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Table 4 Parameter estimates of the best-fitting model (HNB model) for the 3 months follow up period (n=200,537). OR: odds ratio, RR: risk ratio

From: Modeling socio-demographic and clinical factors influencing psychiatric inpatient service use: a comparison of models for zero-Inflated and overdispersed count data

logit[P(Yi>0)] OR 95% CI of OR P-value
   Lower Upper  
Registered Indian (Yes vs. No) 1.59 1.36 1.86 <0.001*
GP visit (Yes vs. No) 0.63 0.53 0.75 <0.001*
Lloydminster vs. Saskatoon 1.93 1.58 2.34 <0.001*
Regina vs. Saskatoon 1.64 1.37 1.97 <0.001*
Rest of Saskatchewan vs. Saskatoon 2.38 2.03 2.78 <0.001*
Age [6,29] vs. Age [61,86] 2.15 1.81 2.56 <0.001*
Age [30,45] vs. Age [61,86] 1.22 1.01 1.46 0.041*
Age [46,60] vs. Age [61,86] 0.99 0.82 1.20 0.941
Gender (Male vs. Female) 1.22 1.09 1.37 <0.001*
log[ E(Yi|Yi>0)] RR 95% CI of RR P-value
   Lower Upper  
Psychiatric visit (Yes vs. No) 1.99 1.33 2.97 <0.001*
Lloydminster vs. Saskatoon 0.58 0.31 1.08 0.090
Regina vs. Saskatoon 0.37 0.20 0.68 0.001*
Rest of Saskatchewan vs. Saskatoon 0.84 0.53 1.31 0.444
Age [6,29] vs. Age [61,86] 0.61 0.38 1.00 0.050*
Age [30,45] vs. Age [61,86] 1.04 0.63 1.71 0.862
Age [46,60] vs. Age [61,86] 1.18 0.70 1.97 0.521
Anxiety vs. Others 1.07 0.41 2.76 0.888
Behavioral disorder vs. Others 1.43 0.43 4.69 0.548
Substance use vs.Others 1.11 0.37 3.28 0.849
Mood disorder vs. Others 2.11 0.85 5.20 0.102
Schizophrenia vs. Others 1.27 0.48 3.38 0.621
  1. Psychiatric visit: Outpatient Psychiatric visit prior to index date.
  2. GP visit: Outpatient GP visit prior to index date