Table 1 Maternal characteristics for sample by intervention status
Maternal Characteristic | Overall (n = 283,173) | Intervention Period | P-value | |
|---|---|---|---|---|
Pre (n = 149,333) | Post (n = 133,840) | |||
Age, mean ± SD | 26.6 ± 5.8 | 26.4 ± 5.9 | 26.7 ± 5.8 | < 0.0001 |
Race, n (%) | 0.0379 | |||
White | 189,534 (66.9) | 99,708 (66.8) | 89,826 (67.1) | |
Black | 60,947 (21.5) | 32,179 (21.6) | 28,768 (21.5) | |
Other | 32,692 (11.5) | 17,446 (11.7) | 15,246 (11.4) | |
Hispanic Ethnicity, n (%) | 27,004 (9.5) | 14,459 (9.7) | 12,545 (9.4) | 0.0052 |
More than a High School Education, n (%) | 147,846 (52.2) | 76,326 (51.1) | 71,520 (53.4) | < 0.0001 |
Insurance Type, n (%) | < 0.0001 | |||
Private | 143,306 (50.6) | 74,704 (50.0) | 68,602 (51.3) | |
Medicaid | 112,887 (39.9) | 59,867 (40.1) | 53,020 (39.6) | |
Other | 26,980 (9.5) | 14,762 (9.9) | 12,218 (9.1) | |
Annual Income <$25,000, n (%) | 105,231 (37.2) | 54,973 (36.8) | 50,258 (37.6) | < 0.0001 |
Prenatal visits ≥5, n (%) | 246,204 (86.9) | 129,815 (86.9) | 116,389 (87.0) | 0.8043 |
Nulliparous, n (%) | 117,108 (41.4) | 62,327 (41.7) | 54,781 (40.9) | < 0.0001 |