Does the relationship between physical activity and quality of life differ based on generic versus disease-targeted instruments?

Robert W. Motl, Edward McAuley, Erin M. Snook, Rachael C. Gliottoni

Research output: Contribution to journalArticlepeer-review

Abstract

Background: There has been an increased interest in the study of physical activity and its relationship with quality of life (QOL) and health-related quality of life (HRQL) in chronic disease conditions. The investigations have used either generic or disease-targeted instruments for measuring QOL and HRQL, but have not examined differences in the associations as a function of the types of instruments. Purpose: The present study examined the associations among physical activity, QOL, and HRQL using generic and disease-targeted instruments in persons with multiple sclerosis (MS). Methods: Participants were 292 individuals with MS who wore an accelerometer for 7 days and then completed the Godin Leisure-Time Exercise Questionnaire (GLTEQ), Multiple Sclerosis Impact Scale-29 (MSIS-29), Leeds Multiple Sclerosis Quality of Life Scale (LMSQOL), Short Form-12 Health Survey (SF-12), and Satisfaction With Life Scale (SWLS). Results: Accelerometer counts and GLTEQ scores had similarly sized correlations with scores from generic (SF-12) and the disease-specific (MSIS-29) measures of HRQL and generic (SWLS) and the disease-specific (LMSQOL) measures of QOL. Path analysis indicated a similar pattern of directional relationships between accelerometer counts and GLTEQ scores with physical and mental HRQL and, in turn, physical and mental HRQL with QOL using generic and disease-targeted instruments. Conclusions: Our results suggest that in cross-sectional analysis, physical activity is similarly related with QOL and HRQL using generic and disease-targeted instruments in persons with MS.

Original languageEnglish (US)
Pages (from-to)93-99
Number of pages7
JournalAnnals of Behavioral Medicine
Volume36
Issue number1
DOIs
StatePublished - Aug 2008

Keywords

  • Health-related quality of life
  • Physical activity
  • Quality of life

ASJC Scopus subject areas

  • Psychology(all)
  • Psychiatry and Mental health

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