESULTS: Totally 38 respondents were included in this validation process (mean age 58.5y). Mean scores for knowledge were 9.15 (old questionnaire n=531) and 5.05 (modified version). For attitude, the scores were 2.23 and 2.42, and for practice the scores were 3.33 and 2.21. Test-retest agreement was between 62% to 93% (Kappa 0.24 to 0.86) for the ungrouped raw data, and 55% to 72% (Kappa 0.42 to 0.65) for KAP domain. Inter-observer Kappa value for ungrouped data was 0.37 and 0.45 for the weighted scores. CONCLUSION: This standardized tool applied at critical time points can assess trends in KAP within the same population and for comparison across groups. If used alongside a Rapid Assessment of Avoidable Blindness (RAAB), this tool provides a comprehensive perspective on eye-health of a population.

KeywordsAttitude; Practice; questionnaire; Validation; knowledge; attitude; practice; eye health; knowledge
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Byline AffiliationsVictoria University
Victorian Aboriginal Community Controlled Health Organisation, Australia
School of Education
Avondale College of Higher Education, Australia
University of Bonn, Germany
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