Table 2.

Logistic regression analyses of the association between e-cigarette use and myocardial infarction, NHIS 2016 and 2017.

Myocardial infarction	2016			2017			2016 and 2017 (pooled)
	OR	95% CI	p value	OR	95% CI	p value	OR	95% CI	p value
E-cigarette use
Never (referent)
Daily	1.51	0.85–2.67	0.157	1.07	0.36–3.16	0.907	1.35	0.80–2.27	0.267
Some days	0.74	0.40–1.36	0.330	2.11	1.14–3.88	0.017	1.22	0.78–1.91	0.373
Former	0.89	0.65–1.23	0.491	1.02	0.76–1.39	0.875	0.96	0.77–1.20	0.720
Smoking
Never (referent)
Daily	3.09	2.39–4.01	<0.001	3.20	2.48–4.14	<0.001	3.13	2.63–3.73	<0.001
Some days	2.23	1.47–3.37	<0.001	2.73	1.79–4.15	<0.001	2.47	1.79–3.40	<0.001
Former ⩽6 years	3.09	2.24–4.25	<0.001	2.54	1.79–3.60	<0.001	2.82	2.22–3.57	<0.001
Former >6 years	1.41	1.18–1.69	<0.001	1.63	1.34–1.99	<0.001	1.51	1.32–1.74	<0.001
Hypertension	2.09	1.73–2.52	<0.001	2.23	1.81–2.76	<0.001	2.16	1.87–2.50	<0.001
Hypercholesterolemia	2.47	2.05–2.97	<0.001	2.55	2.12–3.07	<0.001	2.5	2.19–2.85	<0.001
Blood glucose
Prediabetes	1.43	0.97–2.11	0.074	1.08	0.72–1.61	0.716	1.23	0.93–1.62	0.153
Diabetes	1.90	1.56–2.32	<0.001	1.84	1.50–2.26	<0.001	1.87	1.62–2.15	<0.001
Gender
Male (referent)
Female	0.45	0.38–0.54	<0.001	0.51	0.43–0.60	<0.001	0.48	0.43–0.54	<0.001
Race
White (referent)
Black/African American	0.83	0.65–1.07	0.152	1.19	0.91–1.55	0.195	1.00	0.84–1.20	0.993
AIAN	2.99	1.37–6.50	0.006	0.45	0.16–1.22	0.116	1.47	0.77–2.84	0.245
Asian	0.49	0.27–0.86	0.014	0.84	0.50–1.40	0.498	0.66	0.45–0.98	0.038
Multiple/not releasable	1.54	0.74–3.21	0.252	1.00	0.59–1.68	0.991	1.23	0.77–1.97	0.380
Age (per year)	1.06	1.05–1.07	<0.001	1.06	1.05–1.06	<0.001	1.06	1.05–1.06	<0.001
BMI (per unit)	1.00	0.99–1.01	0.519	1.00	1.00–1.01	0.367	1.00	1.00–1.01	0.923

AIAN, American Indian or Alaska Native; BMI, body mass index.