Ng 2006.

Methods	STUDY DESIGN: Parallel group LOCATION, NUMBER OF CENTRES: Single centre in Hong Kong. DURATION OF STUDY: 3 months Outcome assessors were blinded
Participants	N SCREENED: Not clear N RANDOMISED: 100 (treatment: 45; control: 55) N COMPLETED: 100 M = 74 F = 26 MEAN AGE: 2 to 5 years: 68; 6 to 9 years: 24; 10 to 15 years: 8 BASELINE DETAILS: Mild and mild to moderate asthma INCLUSION CRITERIA: 2 to 15 years; admitted with an acute asthmatic attack EXCLUSION CRITERIA: Children with severe acute asthma requiring intensive care; non‐Chinese speakers
Interventions	EDUCATION GROUP: 6 components: (i) contact with Asthma Nurse < 24 hours post‐admission; ii) booklet with same information & action plan with modified cartoon figures. Asthma diary given to parents (iii) video intervention; (iv) 30‐minute teaching & discussion session; v) assessment of inhaler technique & reinforcement of knowledge of asthma prior to discharge; (vi) telephone follow up 1 week after discharge Setting: Hospital & home CONTROL GROUP: 3 components (i) Asthma Nurse acted 1 to 2 days after admission; (ii) information sheet describing nature of asthma, avoidance of triggers, usage of medication, & steps to be take in acute asthmatic attack. Asthma diary given to parents; (iii) 30‐minute teaching & discussion session. TREATMENT PERIOD: 1 to 2 days (in hospital) FOLLOW‐UP PERIOD: 3 months
Outcomes	ED visits; hospitalisation; compliance; school absence
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk	Computer‐generated random‐number table
Allocation concealment?	Unclear risk	Information not available
Incomplete outcome data addressed? All outcomes	Unclear risk	Information not available