Exploring the Interrelationships Between Physical Function, Functional Exercise Capacity, and Exercise Self-Efficacy in Persons Living with HIV.
Kathleen M Nokes, Dudu G Sokhela, Penelope M Orton and 10 others
PMID 38362890WHAT IT FOUND
Among people living with HIV, confidence in making time for exercise was linked to better self-reported function and longer walking distance; confidence in resisting relapse was not.
Self-reported function did not closely match the 6-minute walk test.
Key findings
01Participants achieved approximately 68.6% of age and sex predicted distance on the 6-minute walk test, and confidence to make time for exercise was associated with that walking distance.
02Confidence to make time for exercise was associated with self-reported physical function, while confidence to resist relapse was not associated with either outcome.
03Self-reported physical function and walking distance were only weakly related (r=.131).
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for RNs
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What it does not show
The study measured associations at one time, so it cannot show that self-efficacy causes better function or walking distance. Most participants were from United States sites, so cross-country differences may not be clear. Self-reported measures can be affected by how people respond to questionnaires, and self-efficacy may be inflated. The model for walking distance explained little variance, so the measured variables did not capture much of what determines functional exercise capacity. The study did not test an exercise intervention, so it cannot show that counselling about making time improves outcomes.
Declared interests
The authors declared no conflict of interest.
The easy way to misread this
Do not conclude that improving exercise self-efficacy will improve physical function or walking distance. This study measured associations at one time, so it cannot show cause and effect.