Table 2.
Descriptive statistics for states implementing or extending substance use disorder (SUD) parity laws between 2000 and 2008, versus the states with no change in SUD parity status.
| Any Change in Parity | No Change in Parity | Mean- Difference† | Data Sources‡ | |||
|---|---|---|---|---|---|---|
| Always Parity | No Parity | No Change Total | ||||
|
| ||||||
| Mean (Sd.) | Mean (Sd.) | Mean (Sd.) | Mean (Sd.) | p-value | ||
| # States-Year Observations | 80=10×8 | 128=16×8 | 184=23×8 | 312=39×8 | -- | |
|
| ||||||
| Dependent Variable | ||||||
| % SUD Treatment Rate in All Facilities | 1.5 (0.4) | 1.3 (0.5) | 1.4 (0.5) | 1.4 (0.5) | 0.03 | N-SSATS |
|
% SUD Treatment Rate in Facilities Accepting Private Insurance |
1.3 (0.4) | 1.0 (0.5) | 1.1 (0.5) | 1.1 (0.5) | <0.001 | N-SSATS |
|
| ||||||
| % Facilities Accepting Private Insurance | 80.3 (9.5) | 70.8 (7.7) | 64.2 (6.8) | 66.2 (7.2) | <0.001 | N-SSATS |
|
| ||||||
| Covariates | ||||||
| % African/Black | 6.1 (6.2) | 10.4 (9.2) | 11.7 (10.6) | 11.2 (10.0) | <0.001 | CPS |
| % Hispanic/Latino | 4.1 (3.2) | 9.1 (9.8) | 10.5 (10.3) | 9.9 (10.1) | <0.001 | CPS |
| % Poverty | 11.9 (3.0) | 11.9 (3.2) | 12.4 (2.9) | 12.2 (3.0) | 0.43 | CPS-ASEC |
| % SUD Prevalence | 9.6 (1.2) | 9.4 (0.9) | 9.3 (1.1) | 9.3 (1.0) | 0.03 | NSDUH |
| % Medicaid-Eligible | 13.4 (3.7) | 12.6 (3.5) | 12.9 (3.4) | 12.8 (3.4) | 0.12 | CPS-ASEC |
| $ SAPTBG Funding (per capita) | 5.6 (1.1) | 5.5 (1.1) | 5.4 (0.8) | 5.4 (0.9) | 0.24 | TIE |
| % Employer-Sponsored Private-Insured | 62.2 (6.0) | 60.7 (6.2) | 59.8 (5.6) | 60.1 (5.8) | 0.005 | CPS-ASEC |
| % Individual-Purchased Private-Insured | 9.5 (2.8) | 10.1 (2.9) | 9.8 (2.9) | 9.9 (2.9) | 0.25 | CPS-ASEC |
| % Workforce in 500+ Employers | 44.6 (6.4) | 48.0 (5.5) | 47.8 (5.5) | 47.9 (5.5) | <0.001 | SUSB |
| % Workforce in 20− Employers | 21.2 (4.3) | 18.7 (2.8) | 19.8 (3.4) | 19.3 (3.2) | <0.001 | SUSB |
|
| ||||||
| # Population (1,000,000) | 3.0 (2.8) | 5.4 (5.2) | 7.2 (7.8) | 6.5 (6.9) | <0.001 | PEP |
Note:
p-value for mean-difference is calculated based on two sample t-test between 10 states with change in parity (Column 1) and 39 states with no change (Column 4);
N-SSATS: National Survey of Substance Abuse Treatment Services, SAMHSA; CPS: Current Population Survey, Census Bureau; -ASEC: -Annual Social and Economic Supplement; NSDUH: National Survey of Drug Use and Health, SAMHSA; TIE: Treatment Improvement Exchange, SAMHSA; SUSB: Statistics of United States Businesses, Census Bureau; PEP: Population Estimates Program, Census Bureau.