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A multifaceted, home based, environmental intervention reduced asthma related morbidity in children with atopic asthma

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Q Is a multifaceted, home based, environmental intervention (HBEI) effective for improving asthma related outcomes in inner city children with atopic asthma?


Embedded ImageDesign:

randomised controlled trial.

Embedded ImageAllocation:


Embedded ImageBlinding:

blinded (outcome assessors).

Embedded ImageFollow up period:

1 year of intervention followed up by a 1 year observational period.

Embedded ImageSetting:

7 major cities in the US.

Embedded ImagePatients:

937 children 5–11 years of age (mean age 7.7 y, 63% boys) who had atopic asthma and resided in districts in which ⩾20% of households had incomes below the federal poverty level. Children were also required to have had ⩾1 asthma related hospital admission or 2 unscheduled asthma related visits to a clinic or emergency department during the previous 6 months and a positive skin test in response to ⩾1 of 11 indoor allergens.

Embedded ImageIntervention:

a 1 year …

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  • * Information provided by author.

  • For correspondence: Dr W J Morgan, Arizona Respiratory Center, University of Arizona, Tucson, AZ, USA.

  • Sources of funding: National Institute of Allergy and Infectious Disease; National Institute of Environmental Health Sciences; National Center for Research Resources.