Farber 2004.

Methods	STUDY DESIGN: Parallel group randomised controlled trial LOCATION, NUMBER OF CENTRES: USA, inner‐city ED DURATION OF STUDY: 6 months Outcome assessors were blinded to treatment group allocation
Participants	N SCREENED: Not reported N RANDOMISED: 56 (intervention: 28; control group: 28) N COMPLETED: 46 M = Not clear F = Not clear MEAN AGE: 7.5 years BASELINE DETAILS: ICS use: 25%; exposure to passive smoke: 57%; N in household where income < 15000$: 82%. INCLUSION CRITERIA: Presentation in ED; 2 to 18 years; Medicaid insurance; home telephone; history of asthma EXCLUSION CRITERIA: Intubation/mechanical ventilation for asthma
Interventions	EDUCATION GROUP: Educational intervention delivered during ED visit/hospital admission by trained staff. Education consisted of inhaler device instruction and action plans. Follow‐up phone calls made 1 to 2 weeks, 4 to 6 weeks and 3 months post‐enrolment Setting: ED & home CONTROL GROUP: Brief education routinely used in ED as normal procedure TREATMENT PERIOD: 1 session (plus phone calls) FOLLOW‐UP PERIOD: 6 months
Outcomes	ED visits; medication use
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk	Computer‐generated block randomisation
Allocation concealment?	Low risk	Schedule generated by third party
Incomplete outcome data addressed? All outcomes	High risk	Available case