Application of Disparities Framework to Pediatric Asthma With Successful Interventions and Persistent Gaps

Level of Influence and DefinitionExamples of Interventions That Improve Outcomes
Key Features of InterventionPopulationOutcomes (All Statistically Significant)Ref.Gaps and Opportunities for Future Evaluation
Patient/family; change in knowledge and/or behavior of children and families
  • Patient education focused on self-management skills and fostered self-monitoring and self-care.

  • Education delivered via interactive web-based computer program with immediate feedback provided.

  • ∼75% African American

    ∼92% public insurance

  • Pediatric primary care clinic in Oakland, CA

During 90-d follow-up:
  • Decreased activity limitation.

  • Decreased peak flow readings in yellow / red zone.

  • Decreased urgent calls to health provider.

  • Increased medication adherence without reminders.

  • What are the outcomes of care delivered via video or mobile technology?

  • How can technology-based education be accessible to a broader population and in the long-term?

  • How can education consistently be culturally tailored and skill based?

  • What is the necessary frequency of home visits to demonstrate improved outcomes?

  • Family education about allergen exposures through repeated home visits (total 5–7).

  • Resources for allergen remediation provided.

  • Intervention tailored to each child’s triggers and risk factors.

  • ∼40% African American

    ∼40% Hispanic

  • 7 inner-city locations around United States

During 2-y follow-up:
  • Fewer symptoms and days with symptoms.

  • Reduction in missed school days.

  • Reduction in disruptions in caretakers’ plans.

  • Reduction in sleep lost by children and caretakers.

  • Fewer unscheduled visits to clinic or emergency department.

  • Greater reduction in allergen levels at home.

  • Comprehensive education (medication management, environment control, ongoing care) individualized to patient/family.

  • Coordination with insurance case manager and school nurse, along with linkages to primary care.

  • Education delivered after emergency department visit, representing a “teachable moment.”

  • ∼86% African American

    ∼9.5% Hispanic

  • ∼69% public insurance

  • Pediatric medical center emergency department in Washington, DC

During 6-mo follow-up:
  • Increased use of inhaler corticosteroids.

  • Fewer unscheduled visits (emergency department and clinic).

  • Fewer limitations in quality of life.

Provider; change in knowledge and/or behavior of providers
  • Provider education about guideline-based practice, along with patient teaching and communication.

  • 2 interactive seminars with cases and patient materials.

  • Primary care pediatricians caring for low-income families (annual income <$20 000)

  • New York, NY and Ann Arbor, MI

During 2-y follow-up:
  • Children cared for by physicians in the intervention group were less likely to have emergency department visit or hospital admission.

  • How can programs broadly support guideline-based practice among primary care providers?

  • What is the sustainability of changes in provider practices after education and training?

  • How do provider practices change when they receive regular report cards of care and outcomes based on patient race, ethnicity, and socioeconomic status?

  • What is the impact of provider training in cultural competency and motivational interviewing on patient care delivered?

  • Guideline-based recommendations provided to clinician at visit based on previsit assessment of patient’s current symptoms and severity.

  • Primary care pediatricians caring for minority, low-income children

  • 64.2% African American, 26.1% Hispanic

  • 75.2% Medicaid
Rochester, NY

During 2-mo follow-up:
  • Patients of physicians in intervention group were 3 times more likely to receive preventive care related to asthma during visit.

Microsystem; team-based care with new members or responsibility modifications• Ongoing case management for families provided by nurse to ensure adherence with monitoring/ medications/ appointments and serve as a resource and counselor.
  • ∼70% African American or Hispanic

  • Urban health centers of large health maintenance organization in New England

During 2-y follow-up:
  • Reduction in emergency department visits, hospitalizations, and outside-of-health-plan use/spending.

  • Cost-effective.

  • Who are the key care team members to foster and reinforce patient and family education?

  • What is the necessary level of case management needed to impact outcomes and across which settings?

  • How can team-based care be used on a large scale to impact outcomes, particularly for high-risk patients?

  • How can team members who are added to the care team be sustainable within new care delivery models?

  • Community health workers made several home visits to conduct assessments and deliver interactive, tailored, culturally sensitive education to child/family.

  • Community health workers recruited from targeted community to foster trust.

  • Linkages made to primary care providers.

  • 100% African-American
96% Medicaid

  • Chicago, IL

During 1-y follow-up:
  • Reduced asthma symptoms.

  • Decreased health resource use and activity-limited days.

  • Improved caregiver quality of life, knowledge, self-efficacy.

  • Cost-savings.

Health care organization; change in clinical or organizational operations to enhance care delivery
  • Children received asthma care in a specialty asthma clinic, as compared with usual primary care.

  • Specialty clinic provided guideline-based care using team approach over several visits, including intensive education, frequent follow-up, provider availability 24/7, allergen identification, and exposure reduction.

  • Community is predominantly Hispanic and African American (total 95%), low-income (72% below federal poverty level)

  • Harlem and Bronx, NY

During 2-y follow-up:
  • Fewer emergency department visits and hospital admissions (despite higher asthma severity index).

  • Cost-effective.

  • How can clinical and medical operations be optimized to support the appropriate balance of primary and subspecialty care?

  • What delivery models can facilitate guideline-based care, particularly in communities with limited access to care?

  • How can technology and electronic medical records support guideline-based care in clinics on a large-scale?

  • How can effective clinical decision-support tools be disseminated broadly within electronic health records and consistently used within clinical workflows?

  • Clinical decision support alerts and reminders presented in workflow to guide clinicians to asthma management tools in electronic health record.

