Skip to main content
. 2002 Jan 21;2002(1):CD001005. doi: 10.1002/14651858.CD001005

Hilton 1986.

Methods DESIGN: Controlled Clinical Trial 
 METHOD OF RANDOMISATION: allocated systematically in the order in which they were recruited. 
 METHOD OF ALLOCATION CONCEALMENT: systematically allocated ‐ not concealed. 
 OUTCOME ASSESSOR BLINDING: unclear. 
 WITHDRAWAL/DROPOUTS: all subjects accounted for.
Participants Eligibility Criteria: 5‐70 yrs, asthma diagnosis by GP, anti‐asthma treatment given on at least two occasions in the past year, no other asthma patient in the family or household recruited to the study. 
 Eligible:415 
 Randomised: 339 
 Completed: 274 
 Age: mean: Not specified; Range Not specified. 
 Sex: Male / Female ‐ not specified. 
 Asthma Diagnosis: by General Practitioner. 
 Recruitment: from 14 general practices in South and West London. 
 Major exclusions: not specified 
 Baseline 
 FEV1 Not stated; 
 PEF Not stated, 
 Exacerbations Not stated.
Interventions TYPE: Non‐interactive 
 SETTING for the intervention: home reading of a booklet 
 MODE: Non‐interactive booklet plus a treatment card listing their medications. 
 CONTENT: General aspects of the disease process, prevention and self management.
Outcomes ER visits, Wheeze, Nocturnal Asthma.
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Adequate sequence generation? High risk Allocated systematically in the order in which they were recruited.
Allocation concealment? High risk Investigatorss aware as to order of allocation