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

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

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  1. 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

  2. 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.

  3. 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.

  4. 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.

  5. 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.

  6. 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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