Factors Influencing Pediatric Asthma

Inclusion Criteria

• •Cases must be "American Indian" (eligibile for care within the Indian Health Service); and at least 2 of the following 3 criteria:
• •1. a diagnosis of asthma on at least 2 occasions by more than one provider during the past 2 years.
• •2. refills of asthma treatment medications on at least 2 occasions during the past 2 years.
• •3. Improvement of spirometry FEV1 of 20% with use of albuterol MDI or nebulizer.
• •Controls meet the same demographic criteria as cases, but must also meet all of the following criteria.
• •1. No diagnosis of asthma by any provider during the past 2 years.
• •2. No prescriptions of any asthma meds during the past 2 years.