title: Increasing physical activity in multiple sclerosis: replicating Internet intervention effects using objective and self-report outcomes.
abstract: Our previous research indicated that an Internet intervention was effective in increasing self-reported physical activity in persons with multiple sclerosis (MS). The present study examined the efficacy of the same Internet intervention in persons with MS by using both objective and self-report measures of physical activity. Participants (N = 21) wore an accelerometer around the waist for 7 days and then completed the International Physical Activity Questionnaire (IPAQ) and Godin Leisure-Time Exercise Questionnaire (GLTEQ) before and after receiving the 12-week Internet intervention. The Internet intervention resulted in moderate increases in accelerometer activity counts (d = 0.68) and steps counts (d = 0.60), and this was paralleled by small increases in IPAQ (d = 0.43) and GLTEQ (d = 0.34) scores. The number of weeks that persons logged on was correlated with change in accelerometer activity counts (r = 0.42) and step counts (r = 0.37) but not change in IPAQ (r = 0.10) or GLTEQ (r = 0.08) scores. The novel contribution of this study was the observation that an Internet intervention was efficacious for increasing physical activity in persons with MS by using both objective and self-report measures.
authors.affiliation: Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
authors.forename: Deirdre
authors.initials: D
authors.lastname: Dlugonski
authors.forename: Robert W
authors.initials: RW
authors.lastname: Motl
authors.forename: Edward
authors.initials: E
authors.lastname: McAuley
mesh_terms: D000328:Adult; D000368:Aged; D004185:Disability Evaluation; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D020407:Internet; D008297:Male; D008875:Middle Aged; D009043:Motor Activity; D009103:Multiple Sclerosis / Q000150:complications / Q000503:physiopathology*; D010349:Patient Compliance / Q000706:statistics & numerical data; D057566:Self Report; D012720:Severity of Illness Index; D011795:Surveys and Questionnaires