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Childhood Asthma Prevention Study (CAPS)

Last updated: October 2012

In Brief

Evidence of Model Effectiveness

This model does not meet the criteria established by the Department of Health and Human Services (HHS) for an “evidence-based early childhood home visiting service delivery model” for the general population or for tribal populations.

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Model Description

The Childhood Asthma Prevention Study (CAPS) was designed to reduce children’s wheezing-related morbidity by reducing household allergens and increasing caregiver illness-management skills. CAPS participants were low-income families living in the Denver metropolitan area with children between 9 and 24 months old who had experienced at least three wheezing episodes. Nurses trained as home visitors addressed allergen and tobacco smoke reduction, as well as psychosocial factors of illness management, including parental knowledge, parent-child relationships, and caregiver mental health. Home visitors guided and supported caregivers’ efforts to achieve health-promotion goals through education, problem solving, and referrals for additional services. CAPS consisted of 18 home visits delivered over the course of a year. For more information, please read the Model Overview.

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Extent of Evidence

Results of Research and Review
Number of studies
Eligible for review
2
Rated high
2
Rated moderate
0
Rated low
0
Additional source1
0

1Additional sources overlap with another study and are not rated.

For more information, see the study database. For more information on the criteria used to determine the study ratings, please read Producing Study Ratings.

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Summary of Findings

Outcome domain links to effects details by study.
Outcomes
Primary Outcome Measures
Secondary Outcome Measures

Outcome Child Development and School Readiness

Not measured in high- or moderate-rated outcomes

Outcome Child Health

Primary outcome measures:
Favorable: 0
No effect: 3
Unfavorable or ambiguous: 0
Secondary outcome measures:
Favorable: 0
No effect: 1
Unfavorable or ambiguous: 0

Outcome Family Economic Self-Sufficiency

Not measured in high- or moderate-rated outcomes

Outcome Linkages and Referrals

Not measured in high- or moderate-rated outcomes

Outcome Maternal Health

Primary outcome measures:
Favorable: 0
No effect: 0
Unfavorable or ambiguous: 0
Secondary outcome measures:
Favorable: 0
No effect: 1
Unfavorable or ambiguous: 0

Outcome Positive Parenting Practices

Primary outcome measures:
Favorable: 3
No effect: 3
Unfavorable or ambiguous: 0
Secondary outcome measures:
Favorable: 0
No effect: 0
Unfavorable or ambiguous: 0

Outcome Reductions in Child Maltreatment

Not measured in high- or moderate-rated outcomes

Outcome Reductions in Juvenile Delinquency, Family Violence, and Crime

Not measured in high- or moderate-rated outcomes

Please read Describing Effects for more information on these categories. Only results from studies that meet the standards for the high or moderate ratings are included above.

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Criteria Established by the Department of Health and Human Services

Information Based on Comprehensive Review of All High- and Moderate-Impact Studies for this Model
High- or moderate-quality impact study?
Yes
Across high- or moderate-quality studies, favorable impacts in at least two outcome domains within one sample OR the same domain for at least two non-overlapping samples?
No
Favorable impacts on full sample?
Yes
Any favorable impacts on outcome measures sustained at least 12 months after model enrollment?1
Yes
One or more favorable, statistically significant impact reported in a peer-reviewed journal?1
Yes

1This information is reported for all models, but the requirements for sustained findings and inclusion in a peer-reviewed journal only apply to models for which all findings are from randomized controlled trials.

Please read the HHS Criteria for Evidence-Based Models for more information.

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