Abstract
Background
The quality of well being self-administered (QWB-SA) questionnaire is one of the generic instruments which can be used to measure the utility score to assess the quality-adjusted life years (QALYs) as an outcome parameter in pharmacoeconomics study. This research aimed to study the translation, cultural adaptation, and validation of the QWB-SA questionnaire in Indonesian language.
Methods
This research was conducted among the general population of 459 people in Yogyakarta city. The translation was done using the forward-backward method by independent linguists, and then reviewed by a team consisting of linguists, methodologists, and pharmacists. The psychometric evaluations included face validity, internal-construct validity, convergent validity, and known-group validity tests, while the reliability test was the test-retest of reliability with the Spearman’s rank correlation and Pearson test.
Results
The translation results and cultural adaptations were modified from the aspect of idiomatic, semantic and conceptual equivalence of the items on the QWB-SA questionnaire. The internal-construct validity showed a very strong and moderate correlation among dimensions and the QWB utility index. The convergent validity showed moderate-to-weak correlation compared to the Euro-quality of life-5 dimension questionnaire. The reliability test showed the Cronbach alpha coefficient of 0.626, and the test-retest of reliability showed a strong and moderate correlation.
Conclusions
The QWB-SA questionnaire is valid and reliable, and can be used as an alternative to measure utility as a QALY’s parameter in the health-economic evaluation.
Research funding: None declared.
Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Competing interests: Authors state no conflict of interest.
Informed consent: Informed consent was obtained from all individuals included in this study.
Ethical approval: Research involving human subjects complied with all relevant national regulations, institutional policies and is in accordance with the tenets of the Helsinki Declaration (as revised in 2013), and has been approved by the Ethics Committee of the Medical Faculty of Universitas Gadjah Mada Yogyakarta, with the numbers of KE/FK/0930/EC/2018.
References
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Articles in the same Issue
- Reviews
- Pharmacist contributions in the treatment of diabetes mellitus in Southeast Asia: a narrative review
- The implementation of a chronic disease management program (Prolanis) in Indonesia: a literature review
- Original Articles
- Quercetin attenuates acute predator stress exposure-evoked innate fear and behavioral perturbation
- Evaluating current practices and policies in the use of injectable medicines for treating myalgia in a primary care center in Pamekasan, Indonesia
- The contemporary role and potential of pharmacist contribution for community health using social media
- Evaluation of rational drug use based on World Health Organization prescribing indicators in a primary care center in Pamekasan East Java, Indonesia
- The prescription patterns of second-generation antipsychotics in schizophrenia outpatient setting
- Factors affecting community pharmacist’s service for women with chronic diseases during pregnancy and breastfeeding: application of the Health Belief Model
- Overview of therapeutic changes in antiepileptic drugs in adult patients
- Exploration of barriers affecting job satisfaction among community pharmacists
- Patients’ characteristics and their adherence to insulin therapy
- Correlation of chemotherapy costs with quality of life in nasopharyngeal cancer patients
- Impact of educational preeclampsia prevention booklet on knowledge and adherence to low dose aspirin among pregnant women with high risk for preeclampsia
- Translation, cultural adaptation, and validation of the quality of well being self-administered questionnaire in general population in Indonesia
- Knowledge, attitude, and practice of pharmacists towards management of hypertension in primary care centers
- Medication adherence in diabetes mellitus patients at Tanjung Karang Primary Health Care Center, Mataram
- Decreasing angiogenesis vasa vasorum through Lp-PLA2 and H2O2 inhibition by PSP from Ganoderma lucidum in atherosclerosis: in vivo diabetes mellitus type 2
- Antiaggregation effect of clopidogrel in coronary heart disease patients using omeprazole
- The effect of curcuma (Curcuma xanthorrizha roxb.) extract as an adjuvant of captopril therapy on cardiac histopathology of male mice (Mus musculus) with hypertension
- Coenzyme Q10 nanostructured lipid carriers as an inducer of the skin fibroblast cell and its irritability test in a mice model
- Medical problems in patients with chronic kidney disease undergoing hemodialysis and their therapy
- ADMET properties of novel 5-O-benzoylpinostrobin derivatives
- Development of nonalcoholic fatty liver disease model by high-fat diet in rats
- Molecular docking of novel 5-O-benzoylpinostrobin derivatives as wild type and L858R/T790M/V948R mutant EGFR inhibitor
- The relationship between the level of education and accuracy of insulin injection techniques in DM patients with measurement of HbA1c values
- The effect of premixed insulin to blood glucose concentration in patients with type 2 diabetes mellitus
- Intravenous insulin therapy in diabetes mellitus with hyperglycemic crisis and intercurrent illness
- Adherence behavior assessment of oral antidiabetic medication use: a study of patient decisions in long-term disease management in primary health care centers in Surabaya
- Evaluation to the chemotherapy use in patients with diffuse large B-cell lymphoma
- Analysis of the use and cost of stress ulcer prophylaxis for surgical inpatients
- Antineuroinflammation activity of n-butanol fraction of Marsilea crenata Presl. in microglia HMC3 cell line
- The enhancement of Arg1 and activated ERβ expression in microglia HMC3 by induction of 96% ethanol extract of Marsilea crenata Presl. leaves
- Ternary solid dispersion to improve solubility and dissolution of meloxicam
- Improving solubility and dissolution of meloxicam by solid dispersion using hydroxypropyl methylcellulose 2910 3 cps and nicotinamide
- o-Hydroxycinnamic derivatives as prospective anti-platelet candidates: in silico pharmacokinetic screening and evaluation of their binding sites on COX-1 and P2Y12 receptors
- The change of proinflammatory cytokine tumor necrosis factor α level in the use of meloxicam in rat model of osteoarthritis
- Attenuation of IL-1ß on the use of glucosamine as an adjuvant in meloxicam treatment in rat models with osteoarthritis
- Analysis of effectiveness and drug related problems of pain reliever for knee osteoarthritis: weighing clinical risk and benefit
- Comparison of antibiotic prescriptions in adults and children with upper respiratory tract infections in Bangka Tengah primary health care centers
- Profile of sociodemographics, sources of infection, antiretrovirals and CD4 counts on HIV/AIDS outpatients in Turen Primary Health Centre, Indonesia
- Synergistic anti-hepatitis C virus activity of Ruta angustifolia extract with NS3 protein inhibitor
- In vitro equivalence of generic and branded amoxicillin tablet by microbiological assay method
- Knowledge and attitude: two fundamental factors that determine patient compliance in antibiotic therapy
- Molecular docking study of sappan wood extract to inhibit PBP2A enzyme on methicillin-resistant Staphylococcus aureus (MRSA)
- Effect of curcumin analogue synthetic product from cullilawan oil for the liver damage treatment in male mice (Mus musculus L.)
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