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Deirdre Dlugonski, BS; Robert W. Motl, PhD; Edward McAuley, PhD

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Increasing physical activity in multiple sclerosis: Replicating Internet intervention effects using objective and self-report outcomes. Deirdre Dlugonski, BS; Robert W. Motl, PhD; Edward McAuley, PhD. Study Aim

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Increasing physical activity in multiple sclerosis: Replicating Internet intervention effects using objective and self-report outcomes

Deirdre Dlugonski, BS; Robert W. Motl, PhD; Edward McAuley, PhD

slide2

Study Aim

    • Examine efficacy of Internet intervention to increase physical activity in persons with multiple sclerosis (MS).
  • Relevance
    • Physical activity is associated with improvements in fatigue, spasticity, depression, quality of life, and walking mobility in persons with MS.
    • However, this population engages in substantially less physical activity than general population.
methods
Methods
  • Before and after 12-week Internet intervention
    • Participants completed:
      • International Physical Activity Questionnaire (IPAQ).
      • Godin Leisure-Time Exercise Questionnaire (GLTEQ).
      • Patient-Determined Disease Steps (PDDS) scale.
    • Participants wore:
      • Accelerometer on a belt around waist for 7 days.
internet intervention
Internet Intervention
  • Multimedia
    • Text supplemented by videos and PDF files.
    • Focused on self-efficacy, outcome expectations, impediments, goal setting.
  • 4 modules
    • Getting Started.
    • Planning for Success.
    • Beating the Odds.
    • Sticking with It.
  • Support
    • Online group chat sessions 2x/week.
    • Participant forum.
    • Toll-free telephone line and study email address.
    • Automated emails about new information, updates, and changes.
results
Results
  • Internet intervention resulted in moderate increases in accelerometer activity counts and steps counts , which were paralleled by small increases in IPAQ and GLTEQ scores.
  • Number of weeks that persons logged on was correlated with change in accelerometer activity counts and step counts but not change in IPAQ or GLTEQ scores.
conclusions
Conclusions
  • Both objective and self-report measures supported that the Internet intervention effectively increased physical activity in persons with MS.
  • Participant feedback will help improve the Internet intervention for subsequent administrations.
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