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. Author manuscript; available in PMC: 2021 Nov 12.
Published in final edited form as: J Health Econ. 2020 Dec 13;76:102397. doi: 10.1016/j.jhealeco.2020.102397

Table 3:

Extensive margin effects by provider type

Filled a prescription written by a: (×100)
Physician
(1)
PCP
(2)
Surgeon
(3)
Pain MD
(4)
Dentist
(5)
NP or PA
(6)
Limits 0.088
(0.014)
0.059
(0.010)
−0.001
(0.003)
−0.000
(0.000)
−0.008
(0.006)
−0.001
(0.012)
PDMP −0.031
(0.020)
−0.017
(0.014)
0.001
(0.003)
−0.000
(0.000)
−0.010
(0.010)
−0.002
(0.007)
α = β 0.000 0.000 0.560 0.191 0.873 0.941
Mean DV 0.747 0.261 0.168 0.002 0.172 0.082

Notes: PCP is primary care provider, NP nurse practitioner, PA physician’s assistant. Table reports estimates of the coefficients on indicators for “initial prescription limits” and “must access PDMPs”, obtained from estimating OLS regressions of the indicated variables against policy indicators, state fixed effects, and month-year fixed effects. MED is morphine equivalent days. The row labelled α = β reports p-values of the hypothesis that the coefficients on MustAccessPDMP and Limits are equal. Robust standard errors, clustered on state, in parentheses.