Smith 2006.

Methods	STUDY DESIGN: Parallel group randomised controlled trial LOCATION, NUMBER OF CENTRES: Urban ED in USA DURATION OF STUDY: 2 weeks Outcome assessors were blinded
Participants	N SCREENED: Not reported N RANDOMISED: 92 N COMPLETED: 86 M = 54 F = 38 MEAN AGE: 6.5 years BASELINE DETAILS: 90% African American; 97% Medicaid INCLUSION CRITERIA: 2 to 12 years of age; Medicaid or no insurance cover; presenting to ED requiring bronchodilator therapy for acute asthma EXCLUSION CRITERIA: Admission to hospital during index ED visit; chronic illness other than asthma; no working telephone in the home; participation in another asthma study; no primary care physician; parents unable to communicate effectively in English
Interventions	EDUCATION GROUP: Parental coaching during ED visit and monetary incentive. Coach asked questions of parent regarding perceptions of ED visit and discussed advantages of follow up with PCP. Coach included discussion of barriers to follow up. Setting: Hospital CONTROL GROUP: Usual care TREATMENT PERIOD: In ED. Both groups were reminded of importance of follow‐up with PCP. FOLLOW‐UP PERIOD: 2 weeks
Outcomes	Scheduled attendance at PCP; unscheduled attendance at PCP office with acute asthma
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk	Computer‐generated randomisation schedule.
Allocation concealment?	Unclear risk	Information not available
Incomplete outcome data addressed? All outcomes	High risk	Available case