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City of Hope Quality of Life-Ostomy Questionnaire Validity and Reliability Assessment on a Croatian Sample

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Department of Public Health, Faculty of Medicine, University of Ljubljana, Poljanski nasip 58, Ljubljana 1000, Slovenia
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University of Applied Health Sciences, Mlinarska cesta 38, Zagreb 10 000, Croatia
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Department of Surgery, Clinical Hospita l”Sveti Duh”, Sveti duh 64, Zagreb 10 000, Croatia
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Department of Surgery, University Hospital Rijeka, Krešimirova ul.42, Rijeka 51 000, Croatia
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Department of Surgery, Faculty of Medicine, University of Rijeka, Ul. Braće Brancetta 20/1, Rijeka 51 000, Croatia
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Faculty of Health Studies, University of Rijeka, Viktora Cara Emina 5, Rijeka 51 000, Croatia
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Radenka Munjas Samarin, SmartUp Healthcare Market Research, Savska cesta 22, Zagreb 10 000, Croatia
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Department of Family Medicine, Faculty of Medicine, University of Ljubljana, Poljanski nasip 58, Ljubljana 1000, Slovenia
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Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(3), 768; https://doi.org/10.3390/ijerph17030768
Received: 13 December 2019 / Revised: 20 January 2020 / Accepted: 22 January 2020 / Published: 25 January 2020
The aim of this study was to validate City of Hope Quality of Life-Ostomy Questionnaire (CoH-QoL-OQ) for assessing the quality of life (QoL) of ostomy patients in the Republic of Croatia. The CoH-QoL-OQ is widely used, but has not been translated or validated so it can be used in the Republic of Croatia. This cross-sectional study encompassed 302 surgery patients with colostomy, ileostomy, or urostomy (182 (60.3%) male and 120 (39.7%) female), whose average age is 59 (M = 59.3, SD = 15.8). The CoH-QoL-OQ was translated into Croatian language using accepted guidelines for translation. Patients were recruited in a telephone conversation, followed by mail containing the CoH-QoL–OQ delivered to the home addresses of the patients who agreed to participate. The collected data were analyzed to verify psychometric properties of the questionnaire on the Croatian sample. All subscales showed high level of internal consistency (Cronbach α = 0.73–0.89). The test-retest reliability indicated a very satisfactory temporal stability (r = 0.99). The Confirmatory Factor Analysis (CFA), showed that the originally established model was not adequate for the data (χ2 = 4237.88, p < 0.01, CFI = 0.540, NNFI = 0.481, RMSEA = 0.113). However, after modification that excluded problematic items, the data showed a better fit with the theoretical model (except for the LR chi-square test that remained statistically significant: χ2 = 1144.28, p < 0.01, CFI = 0.869, NNFI = 0.855 RMSEA = 0.077). We conclude that the CoH-QoL-OQ is a valid, reliable, and reducible instrument for measuring the health-related quality of life (HRQoL) among Croatian patients with ostomy in clinical research and clinical practice. View Full-Text
Keywords: validation; CoH-QoL-OQ; ostomy; quality of life; HRQoL validation; CoH-QoL-OQ; ostomy; quality of life; HRQoL
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MDPI and ACS Style

Konjevoda, V.; Zelić, M.; Munjas Samarin, R.; Petek, D. City of Hope Quality of Life-Ostomy Questionnaire Validity and Reliability Assessment on a Croatian Sample. Int. J. Environ. Res. Public Health 2020, 17, 768. https://doi.org/10.3390/ijerph17030768

AMA Style

Konjevoda V, Zelić M, Munjas Samarin R, Petek D. City of Hope Quality of Life-Ostomy Questionnaire Validity and Reliability Assessment on a Croatian Sample. International Journal of Environmental Research and Public Health. 2020; 17(3):768. https://doi.org/10.3390/ijerph17030768

Chicago/Turabian Style

Konjevoda, Vesna, Marko Zelić, Radenka Munjas Samarin, and Davorina Petek. 2020. "City of Hope Quality of Life-Ostomy Questionnaire Validity and Reliability Assessment on a Croatian Sample" International Journal of Environmental Research and Public Health 17, no. 3: 768. https://doi.org/10.3390/ijerph17030768

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