Normative data for the EORTC QLQ-C30 from the Austrian general population.

Publisher: BioMed Central Country of Publication: England NLM ID: 101153626 Publication Model: Electronic Cited Medium: Internet ISSN: 1477-7525 (Electronic) Linking ISSN: 14777525 NLM ISO Abbreviation: Health Qual Life Outcomes Subsets: MEDLINE

Original Publication: [London] : BioMed Central, c2003-

Health Status* ; Quality of Life*; Surveys and Questionnaires/*statistics & numerical data; Adult ; Age Distribution ; Aged ; Austria ; Female ; Humans ; Male ; Middle Aged ; Sex Distribution

Background: The European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 is a widely used cancer-specific questionnaire assessing 15 domains of health-related quality of life (HRQoL). Our aim was to facilitate the interpretation of scores on this questionnaire by providing Austrian normative data based on a general population sample.
Methods: The calculation of normative data was based on the EORTC QLQ-C30 data collected from an Austrian general population sample that was part of an international online panel study on the development of European normative data. Data reported herein were stratified and weighted by age and sex. Normative data were calculated for all 15 HRQoL domains of the EORTC QLQ-C30. For precise predictions of EORTC QLQ-C30 scores, a regression model based on sex, age and the presence of health conditions was built.
Results: The Austrian sample comprised 1002 Austrian participants (50.1% female, 51.4% when weighted by age and sex based on United Nation statistics). The mean age was 53.7 years (weighted: 47.7 years) and 53.6% (weighted: 47.4%) reported at least one health condition. Men reported better physical (Cohen's d = 0.17) and emotional (Cohen's d = 0.17) functioning as well as less fatigue (Cohen's d = 0.18) and insomnia (Cohen's d = 0.25) compared with women. Younger individuals (< 40 years) reported less dyspnea (Cohen's d = 0.61) and pain (Cohen's d = 0.51), whereas older individuals (≥60 years) reported better emotional functioning (Cohen's d = 0.55).
Conclusions: We present Austrian normative data for the EORTC QLQ-C30. Differences by age and sex are mostly in line with the findings of other European normative studies. The Austrian population sample shows higher HRQoL and lower morbidity compared with other European countries. The normative data in this study will facilitate the interpretation of EORTC QLQ-C30 scores in oncological practice and research at a national and international level (including cross-cultural comparisons).

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001 2015 European Organisation for Research and Treatment of Cancer

Keywords: Austria; EORTC QLQ-C30; General population; Normative data; Oncology; Patient-reported outcome measures; Quality of life

Date Created: 20200814 Date Completed: 20201111 Latest Revision: 20201111

20240628

PMC7425034

10.1186/s12955-020-01524-8

32787854