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

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

	Time-to-Awaken		Time-to-Escape
	Hazard Ratio (95% CI)		Hazard Ratio (95% CI)
Pairwise Alarm Signal Comparisons	Children^a	Adults	Children^a	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)

^aValues for children are from Smith GA, et al. Academic Pediatrics. 2019 (2020a)
CI Confidence interval

ISSN: 2197-1714