TABLE 2.
Maternal and Infant Characteristics Among Mother–Infants Dyads Infected With and Exposed to HCV Stratified by Whether Infants Exposed to HCV Were Tested for HCV
| Maternal Characteristics | Not Tested for HCV, N = 3126 | Tested for HCV, N = 946 | P |
|---|---|---|---|
| Age, median (IQR), y | 26 (23–30) | 26 (23–30) | .57 |
| Education, median (IQR), y | 12 (11–12) | 12 (11–12) | .02 |
| Race, % (n) | <.001 | ||
| White | 91.8 (2862) | 96.6 (913) | — |
| African American | 7.4 (232) | 3.1 (29) | — |
| Other | 0.7 (23) | 0.3 (3) | — |
| Ethnicity, % (n) | .71 | ||
| Hispanic | 1.3 (41) | 1.2 (11) | — |
| Non-Hispanic | 98.7 (3077) | 98.8 (935) | — |
| Residence rurality, % (n) | .16 | ||
| Urban | 67.8 (2111) | 71.1 (672) | — |
| Rural adjacent | 26.2 (816) | 23.6 (223) | — |
| Rural remote | 6 (186) | 5.3 (50) | — |
| Pregnancy characteristics | |||
| Gravidity, median (IQR) | 2 (1–3) | 2 (1–3) | .10 |
| Parity, median (IQR) | 1 (0–2) | 1 (0–2) | .02 |
| Admitted to ICU, % (n) | 0.3 (a) | 0.4 (a) | .41 |
| Tobacco use, % (n) | 70 (2180) | 78 (736) | <.001 |
| Maternal infections | |||
| Hepatitis B, % (n) | 2.7 (83) | 2.1 (20) | .35 |
| HIV, % (n) | 0.4 (12) | 1.3 (12) | .002 |
| Infant characteristics | |||
| Gestational age at birth, median (IQR), wk | 39 (37–39) | 38 (37–39) | <.001 |
| Birth wt, median (IQR), g | 3040 (2680–3380) | 2960 (2580–3320) | <.001 |
| Small for gestational age (<10th percentile), % (n) | 21 (657) | 23 (214) | .26 |
| Sex, % (n) | .9 | ||
| Male | 51 (1589) | 51 (483) | — |
| Female | 49 (1537) | 49 (463) | — |
| Admitted to NICU, % (n) | 11 (332) | 14 (135) | .002 |
| Congenital or neonatal disorder,b % (n) | 0.4 (13) | 0.4 (a) | .98 |
| Breastfed infant, % (n) | 34 (1018) | 32 (292) | .25 |
| Health care use | |||
| Prenatal visit No., median (IQR) | 10 (7–13) | 10 (7–13) | .01 |
| Well-child visit No., median (IQR) | 6 (4–7) | 7 (6–9) | <.001 |
Data may not sum up to 100% because of missing data. IQR, interquartile range; —, not applicable.
a
Values <10 were suppressed.
b
Congenital or neonatal disorder included the following: birth injury, cleft lip, cleft palate, confirmed trisomy 21, congenital hernia, gastroschisis, heart disease, hypospadias, limb reduction, omphalocele, seizures, and spina bifida.