Table 2.
Prevalence of intra-substance use exposure (IUSE) and incidence of neonatal abstinence syndrome (NAS) in West Virginia (October 2016 to 31 Dec 2017) by SAMHSA sub-state regional classification system, N = 19,974
| Regions | Population frequency (%) | IUSE % (95% CI) | Rank | NAS % (95% CI) | Rank | NAS % among IUSE (95% CI) | Rank |
|---|---|---|---|---|---|---|---|
| 1 | 1379 (6.92%) | 18.49 (16.44–20.54) | 1 | 8.41 (6.95–9.88) | 1 | 45.49 (39.38–51.60) | 1 |
| 2 | 1854 (9.30%) | 15.32 (13.68–16.96) | 2 | 4.21 (3.29–5.12) | 5 | 27.46 (22.27–32.66) | 5 |
| 3 | 1801 (9.04%) | 14.99 (13.34–16.64) | 3 | 2.67 (1.92–3.41) | 6 | 17.78 (13.22–22.34) | 6 |
| 4 | 4871 (24.44%) | 13.49 (12.53–14.45) | 6 | 5.79 (5.13–6.45) | 2 | 42.77 (38.99–46.55) | 2 |
| 5 | 6171 (30.96%) | 13.79 (12.93–14.65) | 5 | 5.46 (4.89–6.03) | 3 | 39.60 (36.31–42.89) | 3 |
| 6 | 3853 (19.33%) | 14.69 (13.57–15.81) | 4 | 4.88 (4.20–5.56) | 4 | 33.22 (29.34–37.10) | 4 |
| Total | 19,929 | 14.47 (13.98–14.95) | 5.26 (4.95–5.57) | 36.35 (34.60–38.11) | |||
| Missing | 45 | 45 | 45 | 8 |