Effect of motivational interviewing on treatment adherence and self-efficacy of adolescents with asthma: A randomized controlled trial.
Fatemeh Taheri, Ahmad Nasiri, Somayeh Namdari and 1 others
PMID 36929146WHAT IT FOUND
Adolescents with uncontrolled asthma who received motivational interviewing reported higher self-efficacy and adherence than controls at 3 months.
After accounting for demographic differences, asthma-control scores did not show a clear difference.
Key findings
01The intervention group had higher asthma self-efficacy than controls 2 weeks after the intervention and at 3 months (p < 0.001).
02Self-reported treatment adherence was higher in the intervention group than controls 2 weeks after the intervention (p = 0.006) and 3 months after the intervention (p = 0.04).
03After demographic adjustment, self-efficacy was 14.44 points higher and treatment adherence was higher (β = 6.14, p = 0.05), but asthma control was not significant (β = -2.29, p = 0.064).
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Recruitment came from only two clinics that treated adolescents with asthma, which limited the number of participants available. Adolescents who were not willing to participate may have had lower adherence, so the study sample may have been easier to help than typical patients. The control group received standard care rather than an attention control, so extra contact and attention in the motivational interviewing sessions may explain some effects. The sample was small and follow-up was only 3 months, so long-term effects are unknown. Treatment adherence was self-reported by adolescents, not directly observed. The asthma-control benefit was not significant after demographic adjustment, so asthma control should not be treated as a proven outcome.
Declared interests
The authors declared no conflict of interest. The research received no specific grant from any public, commercial or not-for-profit funder.
The easy way to misread this
Do not conclude motivational interviewing improved asthma control. The asthma-control score was better before adjustment, but after demographic adjustment it was not significant (β = -2.29, p = 0.064).