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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Pain. 2018 Jan;159(1):150–156. doi: 10.1097/j.pain.0000000000001078

Table 1.

Logistic Regression Results

Model 1 Model 2
Parameter aOR 95%CI aOR 95%CI
Rural 0.94 (0.84, 1.04) - -
25–34 years 1.12 (0.77, 1.63) - -
35–44 years 1.59** (1.12, 2.27) 1.47** (1.15, 1.88)
45–54 years 2.13*** (1.52, 2.98) 1.95*** (1.57, 2.44)
55–64 years 3.13*** (2.25, 4.35) 2.82*** (2.29, 3.48)
65–74 years 4.15*** (2.98, 5.78) 3.68*** (2.97, 4.57)
75 + years 5.79*** (4.16, 8.06) 4.99*** (4.02, 6.19)
Number of Prescribers 1.13*** (1.10, 1.17) 1.15*** (1.12, 1.18)
Number of Pharmacies 1.11*** (1.06, 1.16) 1.11*** (1.06, 1.16)
Number of Prescriptions 0.99** (0.98, 0.99) - -
Opioid-Opioid Overlap 2.48*** (2.16, 2.86) - -
LA/SA Opioid Overlap 2.70*** (2.32, 3.13) - -
Any Prescription of ER/LA opioid - - 4.41*** (3.93, 4.94)
Opioid-Benzodiazepine/Sedative Overlap 2.13*** (1.89, 2.39) - -
Any Prescription of Benzodiazepine/Sedative - - 2.50*** (2.23, 2.79)
Opioid-Benzo-Carisoprodol Overlap 1.59* (1.08, 2.32) - -
Any Prescription of Carisoprodol - - 1.63** (1.25, 2.13)
MMEDD >= 90 mg 1.52*** (1.25, 1.83) - -

Note.

*

p<.05,

**

p<.01,

***

p<.001;

LA/SA = Long Acting/Short Acting; ER/LA = Extended Release/ Long Acting; MMEDD = Morphine Milligrams Equivalent Daily Dose; aOR = adjusted odds ratio; CI = confidence interval; For complete reporting of regression coefficients see online supplemental tables.