Polypharmacy in a hospitalized psychiatric population: risk estimation and damage quantification

BMC Psychiatry

Table 5 Multiple linear regression results (Model 11, without interaction)

	Coefficients (β)	S.E.	T statistic	P value	95% CI	VIF
Intercept (β₀)	7.628	6.812	1.12	0.265	−5.844 – 21.099	NA
Equivalence to Risperidone (β₁)	−0.189	0.594	−0.317	0.751	−1.364 – 0.987	1.0009
Number of psychodrugs (β₂)	6.678	0.917	7.286	< 0.001	4.865–8.491	1.0202
Illicit drugs (β₃)	1.061	1.116	0.951	0.343	−1.146 – 3.267	1.0022
Amount of diagnostics (β₄)	−2.76	3.861	−0.715	0.476	−10.396 – 4.877	1.0194

Note: multiple regression it was not calculated with interaction between independent variables. Determination coefficient (R²) = 0.285. S.E. Standard Error, CI Confidence Interval, VIF Variance Inflation Factor

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