Table 4.
Identification, Treatment Initiation and Treatment Engagement Using HEDIS-based SUD Performance Measures Before and After implementation of the MHPAEA1
| Identification with a New SUD Diagnosis (N) |
Change in value before and after parity 2 |
|||
|---|---|---|---|---|
| 2009 | 2010 | Percentage point change |
95 % CI (percentile bootstrap) |
|
| Self-Insured enrollees (N=162,761) |
0.81% | 0.91% | 0.01% | [−0.074, 0.094] |
| Fully insured enrollees (N=135,578) |
0.53% | 0.62% | ||
| Treatment Initiation (%) | Change in value before and after parity |
|||
| 2009 | 2010 | Percentage point change |
95 % CI (percentile bootstrap) |
|
| Self-Insured Enrollees 3 | 34.71% | 33.33% |
0.44% |
[−5.07, 6.40] |
| Fully Insured Enrollees 4 | 32.63% | 30.81% | ||
| Treatment Engagement (%) | Change in value before and after parity |
|||
| 2009 | 2010 | Percentage point change |
95 % CI (percentile bootstrap) |
|
| Self-Insured Enrollees 3 | 19.29% | 19.57% |
1.84 |
[−2.79, 6.65] |
| Fully Insured Enrollees 4 | 19.40% | 17.84% | ||
1
Models adjust for gender, age and state.
2
A difference-in-differences analysis was used to account for secular trends.
3
Number of self insured enrollees included in treatment initiation and treatment engagement analysis in 2009 and 2010 were 1359 and 1532, respectively.
4
Number of fully insured enrollees included in treatment initiation and treatment engagement analysis in 2009 and 2010 were 691 and 812, respectively.