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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Subst Abuse Treat. 2018 Apr 4;89:75–86. doi: 10.1016/j.jsat.2018.04.002

Table 1.

Characteristics of participants in the total sample and sub-samples for the examining the association of Medicaid enrollment at T1 and use of services between T1 and T2 in the National Epidemiologic Survey on Alcohol and Related Conditions.

Total sample
(N= 34,653)
Sub-sample for
assessment of
substance use disorder
treatments
(N= 10,216)
Variable N Percent N Percent
Sex
  Female 20,089 52.1 4,144 35.7
  Male 14,564 47.9 6,072 64.3
Age, years
  18–29 6,719 21.8 2,600 28.5
  30–39 7,299 20.1 2,659 24.8
  40–54 10,226 29.6 3,356 31.9
  55+ 10,409 28.5 1,601 14.9
Race/ethnicity
  Non-Hispanic white 20,174 70.9 7,007 78.5
  Non-Hispanic black 6,577 11.0 1,337 7.8
  Hispanic 6,356 11.6 1,504 9.0
  Other 1,546 6.5 368 4.7
Personal income in $1,000
  <20 16,385 46.2 3,787 37.4
  20 - <35 8,093 22.8 2,522 23.7
  35 - <60 6,519 19.1 2,393 23.0
  60+ 3,656 11.8 1,514 15.9
SUD in past year (at T1) 4,813 14.7 4,313 42.2
Health Insurance at T1
  Medicaid 2,610 5.7 586 4.4
  Medicare 6,889 18.2 929 8.3
  Private insurance 23,125 69.7 7,316 73.2
  Other insurance 1,183 3.5 391 4.0
  No insurance 6,248 18.0 1,912 18.7

Abbreviations: T1 represents baseline interview and T2, the follow-up interview. SUD stands for substance use disorder.