Talabere 1993.

Methods	STUDY DESIGN: Parallel group randomised controlled trial LOCATION, NUMBER OF CENTRES: Single centre in Spain DURATION OF STUDY: 12 weeks No blinding of outcome assessors
Participants	N SCREENED: Not reported N RANDOMISED: 50 (treatment: 25; control: 25) N COMPLETED: 50 M = Not reported F = Not reported MEAN AGE: 32 months (2.7 years) BASELINE DETAILS: Mean (SD) number of emergency health care visits in 12 weeks prior to study: intervention 1.5 (0.8), control 2.0 (1.0) INCLUSION CRITERIA: 8 to 12 years, recent ED visit or admission (to inpatient unit that offered the Asthma Education Program) for asthma at the participating hospital EXCLUSION CRITERIA: Additional chronic health problems, needed a community health nurse referral for post‐discharge follow up, or were participating in a concurrent asthma education programme
Interventions	EDUCATION GROUP: Asthma education programme; conducted by nurses after training from researcher plus previous experience, or by the researcher (who was also a nurse); information only (written and interactive). Parents and children included; delivered at earliest mutually convenient time (for those admitted, it was done during the hospitalisation). Intervevention delivered over 2 1‐hour sessions. CONTROL GROUP: Usual care TREATMENT PERIOD: Not stated (2 x 1 hour sessions) FOLLOW‐UP PERIOD: 12 weeks
Outcomes	Hospital admissions, emergency health care visits, altered breathing episodes, medication use (no data given), school absences ‐ measured for 12 weeks AFTER intervention completed. Child asthma knowledge ‐ measured at 12 weeks AFTER intervention completed.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk	Coin toss
Allocation concealment?	High risk	Blocking to control for gender, race and age; allocation by coin toss in presence of investigator and family
Incomplete outcome data addressed? All outcomes	Low risk	Complete set of data