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Table 4 Bivariate and multivariate logistic regression models (associations between MHA status and psychotropic prescribing on discharge)

From: Is higher psychotropic medication burden associated with involuntary treatment under the Mental Health Act? A four-year Australian cohort study

Model 1an = 800
 MHA StatusCrude Odds RatioAdjusted Odds Ratio
VariableVoluntaryInvoluntary(95% CI)(95% CI)
 Antipsychoticn (%)n (%)  
  None144 (28.4)9 (3.1)ReferenceReference
  One291 (57.4)137 (46.7)7.53 (3.73,15.22)**2.71 (1.22, 6.04)*
   > One72 (14.2)147 (50.2)32.7 (15.7, 67.8)**8.80 (3.69, 20.98)**
 Antidepressantn (%)n (%)  
  None237 (46.8)236 (80.5)ReferenceReference
  One243 (47.9)53 (18.1)0.22 (0.15, 0.31)**0.47 (0.30, 0.74)*
   > One27 (5.3)4 (1.4)0.15 (0.05, 0.43)**0.31 (0.08, 1.19)
 Mood stabilisern (%)n (%)  
  None407 (80.3)192 (65.5)ReferenceReference
  One90 (17.7)84 (28.7)1.98 (1.40, 2.79)**1.35 (0.84, 2.17)
   > One10 (2.0)17 (5.8)3.60 (1.62, 8.02)*2.17 (0.80, 5.89)
 Benzodiazepinen (%)n (%)  
  None354 (69.8)225 (76.8)ReferenceReference
  One/Two153 (30.2)68 (23.2)0.70 (0.50, 0.97)*1.00 (0.66, 1.53)
Models 2, 3 and 4b
 MHA StatusCrude Odds RatioAdjusted Odds Ratio
VariableVoluntaryInvoluntary(95% CI)(95% CI)
Model 2 n = 647n (%)n (%)  
Cumulative antipsychotic equivalent total dose > 156 (15.4)102 (35.9)3.07 (2.11, 4.47)**1.65 (1.05, 2.59)*
Model 3 n = 327n (%)n (%)  
Cumulative antidepressant equivalent total dose > 136 (13.3)9 (15.8)1.22 (0.55, 2.70)1.05 (0.37, 2.97)
Model 4 n = 221n (%)n (%)  
Cumulative benzodiazepine equivalent total dose > 14 (2.6)2 (2.9)1.13 (0.20, 6.32)0.92 (0.12,6.74)
  1. *p < 0.05, **p < 0.001
  2. CI confidence interval, ECT Electroconvulsive therapy
  3. aAdjusted for age, gender, country of birth, year of admission length of admission, admissions in last 12 months, primary diagnosis, ECT during admission, previous clozapine treatment, and three other psychotropic medicines groups on discharge;
  4. bAdjusted for age, gender, country of birth, year of admission, length of admission, admissions in last 12 months, primary diagnosis, ECT during admission, previous clozapine treatment, and total number of psychotropic medicines on discharge;