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- Title
(RHI04) Feasibility of "Sit Less, Move More": An Intervention for Reducing Sedentary Behavior Among African Americans with Multiple Sclerosis.
- Authors
Baird, Jessica F.; Sasaki, Jeffer E.; Sandroff, Brian M.; Cutter, Gary; Motl, Robert W.
- Abstract
Background: Sedentary behavior (SB) is a major concern in multiple sclerosis (MS), as it may accelerate disease progression and exacerbate physical disability. This is especially concerning in African Americans, a segment of the MS population who present with greater neurologic disability than Caucasians and for whom little MS research data are available. Objectives: The current study examined the feasibility of an intervention focused on reducing SB in African Americans with MS. Methods: We recruited 30 ambulatory and physically inactive African Americans with MS (age = 44 years) to participate in the "Sit Less, Move More" (SLMM) program. SLMM consisted of a 12-week behavioral intervention that used text-messaging along with Social Cognitive Theory--driven newsletters and behavioral coaching for reducing SB. Feasibility was assessed on 4 domains: process, resource, management, and scientific outcomes. Participants wore activPAL (AP) and ActiGraph (AG) activity monitors at 3 time points (prior to week 1 [T1], during week 6 [T2], and after week 12 [T3]) to measure changes in time spent sitting (AP data) and time spent in sedentary behavior (AG data). Estimates of effect size (Cohen's d) were calculated to describe the treatment effect of SLMM on SB. Results: Process: Of the 64 persons initially contacted, 45 were assessed for eligibility, 31 were sent the informed consent document, and 30 returned a signed informed consent document and were included in the study. Resources: All participants returned T2 testing materials, and 29 (95%) returned T3 testing materials. Twenty-five (83%) participated in all behavioral coaching sessions. Total study costs were $7242.38 USD including costs for materials, postage, equipment, and participant remuneration. Management: Total personnel time to complete the study was 130 hours. Only 13 participants had valid AP data at all 3 time points, whereas 24 participants had valid AG data at all 3 time points. Scientific outcomes: No adverse events were reported. There was a small treatment effect on time spent sitting (d = -0.13) and sedentary time (d = -0.19). Conclusions: The SLMM intervention is safe and feasible for African Americans with MS, and yielded a small reduction in SB. The intervention was low-cost and well-received as an approach for reducing sedentary behavior, and, overall, our results suggest that the SLMM program progress towards a phase 2 trial to determine its efficacy for reducing SB in African Americans with MS.
- Publication
International Journal of MS Care, 2020, Vol 22, Issue S2, p8
- ISSN
1537-2073
- Publication type
Academic Journal