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Enhancing Physical Activity in MS: Internet Intervention Replication

This study analyzed the effectiveness of an Internet intervention in enhancing physical activity among individuals with multiple sclerosis. The intervention included multimedia resources and support sessions to improve self-efficacy and goal setting. Results showed moderate increases in activity levels and positive correlations with participant engagement. Objective and self-report measures affirmed the intervention's success, highlighting the potential for future enhancements based on participant feedback.

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Enhancing Physical Activity in MS: Internet Intervention Replication

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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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