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Table 3 Predictors of LOS in PARC Services and Inpatient Units

From: Similarities and differences in people accessing prevention and recovery care services and inpatient units in Victoria, Australia

 PARCS (n = 10,835)Inpatient (n = 67,429)
RR (95% CI)p-valueRR (95% CI)p-value
Sex
 Female (ref.)1.00 1.00 
 Male0.97 (0.95, 1.00)0.0260.94 (0.93, 0.96)< 0.001
Age Group < 0.001 < 0.001
 < 20 (ref.)1.00 1.00 
 21–301.22 (1.14, 1.30) 1.06 (1.02, 1.09) 
 31–401.22 (1.15, 1.31) 1.12 (1.09, 1.16) 
 41–501.26 (1.19, 1.35) 1.14 (1.10, 1.18) 
 51–601.32 (1.23, 1.41) 1.30 (1.26, 1.35) 
 61+1.41 (1.29, 1.53) 1.37 (1.30, 1.43) 
ICD-10 Primary Diagnoses of:a   < 0.001
 Substance use disorders1.05 (1.02, 1.09)< 0.0010.97 (0.94, 0.99) 
 Schizophrenia or related disorders1.01 (0.99, 1.04)0.6901.36 (1.34, 1.39) 
 Mood [affective] disorders1.03 (1.00, 1.06)0.0461.18 (1.15, 1.20) 
 Anxiety or related disorders1.02 (0.99, 1.06)0.1400.84 (0.82, 0.86) 
 Behavioural syndromes1.14 (1.00, 1.29)0.0421.39 (1.28, 1.50) 
 Personality disorder0.93 (0.90, 0.97)< 0.0010.79 (0.77, 0.81) 
 Developmental disorders0.98 (0.00, 1.07)0.6071.13 (1.07, 1.19) 
Admission number0.99 (0.99, 0.99)< 0.0010.99 (0.98–0.99)< 0.001
HoNOS Itemsb
 Overactive, aggressive or disruptive behaviour0.94 (0.92, 0.95)< 0.0011.05 (1.04, 1.06)< 0.001
 Non-accidental self-injury1.00 (0.99, 1.02)0.7140.95 (0.95, 0.96)< 0.001
 Problem-drinking or drug taking0.96 (0.95, 0.97)< 0.0010.94 (0.94, 0.95)< 0.001
 Cognitive problems0.99 (0.98, 1.00)0.1901.06 (1.06, 1.07)< 0.001
 Physical illness or disability problems0.98 (0.97, 0.99)0.0011.01 (1.01, 1.02)< 0.001
 Problems associated with hallucinations or delusions1.05 (1.04, 1.06)< 0.0011.10 (1.09, 1.10)< 0.001
 Problems with depressed mood0.99 (0.98, 1.00)0.0560.96 (0.95, 0.97)< 0.001
 Other mental and behavioural problems1.01 (1.00, 1.02)0.0220.99 (0.98, 0.99)< 0.001
 Problems with relationships0.99 (0.98, 1.00)0.0970.97 (0.96, 0.98)< 0.001
 Problems with activities of daily living1.04 (1.02, 1.05)< 0.0011.05 (1.04, 1.06)< 0.001
 Problems with living conditions1.04 (1.03, 1.05)< 0.0011.04 (1.03, 1.04)< 0.001
 Problems with occupation and activities0.98 (0.97, 0.99)0.0040.99 (0.99, 1.00)0.022
  1. aDiagnoses are not mutually exclusive. Reference category is no such diagnosis. bReference category is “no” to the HONOS item