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Use of a visual analogue scale in a daily patient diary: modelling cross-sectional time-series data on health-related quality of life

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Listed:
  • Parkin, David
  • Rice, Nigel
  • Jacoby, Ann
  • Doughty, Julie

Abstract

An economic evaluation of beta interferon therapy collected quality of life data from 62 people with relapsing-remitting multiple sclerosis, currently in remission. Each completed a postal questionnaire consisting of the Euroqol EQ-5D questionnaire, the MSQOL-54 (a disease-specific measure incorporating the SF36) and other data including health services use. This was completed at the beginning and end of 6-weeks during which a daily diary was kept. The diary asked about daily activities, symptoms experienced, the impact of symptoms, general health status and current health status using the Euroqol Visual Analogue Scale (EQ VAS). The diary had an excellent completion rate, producing data with good face validity. The resulting cross-sectional time-series data provide information about the stability and variability of the EQ VAS in repeated measurement and its sensitivity to health state changes. EQ VAS scores were stable at the population level over time; greater variation in scores was observed between rather than within individuals. Panel data techniques are used to relate EQ VAS scores to recorded symptoms and baseline general health status, paying particular attention to the role of individual heterogeneity and the dynamic nature of responses. The EQ VAS was sensitive to the presence of symptoms, their severity and their type. It is concluded that appropriately analysed panel data can provide insights useful in the measurement of health-related quality of life.

Suggested Citation

  • Parkin, David & Rice, Nigel & Jacoby, Ann & Doughty, Julie, 2004. "Use of a visual analogue scale in a daily patient diary: modelling cross-sectional time-series data on health-related quality of life," Social Science & Medicine, Elsevier, vol. 59(2), pages 351-360, July.
  • Handle: RePEc:eee:socmed:v:59:y:2004:i:2:p:351-360
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    Citations

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    Cited by:

    1. David Parkin & Nancy Devlin, 2006. "Is there a case for using visual analogue scale valuations in cost-utility analysis?," Health Economics, John Wiley & Sons, Ltd., vol. 15(7), pages 653-664.
    2. Amir Shmueli & David Messika & Havi Murad & Laurence Freedman, 2008. "Does greater exposure to own-health data make a difference on the visual analog scale?," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 9(1), pages 63-67, February.
    3. Costa-Font, Montserrat & Costa-Font, Joan, 2009. "Heterogeneous 'adaptation' and 'income effects' across self-reported health distribution?," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 38(4), pages 574-580, August.
    4. Uwe Zettl & Thomas Henze & Ute Essner & Peter Flachenecker, 2014. "Burden of disease in multiple sclerosis patients with spasticity in Germany: mobility improvement study (Move I)," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 15(9), pages 953-966, December.

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