TABLE 3—
Opioids, b (95% CI) | Buprenorphine, b (95% CI) | Methadone, b (95% CI) | Naltrexone, b (95% CI) | |
Post (1 = postexpansion; 0 = preexpansion) | 7 376.54 (2 769.77, 11 983.3) | −105.74 (−484.92, 273.43) | 131.42 (26.78, 236.06) | 25.49 (−3.01, 54.00) |
Post × expanded | −2 090.27 (−7 884.19, 3 703.65) | −107.95 (−366.44, 582.34) | −78.90 (−206.34, 48.53) | −18.75 (−54.21, 16.70) |
Time (quarters) | 216.55 (−193.69, 626.79) | 43.47 (8.98, 77.95) | −9.51 (−18.83, −0.19) | 0.59 (−1.93, 3.12) |
Time × post | −664.25 (−1 331.90, 3.40) | −32.54 (−87.52, 22.43) | −4.28 (−19.46, 10.90) | 0.63 (−3.48, 4.75) |
Time × expanded | −154.61 (−643.18, 333.96) | 28.84 (−12.45, 70.13) | −0.02 (−11.05, 11.08) | 0.74 (−2.24, 3.73) |
Time × expanded × post | 372.33 (−463.47, 1 208.13) | 96.49 (27.74, 165.24) | 3.66 (−14.79, 22.11) | 8.56 (3.47, 13.64) |
(Constant) | 12 967.47 (11 268.62, 14 666.32) | 1 135.77 (995.69, 1 275.85) | 277.47 (240.71, 314.24) | 55.62 (45.23, 66.02) |
Note. CI = confidence interval. All prescribing rates are number of prescriptions reimbursed by Medicaid per 100 000 Medicaid enrollees.