Psychometric Testing of the Bahasa Version of the Brief Illness Perception Questionnaire among Indonesians with Type 2 Diabetes Mellitus

Yohanes Andy Rias, Andi Hayyun Abiddin, Nuh Huda, Sri Handayani, Healthy Seventina Sirait, Li-Chung Pien, Shuen-Fu Weng and Hsiu-Ting Tsai
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Yohanes Andy Rias: Faculty of Health and Medicine, Institut Ilmu Kesehatan Bhakti Wiyata Kediri, College of Nursing, Kediri 64114, Indonesia
Andi Hayyun Abiddin: Nursing Department, College of Nursing, Politeknik Kesehatan Kemenkes Malang, Malang 65112, Indonesia
Nuh Huda: Sekolah Tinggi Ilmu Kesehatan Hang Tuah, Surabaya 60244, Indonesia
Sri Handayani: Nursing Program, Sekolah Tinggi Ilmu Kesehatan Yogyakarta, Yogyakarta 55162, Indonesia
Healthy Seventina Sirait: Nursing Program, Sekolah Tinggi Ilmu Kesehatan Cirebon, Cirebon 45153, Indonesia
Li-Chung Pien: Post-Baccalaureate Program in Nursing, College of Nursing, Taipei Medical University, Taipei 11031, Taiwan
Shuen-Fu Weng: Department of Internal Medicine, Division of Endocrinology and Metabolism, Taipei Medical University Hospital, Taipei 11031, Taiwan
Hsiu-Ting Tsai: Post-Baccalaureate Program in Nursing, College of Nursing, Taipei Medical University, Taipei 11031, Taiwan

IJERPH, 2021, vol. 18, issue 18, 1-14

Abstract: The Brief Illness Perception Questionnaire (B-IPQ) has been recommended to validate illness perception. Nevertheless, this measurement has yet to be validated with an assessment of the construct and convergent validities and reliability in Indonesia. Our study aimed to psychometrically test the 8-item B-IPQ among Indonesians with type 2 diabetes mellitus (T2DM). Data included 294 patients with T2DM with stratified multistage clustering. The 36-item Short Form Survey, 21-item Depression Anxiety Stress Scale, and fasting blood glucose (FBG) were used to examine convergence and divergence. The validity analysis included the construct and convergent validities with significant person correlations. Cronbach’s alpha, composite reliability (CR), and average variance extracted (AVE) were used to assess reliability. Confirmatory and exploratory factor analyses indicated a multidimensional structure, including cognitive with a five-item structure and emotional illness representation with a three-item structure, with an acceptable goodness of model fit. The tool revealed good internal consistency for the cognitive, emotional, and overall domains and was positively moderately correlated with FBG, stress, anxiety, and depression but negatively correlated with the overall quality of life and mental and physical component scores. Findings provide empirical evidence that the Bahasa version of the B-IPQ showed adequate internal consistency, exploratory and confirmatory, and thus is valid and reliable for illness perception assessments among Indonesians with T2DM.

Keywords: Bahasa version; brief illness perception questionnaire; psychometrics; reliability; type 2 diabetes; validity (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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