Self-Efficacy, Outcome Expectations, Group Social Support, and Adherence to Physical Activity in African American Women.
Meghan Garland, JoEllen Wilbur, Louis Fogg and 3 others
PMID 33870956WHAT IT FOUND
Average confidence to overcome barriers fell from 72.84% at 6 weeks to 68.17% at 24 weeks in African American women in a 48-week activity program.
Change in confidence was linked to device steps, and perceived benefits were linked to self-reported activity.
Key findings
01Average self-efficacy for overcoming barriers fell from 72.84% at 6 weeks to 68.17% at 24 weeks.
02Change in self-efficacy from 6 to 24 weeks was independently associated with device step change, but not with self-reported activity.
03Psychological outcome realizations at 24 weeks were independently associated with self-reported activity improvement, while group meeting social support was not associated with either activity measure.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
This was a secondary correlational analysis, so it can show associations but cannot prove that changing self-efficacy or outcome realizations causes more physical activity. The three telephone conditions were pooled because no condition differences were reported, so this analysis cannot say which telephone support mattered. Device step data were available for 180 women, or 69%, at baseline and 48 weeks. The 28 women who did not complete the 48-week assessment were younger and more active at baseline. Participants had higher education levels than the Chicago median, so the results may not represent all African American women in Chicago. Self-reported activity had correlations of 0.16 to 0.32 with estimated VO2 max, so self-report may not fully capture activity.
Declared interests
The authors report no conflicts of interest. The article is tagged as supported by NIH extramural research.
The easy way to misread this
Do not read the links between confidence, perceived benefits, and activity as proof that changing confidence causes more activity. This was a secondary correlational analysis of pooled trial data, not a randomised test of a self-efficacy component.