Non-Hispanic black (n = 13,797) n (%)a | Non-Hispanic white (n = 39,617) n (%)a | p-valueb | |
---|---|---|---|
Infants born SGA | 2940 (21.3) | 2305 (5.82) | < 0.001 |
Mean birthweight percentile for gestational age | 37.3 (26.5) | 51.3 (27.9) | |
Age of mother, years | < 0.001 | ||
< 20 | 4372 (31.7) | 4993 (12.6) | |
20-24 | 5333 (38.6) | 9877 (25.0) | |
25-29 | 2442 (17.7) | 12,015 (30.3) | |
30-34 | 1248 (9.05) | 10,078 (25.4) | |
35-39 | 373 (2.70) | 2514 (6.32) | |
40-44 | 31 (0.22) | 130 (0.33) | |
Educational level, years | < 0.001 | ||
No high school diploma | 4308 (31.2) | 5352 (13.5) | |
High school diploma | 7727 (56.0) | 17,281 (43.6) | |
College diploma | 1762 (12.8) | 16,894 (42.9) | |
Not married | 10,052 (72.9) | 8072 (20.4) | < 0.001 |
Birth order | < 0.001 | ||
1 | 7865 (57.0) | 27,584 (69.6) | |
2 | 4092 (29.7) | 8921 (22.5) | |
3 | 1794 (13.0) | 3053 (7.71) | |
> 4 | 46 (0.33) | 59 (0.15) | |
Smoker | 1412 (10.2) | 5491 (13.9) | < 0.001 |
Median household income (census tract) | $35,239 (13,115) | $46,485 (16,621) | < 0.001 |