Table 7.

The parameters of the logistic model characterizing the relationship between the variable $Y_2:$ “Have you taken any COVID-19 treatment?” and the variables $X_1$ and $Z_1$ (Model 3). 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%)
${\mathit{a}}_1$	−0.126	0.247	0.258	0.612
${\mathit{\beta }}_2$	0.034	0.007	25.948	<0.0001	1.035	1.021	1.048
${\mathit{\beta }}_1$	−0.805	0.169	22.696	<0.0001	0.447	0.321	0.623