Increasing physical activity in multiple sclerosis:
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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


  • 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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