Table 2. Prevalence of Opioid Use Disorder Diagnosis and Treatment of Pregnant Women by Region and Presence of Legislation.
| Variable | All Women | Women With an Opioid Use Disorder Diagnosis, No. (%) | P Value | Women Receiving Medication-Assisted Treatment, No. (%) | P Value |
|---|---|---|---|---|---|
| Region | |||||
| Midwest | 32 228 | 52 (0.05) | <.01 | 52 (0.05) | <.01 |
| Northeast | 23 066 | 98 (0.09) | 87 (0.08) | ||
| South | 34 621 | 66 (0.06) | 113 (0.10) | ||
| West | 20 370 | 61 (0.06) | 60 (0.05) | ||
| Legislation present | |||||
| Yes | 44 683 | 81 (0.07) | <.01 | 129 (0.12) | .76 |
| No | 65 602 | 196 (0.18) | 183 (0.17) | ||
| All | 110 285 | 277 (0.25) | 312 (0.28) |