Skip to main content

Table 5 Comparison of Time-to-Awaken and Time-to-Escape Between Children and Adults

From: Optimizing smoke alarm signals: Testing the effectiveness of children’s smoke alarms for sleeping adults

  Time-to-Awaken Time-to-Escape
Hazard Ratio (95% CI) Hazard Ratio (95% CI)
Pairwise Alarm Signal Comparisons Childrena Adults Childrena Adults
Female voice vs High-Freq tone 2.52 (1.92–3.30) 1.40 (1.11–1.77) 2.76 (2.10–3.62) 1.83 (1.45–2.31)
Low-Freq tone vs High-Freq tone 2.96 (2.27–3.85) 1.50 (1.19–1.89) 2.66 (2.03–3.47) 1.42 (1.13–1.78)
  1. aValues for children are from Smith GA, et al. Academic Pediatrics. 2019 (2020a)
  2. CI Confidence interval
\