| Outcome: oral surgery services visits per year |
---|---|
Difference-in-differences model | |
No expansion | Ref |
Medicaid expansion × post-expansion | 0.913* |
(0.034) | |
Event study model | |
Medicaid expansion by time relative to expansion year | Â |
 2012 (Year −2) | 0.998 |
(0.052) | |
 2013 (Year −1) | Ref |
 2014 (Year 0) | 1.017 |
(0.072) | |
 2015 (Year 1) | 0.928+ |
(0.041) | |
 2016 (Year 2) | 0.865+ |
(0.067) | |
 2017 (Year 3) | 0.853* |
(0.06) | |
Covariates | |
Hispanic patients (%) | 0.998 |
(0.004) | |
White, non-Hispanic patients (%) | 1.004 |
(0.005) | |
Black, non-Hispanic patients (%) | 1.002 |
(0.004) | |
Female patients (%) | 0.989 |
(0.014) | |
Patients < 18 years old (%) | 1.007 |
(0.006) | |
Patients < 100% of poverty level (%) | 0.998 |
(0.004) | |
Patients with depression/mood disorder diagnosis (%) | 0.991 |
(0.009) | |
Patients with diabetes mellitus diagnosis (%) | 0.966+ |
(0.022) | |
Total patients (in 1000s) | 1.018** |
(0.003) | |
Unemployment rate (state—%) | 1.01 |
(0.043) | |
Persons reporting poor or fair health (state—%) | 1.004 |
(0.009) | |
Persons experiencing obesity (state—%) | 1.025* |
(0.012) |