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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Drug Alcohol Depend. 2016 Jan 13;160:82–89. doi: 10.1016/j.drugalcdep.2015.12.035

Table 1.

Comparison of baseline demographic factors of Veterans with Opioid Use Disorder receiving opioid Agonist Therapy options

(A) Methadone Only (B) Buprenorphine only (C) Buprenorphine and Methadone* Statistics
(B) Vs (A) (C) Vs (A) (B) Vs (C)
N= 6252 N=5670 N= 2513
Mean (SD) Mean (SD) Mean (SD) Cohens d Cohens d Cohens d
Age in years 54.46 (11.21) 44.93 (13.53) 44.79 (13.52) −0.76 −0.77 0.01
Income ($) 14684.35 (22165.85) 16795.58 (23341.13) 15980.43 (23446.39) 0.09 0.06 0.04
Percent Percent Percent Risk Ratio Risk Ratio Risk Ratio
Male 96.71 93.74 94.19 0.97 0.97 1.00
Area of residence
Rural 5.40 24.64 20.52 4.60 3.80 1.21
Urban 94.61 75.16 79.47 0.79 0.84 0.95
OEF/OIF Era Veterans 7.57 24.64 25.55 3.26 3.38 0.96
VA Pension receipt 14.88 5.57 7.08 0.37 0.48 0.79
VA Service Connection ≥50% 19.98 26.95 23.36 1.35 1.17 1.15
VA Service Connection <50% 14.19 17.50 18.90 1.23 1.33 0.93
Homeless 36.01 26.26 30.44 0.73 0.85 0.86
Race/Ethnicity
Black 40.06 12.07 14.80 0.30 0.37 0.82
White 55.67 85.49 81.92 1.54 1.47 1.04
Hispanic 11.58 11.81 14.56 1.02 1.26 0.81
Other 7.79 8.11 7.00 1.04 0.90 0.86
*

Received buprenorphine and had methadone clinic visit in the same year