Title

Development and Validation of a Questionnaire to Assess Barriers to Physical Activity After Stroke: the Barriers to Physical Activity After Stroke Scale

RIS ID

134054

Publication Details

Drigny, J., Joussain, C., Gremeaux, V., Morello, R., Van Truc, P., Stapley, P., Touze, E. & Ruet, A. (2019). Development and Validation of a Questionnaire to Assess Barriers to Physical Activity After Stroke: the Barriers to Physical Activity After Stroke Scale. Archives of Physical Medicine and Rehabilitation, Online First 1-8.

Abstract

Objective: To develop and validate a self-reported questionnaire assessing the barriers to physical activity (PA) among stroke survivors. Design: Psychometric study.

Setting: Ambulatory stroke care.

Participants: A total of one hundred and forty-six (N=146) individuals were included in this study. In stage 1, community-living stroke survivors (n=37; 13 women) with low-moderate disability (modified Rankin Score 0-3, stroke >3mo) were included. In stage 2, participants (n=109; 40 women) with same characteristics were included. Nine professionals experienced in PA for poststroke patients formed an expert panel.

Interventions: In stage 1, semistructured interviews identified perceived barriers to PA, which were then selected by the expert panel and grouped on a Barriers to Physical Activity After Stroke (BAPAS) scale. In stage 2, stroke participants completed a personal information questionnaire and the BAPAS scale.

Main Outcome Measures: An item selection process with factor analysis was carried out. The suitability of the data set was analyzed using the Kaiser-Meyer-Olkin coefficient, internal consistency was evaluated by Cronbach α, and concurrent validity was assessed with Spearman correlation coefficients between the BAPAS scale and the modified Rankin Scale. Test-retest repeatability was estimated using 2-way random effects intraclass correlation coefficient model 2,1 at 4-6 day follow-up (n=21).

Results: Factor analysis supported a 14-item BAPAS that explained 62% of total variance (Kaiser-Meyer-Olkin=0.82) and total score calculated higher than 70 (higher scores for higher barriers). Cronbach α was 0.86, Spearman correlation with the modified Rankin Scale was r=0.65 (P

Conclusion: We developed and validated the BAPAS scale to assess barriers to PA in stroke survivors with low-moderate disability with promising psychometric properties.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.apmr.2018.12.034