Validity and Reliability of Morisky Medication Adherence Scale 8 Bahasa Version to Measure Statin Adherence Among Military Pilots

Abstract

Background: Hypercholesterolemia is the cause of cardiovascular disease which lead to inflight incapacitation. One of the way to control hypercholesterolemia is using statin medication, however there has not been an instrument to measure statin adherence in military pilots in Indonesia. The aim of this study was to analyze the validity and reliability of MMAS 8 Bahasa version to measure statin adherence among military pilot in Indonesia. Methods: MMAS 8 sistematically translated into Bahasa. Validity and reliability test among 40 military pilots in Halim Perdanakusuma Air Force Base was held on April 06th - May 15th 2016. Validity was confirmed using crirerion-related validity. Reliability was tested for internal consistency and test-retest reliability. Results: Most of the pilots (52.5%) had high cholesterol level and 74.4% had low statin adherence. Negative weak correlation and no significant association between cholesterol and statin adherence level (Spearman coefficient -.199, p=0.218) was found. Moderate internal consistency and excellent test-retest reliability were found (Cronbach\u27s α=0.759; Spearman correlation=0.860). Conclusion: Validity and reliability of MMAS 8 Bahasa version has not been able to be used to measure statin adherence among military pilots in Indonesia. (Health Science Journal of Indonesia 2016;7(2):129-133