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Reliability, Validity and Measurement Invariance of the Simplified Medication Adherence Questionnaire (SMAQ) among HIV-Positive Women in Ethiopia: A Quasi-Experimental Study

Citation

Agala, C. Bernard; Fried, Bruce J.; Thomas, James C.; Reynolds, Heidi W.; Hassmiller Lich, Kristen; Whetten, Kathryn D.; Zimmer, Catherine R.; & Morrissey, Joseph P. (2020). Reliability, Validity and Measurement Invariance of the Simplified Medication Adherence Questionnaire (SMAQ) among HIV-Positive Women in Ethiopia: A Quasi-Experimental Study. BMC Public Health, 20, 567. PMCID: PMC7189687

Abstract

BACKGROUND: Adherence to antiretroviral therapy is critical to the achievement of the third target of the UNAIDS Fast-Track Initiative goals of 2020-2030. Reliable, valid and accurate measurement of adherence are important for correct assessment of adherence and in predicting the efficacy of ART. The Simplified Medication Adherence Questionnaire is a six-item scale which assesses the perception of persons living with HIV about their adherence to ART. Despite recent widespread use, its measurement properties have yet to be carefully documented beyond the original study in Spain. The objective of this paper was to conduct internal consistency reliability, concurrent validity and measurement invariance tests for the SMAQ.

URL

http://dx.doi.org/10.1186/s12889-020-08585-w

Reference Type

Journal Article

Journal Title

BMC Public Health

Author(s)

Agala, C. Bernard
Fried, Bruce J.
Thomas, James C.
Reynolds, Heidi W.
Hassmiller Lich, Kristen
Whetten, Kathryn D.
Zimmer, Catherine R.
Morrissey, Joseph P.

Year Published

2020

Volume Number

20

Pages

567

PMCID

PMC7189687

Reference ID

12715