The Seattle-King County Healthy Homes Project: A randomized, controlled trial of a community health worker intervention to decrease exposure to indoor asthma triggers

J.W. Krieger, T.K. Takaro, L. Song and M. Weaver

American Journal of Public Health, 2005, vol. 95, issue 4, 652-659

Abstract: Objectives. We assessed the effectiveness of a community health worker intervention focused on reducing exposure to indoor asthma triggers. Methods. We conducted a randomized controlled trial with 1-year follow-up among 274 low-income households containing a child aged 4-12 years who had asthma. Community health workers provided in-home environmental assessments, education, support for behavior change, and resources. Participants were assigned to either a high-intensity group receiving 7 visits and a full set of resources or a low-intensity group receiving a single visit and limited resources. Results. The high-intensity group improved significantly more than the low-intensity group in its pediatric asthma caregiver quality-of-life score (P= .005) and asthma-related urgent health services use (P= .026). Asthma symptom days declined more in the high-intensity group, although the across-group difference did not reach statistical significance (P= .138). Participant actions to reduce triggers generally increased in the high-intensity group. The projected 4-year net savings per participant among the high-intensity group relative to the low-intensity group were $189-$721. Conclusions. Community health workers reduced asthma symptom days and urgent health services use while improving caregiver quality-of-life score. Improvement was greater with a higher-intensity intervention.

Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:10.2105/ajph.2004.042994_0

DOI: 10.2105/AJPH.2004.042994

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