The effect of Teach-back method education on the control of asthma and family care pressure of patients in Iran.
Mohammad Imanipour, Zahra Molazem, Mahnaz Rakhshan and 2 others
PMID 35485617WHAT IT FOUND
Asthma patients who received a teach-back education package with sessions, booklet, and phone follow-up had higher asthma control scores at 8 weeks than controls, and caregivers reported lower care pressure.
Key findings
01The intervention group's mean asthma control score increased from 14.37 before intervention to 20.03 at 8 weeks, while the control group's score fell from 14.86 to 13.03; the paper reports a significant group effect (p = 0.001).
02At 8 weeks, caregiver care pressure scores averaged 18 in the intervention group and 35.72 in controls (p<0.001); before intervention they were 35.51 and 35.24 (p = 0.75).
03Eight weeks after intervention, FEV1 averaged 85.51 in the intervention group and 70.62 in controls (p = 0.022); FVC, FEV1/FVC, and FEF25-75% also differed significantly at 8 weeks.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The groups were not comparable at baseline: sex and other diseases differed, with higher proportions in the intervention group. The paper does not report blinding of patients, caregivers, outcome assessors, or how dropouts were handled. The intervention was a bundle: teach-back sessions, simple-language PowerPoint and practical techniques, a booklet, knowledge checks, and phone follow-up, so the effect of teach-back alone cannot be separated. The sample was small and single-centre, and the paper planned a 20% drop but does not report actual losses. Quality of life was measured but not reported in the supplied results.
Declared interests
The work was funded by Shiraz University of Medical Sciences, Iran (grant number 97-01-08-19134).
The easy way to misread this
Do not conclude that teach-back alone improved asthma control or caregiver pressure. The intervention also included face-to-face simple-language teaching with PowerPoint and practical techniques, a booklet, knowledge checks, and phone follow-up, so the contribution of teach-back alone cannot be separated. The groups also differed at baseline in sex and other diseases.