Table 3.
Unadjusted Relative Risk and Stratified RRs for Neonatal and Postneonatal Deaths for Drug/Alcohol-Diagnosed Births Relative to Nondiagnosed Births
| Total number of deaths | Neonatal
|
Postneonatal
|
||
|---|---|---|---|---|
| 19,136
|
10,926
|
|||
| RR | 95% CI | RR | 95% CI | |
| Unadjusted risk | 2.4 | 2.16, 2.56* | 4.3 | 3.91, 4.65* |
| Race/ethnicity | ||||
| Other | 2.3 | 1.41, 3.65* | 4.8 | 3.19, 7.26* |
| African American | 1.4 | 1.18, 1.56* | 2.8 | 2.41, 3.18* |
| White Hispanic | 2.1 | 1.74, 2.55* | 3.9 | 3.24, 4.77* |
| White non-Hispanic | 2.5 | 2.13, 2.85* | 3.7 | 3.22, 4.35* |
| Maternal age | ||||
| ≤19 years | 2.0 | 1.48, 2.56* | 3.1 | 2.36, 3.99* |
| 20–34 years | 2.7 | 2.44, 2.98* | 4.7 | 4.22, 5.17* |
| ≥35 years | 1.7 | 1.32, 2.24* | 5.3 | 4.20, 6.71* |
| Tobacco use during pregnancy | ||||
| Yes | 1.7 | 1.34, 2.08* | 1.8 | 1.46, 2.27* |
| No | 2.4 | 2.15, 2.59* | 4.4 | 3.97, 4.80* |
| Prenatal care began | ||||
| None | 0.9 | 0.71, 1.02 | 2.2 | 1.79, 2.75* |
| First trimester | 2.4 | 2.09, 2.73* | 4.4 | 3.82, 4.99* |
| Second trimester | 2.1 | 1.69, 2.49* | 3.2 | 2.72, 3.84* |
| Third trimester | 1.7 | 1.10, 2.64* | 2.9 | 2.14, 3.85* |
| Birth weight | ||||
| Low birth weight (<2500g) | 0.6 | 0.58, 0.71* | 1.7 | 1.50, 1.93* |
| Normal birth weight (≥2500g) | 2.3 | 1.84, 2.82* | 4.1 | 3.62, 4.59* |
*
A CI that does not include 1.0 would be considered statistically significant.