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Table 4 Multivariate logistic regression for variables significantly associated with prescribing antipsychotic combination

From: Conformance to schizophrenia treatment guidelines in North West-Bank, Palestine: focus on antipsychotic dosing and polytherapy

Variable B p-value Odds ratio with 95% CI
Smoker 0.181 0.661 1.199 (0.534-2.692)
Duration of psychiatric illness > 10 years −0.435- 0.327 0.647 (0.271-1.545)
Number of psychiatric hospitalization ≥ 2 0.614 0.229 1.849 (0.679-5.034)
Use of depot antipsychotic agents 1.270 0.002 3.560 (1.572-8.061)
Use of anticholinergic agents 1.336 0.005 3.804 (1.511-9.578)
Total CPZeq 0.010 <0.001 1.010 (1.007-1.013)
  1. Abbreviations: CI confidence interval, β coefficient of predictor variables, CPZeq Chlorpromazine Dose Equivalencies.