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

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

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.

Suggested Citation

  • Krieger, J.W. & Takaro, T.K. & Song, L. & Weaver, M., 2005. "The Seattle-King County Healthy Homes Project: A randomized, controlled trial of a community health worker intervention to decrease exposure to indoor asthma triggers," American Journal of Public Health, American Public Health Association, vol. 95(4), pages 652-659.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2004.042994_0
    DOI: 10.2105/AJPH.2004.042994
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    Cited by:

    1. Deepa Mankikar & Carla Campbell & Rachael Greenberg, 2016. "Evaluation of a Home-Based Environmental and Educational Intervention to Improve Health in Vulnerable Households: Southeastern Pennsylvania Lead and Healthy Homes Program," IJERPH, MDPI, vol. 13(9), pages 1-15, September.
    2. Laura J. Rosen & Vicki Myers & Jonathan P. Winickoff & Jeff Kott, 2015. "Effectiveness of Interventions to Reduce Tobacco Smoke Pollution in Homes: A Systematic Review and Meta-Analysis," IJERPH, MDPI, vol. 12(12), pages 1-17, December.
    3. Margot W. Parkes & Sandra Allison & Henry G. Harder & Dawn Hoogeveen & Diana Kutzner & Melissa Aalhus & Evan Adams & Lindsay Beck & Ben Brisbois & Chris G. Buse & Annika Chiasson & Donald C. Cole & Sh, 2019. "Addressing the Environmental, Community, and Health Impacts of Resource Development: Challenges across Scales, Sectors, and Sites," Challenges, MDPI, vol. 10(1), pages 1-27, March.
    4. Darrell Hudson & Keon Gilbert & Melody Goodman, 2023. "Promoting Authentic Academic—Community Engagement to Advance Health Equity," IJERPH, MDPI, vol. 20(4), pages 1-8, February.
    5. Levy, Jonathan I. & Brugge, Doug & Peters, Junenette L. & Clougherty, Jane E. & Saddler, Shawnette S., 2006. "A community-based participatory research study of multifaceted in-home environmental interventions for pediatric asthmatics in public housing," Social Science & Medicine, Elsevier, vol. 63(8), pages 2191-2203, October.
    6. Sylvia Brandt & Sara Gale & Ira Tager, 2012. "The value of health interventions: evaluating asthma case management using matching," Applied Economics, Taylor & Francis Journals, vol. 44(17), pages 2245-2263, June.
    7. Sylvia Brandt & Sara Gale & Ira Tager, 2009. "Estimation of Treatment Effect of Asthma Case Management Using Propensity Score Methods," Working Papers 2009-3, University of Massachusetts Amherst, Department of Resource Economics.
    8. Yun Wang & Zhiqiang Huang & Mei Yang & Fuzhi Wang & Shuiyuan Xiao, 2015. "Reducing Environmental Tobacco Smoke Exposure of Preschool Children: A Randomized Controlled Trial of Class-Based Health Education and Smoking Cessation Counseling for Caregivers," IJERPH, MDPI, vol. 12(1), pages 1-18, January.
    9. Brandt, Sylvia J. & Gale, Sara & Tager, Ira, 2009. "Estimation of Treatment Effect of Asthma Case Management Using Propensity Score Methods," Working Paper Series 53124, University of Massachusetts, Amherst, Department of Resource Economics.
    10. David R. Williams & Lisa A. Cooper, 2019. "Reducing Racial Inequities in Health: Using What We Already Know to Take Action," IJERPH, MDPI, vol. 16(4), pages 1-26, February.
    11. Santini, Ziggi Ivan & Koyanagi, Ai & Tyrovolas, Stefanos & Haro, Josep M. & Fiori, Katherine L. & Uwakwa, Richard & Thiyagarajan, Jotheeswaran A. & Webber, Martin & Prince, Martin & Prina, A. Matthew, 2015. "Social network typologies and mortality risk among older people in China, India, and Latin America: A 10/66 Dementia Research Group population-based cohort study," Social Science & Medicine, Elsevier, vol. 147(C), pages 134-143.

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