Motivational interviewing and urine cotinine feedback to stop passive smoke exposure in children predisposed to
Sasha G Hutchinson1, Gerard van Breukelen2, Constant P van Schayck3
1Department of Paediatric Pulmonology, Maastricht University Medical Center (MUMC+)/CAPHRI School for Public Health and Primary Care, P.O. Box 616, 6200 MD, Maastricht, The Netherlands. sasha.hutchinson@maastrichtuniversity.nl.
Insights
Motivational interviewing and urine cotinine feedback effectively reduced passive smoking (PS) in children at risk for asthma. This intervention shows promise for protecting children
Area of Science:
- Environmental Health
- Pediatrics
- Public Health
Background:
- Secondhand smoke exposure poses significant health risks to children, particularly those with asthma.
- Children with asthma are particularly vulnerable to the adverse effects of passive smoking (PS).
Purpose of the Study:
- To evaluate the effectiveness of a combined motivational interviewing (MI) and urine cotinine feedback program in reducing PS in children at high risk for asthma.
- To assess the impact of the intervention on families' ability to stop PS exposure in their children.
Main Methods:
- A randomized controlled trial involving 58 families with children aged 0-13 years at high risk for asthma and PS exposure.
- Intervention group received 6 monthly sessions of MI and cotinine feedback; control group received standard measurements.
- Primary outcome: percentage of families stopping PS, verified by child's urine cotinine levels (<10 μg/l).
Main Results:
- After 6 months, 27% of families in the intervention group reported stopping PS, compared to 7% in the control group (unverified report).
- Verified parental reports showed a similar trend (23% vs. 7%), though not statistically significant.
- The intervention demonstrated a probable positive effect on reducing PS in children.
Conclusions:
- The motivational interviewing and urine cotinine feedback program appears to be a potentially effective strategy for reducing passive smoking in children.
- A longer intervention duration may be necessary to achieve statistically significant and lasting effects.
- Further research with larger sample sizes is warranted to confirm these findings.
Abstract:
We tested the effectiveness of a program consisting of motivational interviewing (MI) and feedback of urine cotinine to stop passive smoking (PS) in children at risk for asthma. Fifty-eight families with children 0-13 years with a high risk of asthma and PS exposure were randomised in a one-year follow-up study. The intervention group received the intervention program during 6 sessions (1/month) and the control group received measurements (questionnaires, urine cotinine, and lung function) only. The primary outcome measure was the percentage of families stopping PS (parental report verified and unverified with the child's urine cotinine concentration <10 μg/l) in children during the intervention program. The analyses were performed with Mixed Logistic Regression. After 6 months, a significant group difference was observed for the unverified parental report of stopping PS in children: 27% of parents in the intervention group versus 7% in the control group. For the verified parental report, the difference was similar (23% versus 7%) but was not statistically significant. Despite a limited sample size, the results suggest that the intervention program is probably an effective strategy to stop PS in children. A program longer than 6 months might be necessary for a longer lasting intervention effect.
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