Table 2.

Univariate and Multivariable Associations Between E-cigarette Use and Myocardial Infarction of NHIS 2014 and 2016 Combined

	Unadjusted model		Adjusted model
Characteristics	OR (95% CI)	p-value	OR (95% CI)	p-value
E-cigarette use
Never	ref		ref
Former	0.79 (0.67, 0.94)	0.009	1.06 (0.86, 1.30)	0.608
Some days	1.06 (0.79, 1.44)	0.665	1.16 (0.83, 1.62)	0.392
Daily	1.69 (1.19, 2.39)	0.003	1.79 (1.20, 2.66)	0.004
Cigarette smoking
Never			ref
Former			1.70 (1.51, 1.91)	<0.001
Some days			2.36 (1.80, 3.09)	<0.001
Daily			2.72 (2.29, 3.24)	<0.001
Hypertension			2.32 (2.05, 2.64)	<0.001
Diabetes mellitus			1.77 (1.57, 2.00)	<0.001
High cholesterol			2.36 (2.12, 2.63)	<0.001
Woman			0.47 (0.42, 0.52)	<0.001
Age (per 10 years)			1.65 (1.56, 1.71)	<0.001
BMI			1.00 (1.00, 1.00)	0.959
Race/ethnicity
White			ref
Hispanic			0.82 (0.69, 0.98)	0.031
Black			0.91 (0.78, 1.05)	0.207
Asian			0.58 (0.42, 0.80)	0.001
Other race			1.50 (0.95, 2.38)	0.079
n	69,395		69,046

Note: Boldface indicates statistical significance (p<0.05).

NHIS, National Health Interview Survey.