Table 2.

Multivariable logistic regression analysis of probability of receiving layperson BCPR.

	All (n = 54,186)			Public (n = 9670)			Home (n = 44,516)
	OR (95% CI)	Global p-value	Individual p-value	OR (95% CI)	Global p-value	Individual p-value	OR (95% CI)	Global p-value	Individual p-value
Female	1.13 (1.08, 1.17)		<0.001	0.89 (0.79, 0.99)		0.039	1.16 (1.11, 1.21)		<0.001
Age (per 10 year)	0.95 (0.94, 0.96)		<0.001	0.96 (0.93, 0.98)		0.002	0.95 (0.94, 0.96)		<0.001
Time of day (baseline: 11:00 pm - 5:59 am)		<0.001			<0.001			<0.001
6:00 am - 6:59 pm	1.05 (1.00, 1.10)		0.064	1.46 (1.26, 1.69)		<0.001	0.99 (0.94, 1.04)		0.634
7:00 pm – 10:59 pm	1.15 (1.08, 1.22)		<0.001	1.43 (1.20, 1.69)		<0.001	1.11 (1.04, 1.18)		0.001
Witness	1.46 (1.41, 1.52)		<0.001	2.15 (1.97, 2.35)		<0.001	1.33 (1.28, 1.39)		<0.001
Public location	1.01 (0.96, 1.06)		0.652	–		–	–		–
Site (baseline: Singapore)		<0.001			<0.001			<0.001
Japan	0.88 (0.84, 0.93)		<0.001	0.86 (0.75, 0.98)		0.021	0.89 (0.84, 0.94)		<0.001
Korea	1.29 (1.22, 1.36)		<0.001	1.29 (1.14, 1.47)		<0.001	1.30 (1.23, 1.38)		<0.001
Malaysia	0.50 (0.45, 0.57)		<0.001	0.45 (0.34, 0.59)		<0.001	0.52 (0.46, 0.60)		<0.001
Taiwan	0.53 (0.50, 0.56)		<0.001	0.63 (0.55, 0.72)		<0.001	0.51 (0.48, 0.54)		<0.001
Thailand	0.28 (0.24, 0.33)		<0.001	0.17 (0.10, 0.27)		<0.001	0.31 (0.26, 0.37)		<0.001
UAE	0.06 (0.04, 0.10)		<0.001	0.10 (0.05, 0.17)		<0.001	0.03 (0.01, 0.07)		<0.001
China	0.08 (0.06, 0.11)		<0.001	0.12 (0.07, 0.20)		<0.001	0.07 (0.05, 0.10)		<0.001

CI, confidence interval; OR, odds ratio.

Global p-values were assessed using likelihood ratio tests.

Cities and regions enrolled in PAROS study: Osaka city of Japan; Seoul, Daegu, and Gwangju of Korea; Kuching, Klang Valley, Kota Bahru, Miri, and Penang of Malaysia; Singapore of Singapore; Tainan, Taipei, and Taoyuan of Taiwan; Bangkok, and Songkla from Thailand; Dubai of UAE; Zhejiang province of China; Telangana of India. This analysis excludes all 2006 OHCA cases from India that had no layperson BCPR cases.