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Construct validation of the leisure time physical activity questionnaire for people with SCI (LTPAQ-SCI)
Kathleen A Martin Ginis1,2,3,4, Joan Úbeda-Colomer5,6,7, Abdullah A Alrashidi5,8,9
1Department of Medicine, Division of Physical Medicine and Rehabilitation, University of British Columbia, Vancouver, BC, Canada. kathleen_martin.ginis@ubc.ca.
Spinal Cord
|October 11, 2020
Summary
Higher leisure time physical activity (LTPA) in people with spinal cord injury (SCI) is linked to better cardiorespiratory fitness (CRF). The Leisure Time Physical Activity Questionnaire for People with Spinal Cord Injury (LTPAQ-SCI) effectively measures LTPA in this population.
Area of Science:
- Rehabilitation Medicine
- Sports Medicine
- Clinical Exercise Physiology
Background:
- Cardiorespiratory fitness (CRF) is crucial for health outcomes in individuals with spinal cord injury (SCI).
- Accurate assessment of leisure time physical activity (LTPA) is essential for understanding and promoting physical activity in the SCI population.
- The Leisure Time Physical Activity Questionnaire for People with Spinal Cord Injury (LTPAQ-SCI) is a tool designed to measure LTPA in adults with SCI.
Purpose of the Study:
- To evaluate the construct validity of the LTPAQ-SCI.
- To examine the relationship between LTPAQ-SCI responses and cardiorespiratory fitness (CRF) in adults with SCI.
Main Methods:
- A cross-sectional study involving 39 adults with SCI was conducted in university-based laboratories.
- Participants completed the LTPAQ-SCI and underwent a graded exercise test to volitional exhaustion using an arm-crank ergometer.
- Pearson's correlation coefficients were used to analyze associations between LTPAQ-SCI measures (mild, moderate, heavy intensity, and total LTPA) and CRF (peak oxygen consumption [V̇O2peak] and peak power output [POpeak]).
Main Results:
- Minutes of mild-, moderate-, and heavy-intensity LTPA, as well as total LTPA, were positively correlated with V̇O2peak.
- Correlations between LTPA intensity and V̇O2peak ranged from small-medium (mild intensity) to medium-large (moderate and heavy intensity).
- While correlations with peak power output (POpeak) were generally small, a medium-sized correlation was found for heavy-intensity LTPA.
Conclusions:
- Individuals with SCI who report higher LTPA levels on the LTPAQ-SCI exhibit greater CRF.
- Stronger associations were observed between moderate- and heavy-intensity LTPA and CRF compared to mild-intensity LTPA.
- These findings support the construct validity of the LTPAQ-SCI for assessing LTPA in people with SCI.
