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Table 1 Summary of the base case

From: Cost-effectiveness of interventions for increasing the possession of functioning smoke alarms in households with pre-school children: a modelling study

Element of assessment Base case
Type of economic evaluation Cost-effectiveness analysis
Perspective on costs Public sector, including the NHS and PSS
Perspective on outcomes All health effects on individuals
Evidence on outcomes Simultaneous synthesis of evidence of multiple interventions
Measure of health effects Quality Adjusted Life Years (QALYs)
Main source of data for measurement of health related quality of life (HRQL) Reported directly by patients (Medical Care Research Unit, University of Sheffield: Long Term Health and Healthcare outcomes of Accidental Injury study (HALO). Unpublished report for the Department of Health))
Source of preference data for valuation of changes in HRQL Representative sample of the public (UK Population norms [22])
Discount rate An annual rate of 3.5% was used on both costs and health effects
Equity weighting An additional QALY has the same weight, regardless of the characteristics of the individuals who gain the health benefit
Size of the cohort simulated 100,000
Time horizon 100 years - until population all dead in order to account for all outcomes