Table 2.

Multivariate regression analyses performed by using all the examined parameters (R2 = 0.310, p < 0.05) as independent variables associated with the immune response to the anti-COVID-19 vaccine.

	β Value	Standard Error of β Value	p Level
Gender	0.044	42.970	0.771
Age *	−0.234	1.748	0.123
BMI	0.089	4.098	0.560
Comorbidities	−0.237	44.135	0.116
Smoke	−0.005	0.174	0.971
Alcohol intake	0.282	18.541	0.074
Vitamin D *	0.366	2.085	0.026

* continuous variables.