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Table 2 Odds Ratios for Prescription Opioid Dispensing: Patients With Schizophrenia or Bipolar Disorder Versus Matched Controls

From: Prescription opioid dispensing patterns among patients with schizophrenia or bipolar disorder

Parameter

Chronic Dispensing

Adjusted Odds Ratio (95% CI)

Nonchronic Dispensing

Adjusted Odds Ratio (95% CI)

Commercial databasea

  

 Schizophrenia

1.8 (1.7, 2.0)b

0.9 (0.9, 0.9)b

 Bipolar disorder

3.7 (3.6, 3.8)b

1.7 (1.7, 1.7)b

Medicaid databasea

  

 Schizophrenia

0.8 (0.8, 0.8)b

0.9 (0.9, 0.9)b

 Bipolar disorder

2.0 (1.9. 2.0)b

1.7 (1.6, 1.7)b

  1. Analysis was adjusted for relevant confounders
  2. aThe odds of receiving chronic or nonchronic prescription opioid dispensing were assessed for each psychiatric disease compared with matched controls using conditional logistic regression models. Models assessing the Commercial database were adjusted for age, sex, year, pain diagnoses, and medical comorbidities (based on CCI); models assessing the Medicaid database were adjusted for the same factors, with the addition of race
  3. bP < 0.05
  4. CCI Charlson Comorbidity Index, CI confidence interval