General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States

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Tytuł: General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States
Autor/Autorzy:
Nazwa czasopisma: EUROPEAN JOURNAL OF CANCER
Rok: 2018
ISSN: 0959-8049
DOI: 10.1016/j.ejca.2018.11.024
Adres www:: https://www.sciencedirect.com/science/article/pii/S0959804918315223
Strony od-do:
- 133-141
- 1.02
Język: angielski
Abstrakt: Objective: The computer-adaptive test (CAT) of the European Organisation for Research and Treatment of Cancer (EORTC), the EORTC CAT Core, assesses the same 15 domains as the EORTC QLQ-C30 health-related quality of life questionnaire but with increased precision, efficiency, measurement range and flexibility. CAT parameters for estimating scores have been established based on clinical data from cancer patients. This study aimed at establishing the European Norm for each CAT domain based on general population data. Methods: We collected representative general population data across 11 European Union (EU) countries, Russia, Turkey, Canada and the United States (n # 1000/country; stratified by sex and age). We selected item subsets from each CAT domain for data collection (totalling 86 items). Differential item functioning (DIF) analyses were conducted to investigate crosscultural measurement invariance. For each domain, means and standard deviations from the EU countries (weighted by country population, sex and age) were used to establish a Tmetric with a European general population mean Z 50 (standard deviation Z 10). Results: A total of 15,386 respondents completed the online survey (n Z 11,343 from EU countries). EORTC CAT Core norm scores for all 15 countries were calculated. DIF had negligible impact on scoring. Domain-specific T-scores differed significantly across countries with small to medium effect sizes. Conclusion: This study establishes the official European Norm for the EORTC CAT Core. The European CAT Norm can be used globally and allows for meaningful interpretation of scores. Furthermore, CAT scores can be compared with sex- and age-adjusted norm scores at a national level within each of the 15 countries.
Dyscyplina: pedagogika

002 $a General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States
003 $a Bernhard Holzner (Autor)
003 $a Colin Johnson (Autor)
003 $a Georg Kemmler (Autor)
003 $a Krzysztof Tomaszewski (Autor)
003 $a Annika Waldmann (Autor)
003 $a Teresa Young (Autor)
003 $a Matthias Rose (Autor)
003 $a Sandra Nolte (Autor)
003 $a Gregor Liegl (Autor)
003 $a Morten Petersen (Autor)
003 $a Mogens Groenvold (Autor)
003 $a Neil Aaronson (Autor)
003 $a Anna Costantini (Autor)
003 $a Peter Fayers (Autor)
004 $a Oryginalny artykuł naukowy
006 $a EUROPEAN JOURNAL OF CANCER
008 $a 2018
011 $a 0959-8049
013 $a 10.1016/j.ejca.2018.11.024
014 $a https://www.sciencedirect.com/science/article/pii/S0959804918315223
015 $a 133-141
016 $a 1.02
017 $a angielski
020 $a Objective: The computer-adaptive test (CAT) of the European Organisation for Research and Treatment of Cancer (EORTC), the EORTC CAT Core, assesses the same 15 domains as the EORTC QLQ-C30 health-related quality of life questionnaire but with increased precision, efficiency, measurement range and flexibility. CAT parameters for estimating scores have been established based on clinical data from cancer patients. This study aimed at establishing the European Norm for each CAT domain based on general population data. Methods: We collected representative general population data across 11 European Union (EU) countries, Russia, Turkey, Canada and the United States (n # 1000/country; stratified by sex and age). We selected item subsets from each CAT domain for data collection (totalling 86 items). Differential item functioning (DIF) analyses were conducted to investigate crosscultural measurement invariance. For each domain, means and standard deviations from the EU countries (weighted by country population, sex and age) were used to establish a Tmetric with a European general population mean Z 50 (standard deviation Z 10). Results: A total of 15,386 respondents completed the online survey (n Z 11,343 from EU countries). EORTC CAT Core norm scores for all 15 countries were calculated. DIF had negligible impact on scoring. Domain-specific T-scores differed significantly across countries with small to medium effect sizes. Conclusion: This study establishes the official European Norm for the EORTC CAT Core. The European CAT Norm can be used globally and allows for meaningful interpretation of scores. Furthermore, CAT scores can be compared with sex- and age-adjusted norm scores at a national level within each of the 15 countries.
966 $a pedagogika

Tytuł: General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States
Autor (Twórca):
Tytuł czasopisma : EUROPEAN JOURNAL OF CANCER
Data: 2018
Dyscyplina: pedagogika
Język: angielski

Tomaszewski_General.pdf (768 KB)

Licencja: CC BY-NC-ND 4.0
Wersja tekstu: Ostateczna opublikowana
Dostępność: Publiczny

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General population normative data for the EORTC QLQ-C30 health-related quality of life questionnaire based on 15,386 persons across 13 European countries, Canada and the Unites States

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Tomaszewski_General.pdf (768 KB)