Table 6 Logistic regression model of predictors of calling 9‐1‐1 (n = 976)†.

Variable	Category	Odds ratio (95% CI)
Recognise case scenario symptoms as heart related	No	1.00
	Yes	2.89 (1.96 to 4.26)*
Case scenario version	Female character	1.00
	Male character	1.17 (0.83 to 1.64)
	Gender indeterminate character	0.98 (0.69 to 1.38)
Ethnicity	Born in Canada	1.00
	Not born in Canada (not Chinese/South Asian)	1.41 (1.00 to 2.00)*
	South Asian (not born in Canada)	2.22 (1.17 to 4.20)*
	Chinese (not born in Canada)	0.55 (0.33 to 0.91)*
Gender of respondent	Female	1.00
	Male	0.88 (0.66 to 1.18)
Age		0.99 (0.98 to 1.01)
Lives alone	No	1.00
	Yes	1.14 (0.76 to 1.70)
Education	<High school	1.00
	High school complete	1.40 (0.77 to 2.54)
	College/diploma/certificate/incomplete university	1.50 (0.82–2.73)
	Baccalaureate or higher	1.13 (0.61 to 2.09)
Total household income	$0–$19999	1.00
	$20000–$39999	1.40 (0.70 to 2.82)
	$40000–$59999	1.49 (0.76 to 2.90)
	$60000–$79999	1.65 (0.83 to 3.27)
	$80000–$99999	1.86 (0.85 to 4.06)
	$100000+	1.35 (0.67 to 2.68)
Anxiety score		1.01 (0.98 to 1.04)
Vulnerability score		0.99 (0.95 to 1.03)
Had an AMI	No	1.00
	Yes	0.82 (0.45 to 1.56)
Immediate family member with AMI	No	1.00
	Yes	1.25 (0.94 to 1.66)
Another relative/close friend with AMI	No	1.00
	Yes	1.09 (0.82 to 1.45)
Discussed the signs and symptoms of AMI with health professional	No	1.00
	Yes	1.29 (0.95 to 1.74)
AMI knowledge score		1.02 (0.90 to 1.15)

†Multiple imputation of missing data. *p<0.05.