  • Alerts provided guideline-based and patient-specific guidance (personalized for each patient based on symptoms, diagnosis, and medications).

  • 80+% African American

  • ∼70% Medicaid

  • 4 urban practices in Children’s Hospital of Philadelphia Pediatric Research Consortium

During 1-y follow-up:
  • Increased controller medications prescribed and spirometry performed.

Community; partner with individuals and organizations outside of health care setting
  • Supervision of daily controller medication administration in school.

  • Intervention fostered medication adherence and developed consistent habits among children.

  • Medications provided to children.

  • 91% African American

  • 36 schools in Alabama

During 15-mo follow-up, intervention group had:
  • Greater improvement in asthma control (based on missed school days, increased quick-relief inhaler use, or peak flow readings).

  • How can schools effectively and consistently facilitate care that aligns with guidelines and school policies?

  • How can health care teams and schools successfully coordinate care together in light of limited resources and budgets?

  • How can schools simplify the documentation and processes required to identify children with asthma and provide acute and preventive care?

  • How can public housing be broadly designed and redeveloped to optimize environment and minimize triggers?

  • How can social determinants contributing to asthma disparities be addressed by integrating health and non–health sector assets?

  • Public housing redevelopment with homes constructed to reduce moisture, enhance ventilation systems, minimize dust and off-gassing.

  • Home reconstruction remediated and reduced triggers.

  • Tenants required to have no smoking or pets in home.

  • Home-based education for both intervention and control group.

  • Housing development with 29% African or African American, 29% Asian/Pacific Islander
85% low income

  • Seattle, WA

During 1-y follow-up:
  • Improvement in night-time symptoms and reduced triggers score (compared with control group).

  • Improvement in symptom-free days, caretakers’ quality of life, urgent clinic care, asthma control, activity-limited days, rescue medication used days, night-time symptoms, asthma attacks (pre/post–new home).

  • Reduced mold, rodents, moisture exposure and reduced trigger score (pre/post new home).

Policy; laws and regulations adopted locally, regionally, and nationally
  • Enrollment of uninsured children into state health insurance program.

  • Insurance enrollment fostered usual source of care, medication attainment and compliance, and education.

  • Children enrolled in health insurance included 26% African American, 49.1% Hispanic

  • New York state

During 1-y follow-up:
  • Improved access to care.
• Fewer asthma-related attacks and medical visits.

  • Improved quality of care.

  • Improved quality of care and disease severity reported by parents.

  • How can insurance companies support broad access to care and medications to optimize outcomes?

  • How do changes in reimbursement regulations impact care delivery across clinical and nonclinical settings?

  • How can local, regional, and national laws and regulations support population level changes to improve the environment and decrease triggers?

  • How do smoke-free laws impact highest-risk children with asthma, including high severity and minority populations?

  • What financial and nonfinancial incentives can reduce disparities in asthma?

  • Smoking-free legislation adopted in enclosed public place and workplaces countrywide.

  • Laws led to decreased exposure of children to secondhand smoke.

EnglandDuring 3-y follow-up:
  • Hospital admission rates reduced for children with asthma across different ages, sex, socioeconomic status, and geography.

Multiple: patient/family + microsystem + community
  • Asthma outreach worker coordinated care across medical, home, and community.

  • Multidisciplinary asthma clinic visits (pediatrician, pharmacist, public health nurse).

  • Home-based assessments and tailored asthma care plans.

  • Coordination with schools and housing authority to carry out care plan.

  • Asthma education for parents.

Asthma clinic in Seattle, WADuring 9-mo follow-up:
  • Reduced emergency department visits and scheduled clinic visits.

  • What are the key components of multilevel interventions and how are they best integrated to impact outcomes?

  • How can successful multilevel interventions be efficiently adapted to local communities and populations?

  • How can multilevel interventions be modified to deliver care based on the disease severity and risk factors of the child and family and achieve improved outcomes for the population?

  • Who are the key team members to achieve linkage across clinical and nonclinical settings at the highest value?

  • How can research, government, and foundation funding support the study of multi-level interventions to determine how to achieve best outcomes in a cost-effective manner?

  • How can new care delivery models and insurance reimbursement effectively support the implementation and dissemination of multi-level programs with improved outcomes?

Multiple: patient/family + provider + microsystem + organization + community
  • Continuous quality improvement process by multidisciplinary clinic-based team, including community health worker at clinic.

  • Care process changes tailored to each clinic; examples: visit flow sheets introduction, asthma care plan use, pocket guide development, provider/staff training in guidelines, links with school and community.

  • Community health worker linked medical team with home, school, community settings by providing patient/family education, making home visits for environmental assessments, and referring to community resources.

80+% African American or Hispanic
• 7 community clinics in southern CaliforniaDuring 2-y follow-up:
  • Clinics had improved documentation of asthma severity, review of action plans, health care use, and asthma symptoms.
• Patients had fewer acute care visits, emergency department visits, hospitalizations, daytime/nighttime symptoms, missed school days.

  • More parents reported excellent/very good quality of care and confidence in self-management.

Multiple: patient/family + microsystem + organization + community
  • Nurse case management and care coordination with primary care and subspecialists.

  • Nurse or community health worker made home visits for assessments and education.

  • Home environment assessments and remediation, including materials.

  • Culturally and linguistically competent asthma education, tailored to family’s needs and health literacy.

Referrals to community services.

  • 39.6% African American, 52.3% Latino

  • 72.7% Medicaid

  • 4 urban zip codes in Boston, MA

During 12-mo follow-up:
  • Decreased emergency department visits and hospitalizations.

  • Decreased days of physical activity limitation, missed school, and parent missed work.

  • Cost-effective.