The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease

Brzoska P, Yilmaz-Aslan Y, Sultanaglu E, Sultanaglu B, Razum O (2012)
BMC Public Health 12(1): 852.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Brzoska, PatrickUniBi; Yilmaz-Aslan, YüceUniBi; Sultanaglu, Eda; Sultanaglu, Bülent; Razum, OliverUniBi
Abstract / Bemerkung
Background The Revised Illness Perception Questionnaire (IPQ-R) has been used extensively in the study of illness perceptions across different populations. Only few confirmatory factor analytic (CFA) studies of the questionnaire are available. This study examines the construct and discriminant validity of the Turkish IPQ-R in patients with diabetes and cardiovascular disease focusing on the hypothesized seven dimensions of personal controllability, treatment controllability, timeline acute/chronic, timeline cyclical, coherence, consequences and emotional representations. Methods 302 patients (60.6% women) with a medically confirmed diagnosis of diabetes or cardiovascular disease and a mean age of 53.9 years were recruited from out-patient clinics in Turkey and surveyed by means of standardized interviews. Direct maximum likelihood confirmatory factor analysis was conducted. Results Several areas of ill-fit were identified in the original measurement model of the IPQ-R. Four items (items 17, 19, 20, and 31) were deleted because of poor factor loadings. Also, two error covariances (between items 33 and 34 and between items 7 and 8) were added and item 6 respecified to obtain a good model fit. The modified 34-item model showed good reliability and discriminant validity. Conclusion In accordance with studies on other language adaptations of the questionnaire, we identified certain items of the IPQ-R as potential sources of poor model fit. Their inclusion should be reconsidered in future applications of the questionnaire and researchers should examine whether our reduced set of items is stable across different populations. Our modified 34-item model showed a good reliability and discriminant validity and hence could be a valuable instrument in the assessment of illness perceptions in the Turkish health care setting, provided that the model is confirmed in subsequent research.
Erscheinungsjahr
2012
Zeitschriftentitel
BMC Public Health
Band
12
Ausgabe
1
Art.-Nr.
852
ISSN
1471-2458
Page URI
https://pub.uni-bielefeld.de/record/2537629

Zitieren

Brzoska P, Yilmaz-Aslan Y, Sultanaglu E, Sultanaglu B, Razum O. The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease. BMC Public Health. 2012;12(1): 852.
Brzoska, P., Yilmaz-Aslan, Y., Sultanaglu, E., Sultanaglu, B., & Razum, O. (2012). The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease. BMC Public Health, 12(1), 852. doi:10.1186/1471-2458-12-852
Brzoska, P., Yilmaz-Aslan, Y., Sultanaglu, E., Sultanaglu, B., and Razum, O. (2012). The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease. BMC Public Health 12:852.
Brzoska, P., et al., 2012. The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease. BMC Public Health, 12(1): 852.
P. Brzoska, et al., “The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease”, BMC Public Health, vol. 12, 2012, : 852.
Brzoska, P., Yilmaz-Aslan, Y., Sultanaglu, E., Sultanaglu, B., Razum, O.: The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease. BMC Public Health. 12, : 852 (2012).
Brzoska, Patrick, Yilmaz-Aslan, Yüce, Sultanaglu, Eda, Sultanaglu, Bülent, and Razum, Oliver. “The factor structure of the Turkish version of the Revised Illness Perception Questionnaire (IPQ-R) in patients with diabetes and cardiovascular disease”. BMC Public Health 12.1 (2012): 852.
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9 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

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Ulus Y, Tander B, Akyol Y, Terzi Y, Zahiroğlu Y, Sarisoy G, Bilgici A, Kuru Ö., Arch Rheumatol 32(4), 2017
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Using Rasch analysis to evaluate the validity of the diabetes-specific version of the Illness Perception Questionnaire--Revised.
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PMID: 24296741

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