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Rasch Modelling to Assess Psychometric Validation of the Knowledge about Tuberculosis Questionnaire (KATUB-Q) for the General Population in Indonesia

Author

Listed:
  • Ikhwan Yuda Kusuma

    (Center of Excellence in Higher Education for Pharmaceutical Care Innovation, Universitas Padjadjaran, Sumedang 45363, Indonesia
    Pharmacy Study Program, Faculty of Health, Universitas Harapan Bangsa, Purwokerto 53182, Indonesia
    Institute of Clinical Pharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Hungary)

  • Deny Nugroho Triwibowo

    (Pharmacy Study Program, Faculty of Health, Universitas Harapan Bangsa, Purwokerto 53182, Indonesia)

  • Arik Dian Eka Pratiwi

    (Faculty of Pharmacy, STIFAR Yayasan Pharmasi Semarang, Semarang 50192, Indonesia)

  • Dian Ayu Eka Pitaloka

    (Center of Excellence in Higher Education for Pharmaceutical Care Innovation, Universitas Padjadjaran, Sumedang 45363, Indonesia
    Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia)

Abstract

Objective: This study aims to validate and evaluate the psychometric properties of the knowledge about tuberculosis questionnaire (KATUB-Q) for the general population in Indonesia. Methods: The KATUB-Q consists of three domains: general knowledge, transmission, and treatment, with 20 dichotomous items. Rasch analysis through WINSTEPS was used. Results: A total of 504 respondents from 34 provinces in Indonesia completed the survey. Based on the model fit statistics, 3 misfit items were deleted and 17 items were used. Item and person reliability, as well as Cronbach’s Alpha values were 0.99, 0.63, and 0.73, respectively, which means they achieved the minimum acceptable limit of 0.6. Based on the results, Indonesia’s Person ability analysis indicated a high level of knowledge. KATUB-Q has no significant bias item based on sex found in the differential item functioning analysis. Conclusion: KATUB-Q has 17 items with a valid and reliable instrument; hence, it can be used to measure the knowledge about TB in the general population. Practice implications: The unidimensional structure of the core items of the KATUB-Q provides empirical evidence for using the sum score of the items in practice to evaluate the effectiveness of TB education in the general population.

Suggested Citation

  • Ikhwan Yuda Kusuma & Deny Nugroho Triwibowo & Arik Dian Eka Pratiwi & Dian Ayu Eka Pitaloka, 2022. "Rasch Modelling to Assess Psychometric Validation of the Knowledge about Tuberculosis Questionnaire (KATUB-Q) for the General Population in Indonesia," IJERPH, MDPI, vol. 19(24), pages 1-12, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:24:p:16753-:d:1002625
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    References listed on IDEAS

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    1. Hergesell, Anja, 2022. "Using Rasch analysis for scale development and refinement in tourism: Theory and illustration," Journal of Business Research, Elsevier, vol. 142(C), pages 551-561.
    2. Hulisani Matakanye & Takalani Grace Tshitangano & Jabu Tsakani Mabunda & Thelmah Xavela Maluleke, 2021. "Knowledge, Beliefs, and Perceptions of TB and Its Treatment amongst TB Patients in the Limpopo Province, South Africa," IJERPH, MDPI, vol. 18(19), pages 1-15, October.
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