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Validity of two common asthma-specific quality of life questionnaires: Juniper mini asthma quality of life questionnaire and Sydney asthma quality of life questionnaire |
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| Authors: | Christian Joachim Apfelbacher Christina Jones Matthew Hankins Helen Smith |
| Affiliation: | 1. Centre for Applied Health Services Research and Technology Assessment, University of Southern Denmark, J.B. Winsl?ws Vej 9B, 5000, Odense, Denmark 2. National Institute of Public Health, University of Southern Denmark, ?ster Farimagsgade 5A, 1352, Copenhagen, Denmark 3. Danish Institute of Health Services Research, Dampf?rgevej 27-29, 2100, Copenhagen, Denmark 4. Endocrinology Research Unit, University of Southern Denmark, Winsl?wparken 19, 3rd floor, 5000, Odense, Denmark 5. Department of Public Health, University of Copenhagen, ?ster Farimagsgade 5, 1014, Copenhagen, Denmark |
| Abstract: | BackgroundThe aim of this study was to evaluate the association between experienced physical violence and health-related quality of life (HRQoL) by comparing self-reported health status for individuals with and without experience of physical violence. Our hypothesis was that individuals exposed to violence would experience worse HRQoL than non-exposed individuals. We tested whether men and women and different age groups experience similar reductions in HRQoL, and the extent to which such differences might be associated with social circumstances and lifestyle conditions. Finally, we explored the HRQoL consequences of exposure to violence in a longer time perspective.MethodsWe used data from self-completed questionnaires in two Danish nationally representative, cross-sectional health interview surveys. Exposure to violence was indicated through specific survey questions (Straus?? conflict tactics scale) enquiring about different types of violence during the last 12?months. Health status of respondents was elicited by the EQ-5D and SF-36 questionnaires. The health status profiles were converted to health score indexes using the Danish algorithm for EQ-5D and the revised Brazier algorithm for SF-6D. Differences in score indexes between the exposed and non-exposed individuals were explored separately for men and women using ordinary least square regression with four age categories as explanatory variables.ResultsIn the 2000 and 2005 surveys, respectively, 4.9% and 5.7% of respondents indicated that they had been exposed to physical violence within the last 12?months. Exposure to violence was more prevalent in the younger age groups and more prevalent for men than women. Respondents exposed to violence had lower score indexes on both the EQ-5D and the SF-6D compared with the non-exposed. Respondents who reported exposure to violence in both 2000 and 2005 reported lower HRQoL than individuals who only reported exposure in one of the surveys.ConclusionsThe results of this study provide evidence for an association between exposure to physical violence and reduction in health-related quality of life. |
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