| FL Late Entry n = 100,471 (17.79%) n (%) | FL Non-Late Entry n = 457,510 (82.2%) n (%) | WA Late Entry n = 40,037 (18.87%) n (%) | WA Non-Late Entry n = 169,938 (81.12%) n (%) | Total Late Entry n = 140,508 (18.30%) n (%) | Total Non-Late Entry n = 627,448 (81.70%) n (%) | U.S. (2008)b n = 1,703,921 (first births unless otherwise indicated) |
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Mother’s Age | |||||||
 Mother’s Age, years (mean, SD) | 22.67 (SD 5.91) | 25.78 (SD 6.11) | 23.46 (SD 5.70) | 26.40 (SD 5.97) | 22.90(SD = 5.86)t-test: p = 0.00 | 25.95 (SD = 6.08)t-test: p = 0.00 | Total births: 25.1(−-)c |
 Number and proportion of Teenage Births (< 19) as component group of total study populationd | 35,443 (35.28) | 75,930 (16.60) | 11,211 (27.99) | 22,762 (13.39) | 46,654 (33.20) | 98,692 (15.73) | 354,897 (20.8)b |
Mother’s Race/Ethnicity | |||||||
 Non-Hispanic White | 48,306 (15.24) | 268,648 (84.76) | 22,117 (16.15) | 114,856 (83.85) | 70,423 (15.51) | 383,504 (84.49) | 952,478 (55.90)b |
 Hispanic Whitee | 16,215 (24.31) | 50,483 (75.69) | 8231 (27.77) | 21,408 (72.23) | 24,446 (25.38) | 71,891 (74.62) | 360,966 (21.18)b |
 Non-Hispanic Black | 26,975 (24.75) | 82,009 (75.25) | 1998 (25.87) | 5725 (74.13) | 29,205 (24.83) | 87,734 (75.17) | 244,340 (14.34)b |
Maternal SES | |||||||
 Foreign-Born Motherf | 32,233 (32.08) | 135,358 (29.58) | 6518 (16.27) | 25,177 (14.81) | 38,751 (27.58) | 160,535 (25.58) | Total births: --(24.00)g |
 Married (Mother) | 28,598 (28.47) | 241,714 (52.84) | 16,860 (42.27) | 110,142 (64.95) | 45,458 (32.39) | 351,856 (56.11) | Total births: 2,523,146 (59.35)g |
Number and proportion of Births those with less than High School Education as component group of total study populationh | 9795 (9.79) | 23,558 (5.17) | 3505 (8.75) | 8406 (4.94) | 13,300 (9.49) | 31,964 (5.11) | Total births:--(20.00) i |
 Medicaid Birthj | 63,180 (62.88) | 181,290 (39.62) | 21,392 (53.52) | 51,180 (30.22) | 84,572 (60.22) | 232,470 (37.08) | Total births 1,715,957 (40.08) j |
 WIC Utilization | 65,434 (66.20) | 202,041 (44.72) | 19,779 (54.55) | 52,869 (34.32) | 85,213 (63.07) | 254,910 (42.08) | Total births: 2,432,006 (57.25) k |