Table 3.

Univariate and Mutivairate Stepwise Logistic Regression for Myocardial Infarction at All Time Periods after Zoster

Univariate logistic regression: MI and Zoster
Time after index:	OR (95% CI)	p-value
3 months	1.88 (1.15–3.08)	.01
6 months	1.63 (1.09–2.42)	.02
1 year	1.49 (1.10–2.00)	.009
3 years	1.29 (1.08–1.56)	.006
Multivariate Stepwise Logistic Regression Models
Model for 3 months
Variable	OR (95% CI)	P-value
Zoster	1.68 (1.03–2.75)	.04
Age vs age<65: age 65–79	2.31 (1.19–4.47)	.01
age 80+	3.51 (1.77–6.95)	<.001
Coronary artery disease	4.17 (2.56–6.78)	<.001
Model for 6 months
Zoster	1.44 (0.97–2.15)	.07
Age vs age<65: age 65–79	2.3 (1.35–3.92)	.002
age 80+	4.02 (2.34–6.9)	<.001
Coronary artery disease	3.55 (2.4–5.25)	<.001
Diabetes	1.62 (1.08–2.43)	.02
Model for 1 year
Zoster	1.33 (0.99–1.8)	.06
Age vs age<65: age 65–79	2.61 (1.77–3.85)	<.001
age 80+	4.93 (3.31–7.34)	<.001
Sex = Male	1.64 (1.24–2.17)	<.001
Coronary artery disease	2.14 (1.58–2.91)	<.001
Depression	1.43 (1.03–1.98)	.03
Diabetes	1.73 (1.29–2.33)	<.001
Model for 3 years
Zoster	1.17 (0.97–1.41)	.11
Age vs age<65: age 65–79	2.26 (1.8–2.85)	<.001
age 80+	4.51 (3.56–5.73)	<.001
Sex = Female	1.49 (1.25–1.76)	<.001
Hypertension	1.35 (1.13–1.62)	.001
Coronary artery disease	2.01 (1.66–2.43)	<.001
Diabetes	1.47 (1.21–1.78)	<.001