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Does a multifaceted environmental intervention alter the impact of asthma on inner-city children?




J Natl Med Assoc. 2006 Feb;98(2):249-60.


Does a multifaceted environmental intervention alter the impact of asthma on inner-city children?


Williams SG, Brown CM, Falter KH, Alverson CJ, Gotway-Crawford C, Homa D, Jones DS, Adams EK, Redd SC.


National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. This email address is being protected from spambots. You need JavaScript enabled to view it.


OBJECTIVE: To evaluate the impact of a multifaceted environmental and educational intervention on the indoor environment and health in 5-12-year-old children with asthma living in urban environments. DESIGN: Changes in indoor allergen levels and asthma severity measurements were compared between children who were randomized to intervention and delayed intervention groups in a 14-month prospective field trial. Intervention group households received dust mite covers, a professional house cleaning, and had roach bait and trays placed in their houses. RESULTS: Of 981 eligible children, 410 (42%) were enrolled; 161 (40%) completed baseline activities and were randomized: 84 to intervention and 77 to delayed intervention groups. At the study's end, dust mite levels were 163% higher than at baseline for the delayed intervention group. Overall asthma severity scores did not change. However, the median functional severity score (FSS) component of the severity score improved more in the intervention group (33% vs. 20%) than in the delayed intervention group. At the study's end, the median FSSs for the intervention group improved 25% compared with the delayed intervention group, (p<0.01). Differences between groups for medication use, emergency department (ED) visits or hospitalization were not significant. CONCLUSIONS: Despite low retention, the intervention resulted in decreased dust mite allergen levels and increased FSSs among the intervention group. The interventions probably contributed to the improvements, especially among the more severely affected children. This study highlights the complexities of designing and assessing the outcomes from a multifaceted asthma intervention.


Publication Types:
Randomized Controlled Trial


PMID: 16708511 [PubMed - indexed for MEDLINE]




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