alexa Structural Validity and Reliability of the Dutch Older Patient in Acute Care Survey (OPACS), Measuring Nurses Attitude towards Older Patients | OMICS International | Abstract
ISSN: 2167-7182

Journal of Gerontology & Geriatric Research
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Research Article

Structural Validity and Reliability of the Dutch Older Patient in Acute Care Survey (OPACS), Measuring Nurses Attitude towards Older Patients

Jeroen Dikken1*, Jita G Hoogerduijn1, Sharon Klaassen2 and Marieke J Schuurmans1,3

1Research Group Care for the Chronically Ill, Faculty of Health Care, University of Applied Sciences Utrecht, Utrecht, The Netherlands

2Independent Statistician, The Netherlands

3Department of Rehabilitation, Nursing Sciences and Sports, Utrecht University, Utrecht, The Netherlands

*Corresponding Author:
Jeroen Dikken
Research Group Care for the Chronically Ill
Faculty of Health Care
University of Applied Sciences Utrecht
Heidelberglaan 7, P.O. Box 85182 - 3508 AD
3584CS Utrecht, The Netherlands
Tel: +31 (0)6 18 842 336
E-mail: [email protected]

Received date: January 27, 2017; Accepted date: February 06, 2017; Published date: February 08, 2017

Citation: Dikken J, Hoogerduijn JG, Klaassen S, Schuurmans MJ (2017) Construct Validity and Reliability of the Dutch Older Patient in Acute Care Survey (OPACS), Measuring Nurses’ Attitude towards Older Patients. J Gerontol Geriatr Res 6:393. doi: 10.4172/2167-7182.1000393

Copyright: © 2017 Dikken J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Background: In clinical practice, nurses’ attitudes regarding older patients are important in relation to quality of care. The Older People in Acute Care Survey (OPACS) is an instrument measuring hospital nurses attitudes regarding older patients and validated in Australia and the USA. The OPACS is translated in Dutch language and content validity of this translation is previously assessed, presenting questionable results. Measurement instruments, however, cannot be “validated” based on content validity evidence alone. Judgmental evidence and statistical analysis should be combined to fully evaluate content domain definition and representation and guide further development.

Objective: Assess structural validity and reliability to fully evaluate the OPACS for use in the Netherlands, complementing previous conducted content validity results.

Design: Cross-sectional.

Setting: Three general hospitals in the Netherlands.

Participants: 201 registered nurses.

Methods: Confirmatory factor analysis was used to assess the structural validity. Reliability was assessed with Cronbach’s alpha.

Results: OPACS Section A (measuring practice experiences) demonstrated to have acceptable structural validity- and good reliability outcomes after exclusion of two items (model fit: x² [df=537]=8475.40, p <0.001, CFI=0.96, TLI=0.96, RMSEA=0.21; Cronbach’s alpha=0.82). Section B (measuring general opinion) demonstrated to have inadequate structural validity outcomes (model fit: x² [df=1127]=9200.29, p<0.001, CFI=0.68, TLI=0.67, RMSEA=0.15). None of the items contributed significant to the factor and therefore no further analysis could be performed (range p(>|z|)= 0.551 -0 .788).

Conclusion: Even though structural validity for section A was acceptable, content validity scores of a majority of items in this subscale were low, resulting in questionable use of this subscale for the Dutch context. The findings of this study, in relation to the earlier findings regarding content validity, justify the conclusion that use of the Dutch OPACS in clinical practice and research is not recommended. Given these findings, future research should pursue the development or (cross-cultural) validation of other instruments measuring hospital nurses attitudes towards older patients for the Dutch cultural context. Furthermore, this study demonstrated the influence of cultural differences on measurement instruments and the need for rigorous research before using a measurement instrument in a new culture or context.

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