Table 6.

Seropositivity for IgG antibodies against S1/S2 SARS-CoV-2 and consumption of tobacco, alcohol, and drugs.

Consumption	Number	Positives	%	X2	p
Tobacco
Mild	46	42	13.6	6.3	0.09
Moderate	16	13	4.2
Severe	10	6	1.9
No	312	247	80.2
Alcohol
Mild	105	81	26.3	1.16	0.70
Moderate	7	6	1.9
Severe	1	3	0.3
No	271	220	71.4
Drugs
No	381	305	99.0	0.74	0.51
Yes	3	3	1.0