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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Psychiatr Serv. 2016 Jan 14;67(4):397–404. doi: 10.1176/appi.ps.201500116

Table 3.

Linear probability regression results of opioid misuse

(1)
Doctor
shopping
(N=61,477)
(2)
Pharmacy
shopping
(N=61,477)
(3)
Opioid prescription
overlap
(N=61,477)
(4)
Opioid/benzodiazepine
overlap
(N=61,477)

MEQ deciles Coef SE Coef SE Coef SE Coef SE
Decile 1:Ref group -- -- -- -- -- -- -- --
Decile 2 (MEQ≥61.2) −.0017 .0010 .0000 .0001 −.0003 .0005 −.0027*** .0010
Decile 3 (MEQ ≥81) −.0010 .0010 .0000 .0001 .0005 .0005 −.0018 .0010
Decile 4 (MEQ ≥112.5) −.0040*** .0011 −.0002 .0001 −.0003 .0005 .0033** .0014
Decile 5 (MEQ ≥151.2) −.0094*** .0011 −.0005*** .0001 −.0002 .0006 .0014 .0013
Decile 6 (MEQ ≥240) −.0128*** .0013 −.0007*** .0002 −.0007 .0008 .0088*** .0018
Decile 7 (MEQ ≥390) .0051** .0025 −.0011*** .0002 .0008 .0012 .0199*** .0024
Decile 8 (MEQ ≥750) .1048*** .0055 .0021*** .0008 .0216*** .0026 .0673*** .0040
Decile 9 (MEQ ≥2,228) .1099*** .0055 .0049*** .0010 .1338*** .0053 .1613*** .0054
Decile 10 (MEQ ≥9,905) .0796*** .0048 .0065*** .0011 .2488*** .0069 .2988*** .0067
a

In each regression, other control variables include patient demographics (age, gender, and rurality), pain-related diagnoses (joint pain, back pain, neck pain, headache, fractures, visceral pain, wound/injury, neuropathy, reproductive system pain, and other pain) other diagnoses (depression, bipolar, schizophrenia, alcohol program, and drug problem), risk-adjusters of CDPS, and coordinated care organization.

b

Each regression is estimated using an ordinary least squares regression.

c

*** p<0.01, ** p<0.05