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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: Drug Alcohol Depend. 2020 Jan 7;208:107779. doi: 10.1016/j.drugalcdep.2019.107779

Table B.2.

OLS: Relationship Between Monthly BCI Crime Lab Tests and Monthly Overdose Death Rate (per 100,000 adults), 2010–2017

All
Counties
(1)
Small
Counties
(2)
Medium
Counties
(3)
Large
Counties
(4)
Fentanyl 0.0510***
(0.0145)
0.0514
(0.0448)
0.0773**
(0.0340)
0.0440**
(0.0182)
Carfentanil 0.0904***
(0.0283)
−0.0220
(0.1350)
−0.0258
(0.1276)
0.1117***
(0.0287)
Other Fentanyl Analogs 0.1319***
(0.0319)
0.3823**
(0.1650)
0.1025***
(0.0314)
0.1450***
(0.0376)
Heroin −0.0038
(0.0044)
−0.0285*
(0.0169)
−0.0060
(0.0106)
0.0011
(0.0028)
Benzodiazepines 0.0046
(0.0100)
−0.0035
(0.0321)
0.0222
(0.0259)
−0.0009
(0.0082)
MDMA −0.0045
(0.0145)
−0.1467
(0.1154)
−0.0140
(0.0239)
0.0016
(0.0152)
Other Synthetic Stimulants (Not Meth/Amph) 0.0039
(0.0053)
0.0182
(0.0425)
0.0216
(0.0193)
−0.0005
(0.0034)
Unemployment Rate (%*100) −0.0755
(0.0558)
−0.0256
(0.0842)
−0.1972**
(0.0888)
−0.0901
(0.0676)
Poverty Rate (%*100) −0.0050
(0.0299)
−0.1010**
(0.0474)
0.1050***
(0.0331)
0.0012
(0.0380)
Median Income ($1000s) −0.0272
(0.0223)
−0.0269
(0.0338)
−0.0339
(0.0417)
−0.0014
(0.0325)
MED Opioids Per Capita 0.0562
(0.2738)
−0.5098
(0.4164)
0.7558***
(0.2003)
−0.2588
(0.3169)
MED Suboxone Per Capita −0.4955
(0.7270)
0.8289
(1.0070)
−1.6142**
(0.6081)
−0.8193
(2.1357)
Other Drug Tests yes yes yes yes
County and Month FE yes yes yes yes
County-Month Linear Trends yes yes yes yes
R-Squared 0.26 0.18 0.31 0.58
Observations 8352 3744 2016 2592
Counties 87 39 22 26

Notes: Robust standard errors, clustered at the county level, are reported in parentheses. Other drug tests control for the number of monthly positive tests of cocaine, synthetic cannibinoids, methamphetamine/amphetamines, psychedelics, and other designer drugs (each as a separate variable). See Appendix A for detailed definitions of drug categories. Each observation is at the county-month level from 2010 through 2017. The death rate is calculated as the number of deaths in a county-month divided by the county population aged 18 and over from the US Census July 1st estimates for the corresponding year multiplied by 100,000. Small Counties: population 50,000 or less. Medium Counties: population between 50,000 and 100,000. Large Counties: population more than 100,000.

*

p < 0.1.

**

p < 0.05.

***

p < 0.01.