Validitas dan Reliabilitas Instrumen Determinan Kepatuhan Minum Obat pada Pasien Lupus Eritematosus Sistemik
Validity and Reliability of Determinant Instrument of Medication Compliance on Systemic Lupus Erythematosus Patients
DOI:
https://doi.org/10.38215/jutek.v1i1.21Keywords:
adherence determinant, Lupus, reliable instrument, valid instrumentAbstract
Systemic Lupus Erythematosus (SLE) is a chronic autoimmune disease with
unknown etiology so the patient needs long-term treatment to control the
illness. It could impact physical and economic burden due to serious side
effects and high cost treatment that affect drug adherence. The determinants
of drug adherence vary by location due to social, political and cultural
differences. The aim of this study is to obtain a valid and reliable insrument
of drug adherence determinant for SLE patients.
Quantitative research was conducted on 30 SLE patients at Rheumatology
clinic of Dr. Hasan Sadikin Hospital Bandung with consecutive sampling
technique. Data was analyzed by Rasch model.
The validity of 103 instrument item shows: 83 items are fit statistic; all items
are unidimensional and no inter-items conflict; differences of 4 points scale
are understood by the respondent. Reliability shows: items reliability and
strata separation are excellent; responden reliability and strata separation
are good; Cronbach's Alpha is excellent (0.88).
The result of this study is a valid and reliable instrumen of drug adherence
determinants for SLE patient, representing 51 constructs and 13 categories:
individual characteristics, memory, knowledge, experimentation,
consumption management, disease characteristics, drug characteristics,
costs, hospital policies, access to hospitals, enabler agents, characteristics
of health proffesional and social support.
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