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21 March 2013 
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Increasing the prevalence of functioning smoke alarms in disadvantaged inner city housing: a randomised controlled trial
ISRCTN ISRCTN47572799
DOI 10.1186/ISRCTN47572799
ClinicalTrials.gov identifier
EudraCT number
Public title Increasing the prevalence of functioning smoke alarms in disadvantaged inner city housing: a randomised controlled trial
Scientific title
Acronym N/A
Serial number at source G9901222
Study hypothesis A randomised controlled trial will be conducted to quantify the effect of three different types of smoke alarm (ionising, ionising with pause, and optical), and two different power sources (zinc batteries, lithium batteries) on the prevalence of functioning alarms in a disadvantaged inner city population.
Lay summary
Ethics approval Not provided at time of registration
Study design Randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Public health, social medicine
Participants - inclusion criteria Occupants of homes in the materially deprived inner London borough of Camden
Participants - exclusion criteria Not provided at time of registration
Anticipated start date 01/01/2000
Anticipated end date 31/03/2002
Status of trial Completed
Patient information material
Target number of participants 1440 homes
Interventions Ionisation, Optical, Zinc battery and Lithium battery smoke alarms
Primary outcome measure(s) 1. Prevalence of any installed, functioning smoke alarm in the households in each study group
2. Installation and function of the smoke alarm originally installed in the study households
Secondary outcome measure(s) Not provided at time of registration
Sources of funding Medical Research Council (MRC) (UK)
Trial website
Publications 2004 results in http://www.ncbi.nlm.nih.gov/pubmed/15026437
Contact name Dr  Ian  Roberts
  Address Department of Epidemiology & Public Health
Institute of Child Health
30 Guilford Street
  City/town London
  Zip/Postcode WC1N 1EH
  Country United Kingdom
  Email
Sponsor Medical Research Council (MRC) (UK)
  Address 20 Park Crescent
  City/town London
  Zip/Postcode W1B 1AL
  Country United Kingdom
  Tel +44 (0)20 7636 5422
  Fax +44 (0)20 7436 6179
  Email clinical.trial@headoffice.mrc.ac.uk
  Sponsor website: http://www.mrc.ac.uk
Date applied 25/10/2000
Last edited 30/07/2009
Date ISRCTN assigned 25/10/2000
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