Table 8.

The parameters of the logistic model characterizing the relationship between the variable $Y_2:$ “Have you taken any COVID-19 treatment?” and the variables $X_2$ and $Z_2$ (Model 4). Bold values indicate a statistically significant impact.

Source	Value	SE	${\chi }^{\mathrm{2}}$	$\mathbf{Pr} > {\chi }^{\mathrm{2}}$	OR	Lower CI (95%)	Upper CI (95%)
$a_2$	1.482	0.615	5.808	0.016
${\beta }_2$	−0.003	0.012	0.053	0.817	0.997	0.973	1.022
${\beta }_1$	−1.327	0.410	10.474	0.001	0.265	0.119	0.593