Ethnicity/Birthplace n (%) | |||||
---|---|---|---|---|---|
Maternal variables | U.S. White | U.S. Black | Somali | Hispanic | Total |
Age (years) a | |||||
18–25 | 63,060 (21.1) | 10,402 (51.9) | 2333 (17.3) | 18,599 (41.1) | 94,394 (25.0) |
26–35 | 201,024 (67.3) | 8334 (41.6) | 9194 (68.1) | 22,370 (49.5) | 240,922 (63.8) |
36–45 | 34,581 (11.6) | 1290 (6.4) | 1976 (14.6) | 4263 (9.4) | 42,110 (11.2) |
Total | 298,665 | 20,026 | 13,503 | 45,232 | 377,426 |
Frequency Missing = 0 | |||||
BMI Category (kg/m2) a | |||||
Underweight | 5784 (2.1) | 420 (2.3) | 443 (3.54) | 846 (2.0) | 7493 (2.1) |
Normal | 132,312 (47.0) | 5718 (31.2) | 4353 (34.8) | 14,724 (35.5) | 157,107 (44.4) |
Overweight | 75,093 (26.7) | 4816 (26.3) | 4339 (34.7) | 12,978 (31.3) | 97,226 (27.5) |
Obese | 68,142 (24.2) | 7375 (40.2) | 3387 (27.1) | 12,918 (31.2) | 91,822 (26.0) |
Total | 281,331 | 18,329 | 12,522 | 41,466 | 353,648 |
Frequency Missing = 23,778 | |||||
Education a | |||||
Less than high school | 11,255 (3.8) | 3484 (17.4) | 7049 (52.2) | 15,064 (33.3) | 36,852 (9.8) |
High school | 40,922 (13.7) | 6447 (32.2) | 3232 (23.9) | 12,692 (28.1) | 63,293 (16.8) |
College or Graduate | 199,329 (66.7) | 9440 (47.1) | 3111 (23.0) | 15,649 (34.6) | 227,529 (60.3) |
Post Graduate | 47,140 (15.8) | 651 (3.3) | 107 (0.8) | 1820 (4.0) | 49,718 (13.2) |
Unknown | 19 (0.01) | 4 (0.02) | 4 (0.03) | 7 (0.02) | 34 (0.01) |
Total | 298,665 | 20,026 | 13,503 | 45,232 | 377,426 |
Parity a | |||||
Nulliparous | 118,245 (39.7) | 6849 (34.3) | 2230 (16.6) | 13,513 (30.0) | 140,837 (37.4) |
Parous | 179,453 (60.3) | 13,116 (65.7) | 11,215 (83.4) | 31,570 (70.0) | 235,354 (62.6) |
Total | 297,698 | 19,965 | 13,445 | 45,083 | 376,191 |
Frequency Missing = 1235 | |||||
Diabetes a | |||||
No diabetes mellitus | 281,101 (94.1) | 18,730 (93.5) | 12,189 (90.3) | 40,476 (89.5) | 352,496 (93.4) |
Pregestational diabetes | 1624 (0.5) | 201 (1.0) | 142 (1.1) | 578 (1.3) | 2545 (0.7) |
Gestational diabetes | 15,938 (5.3) | 1095 (5.5) | 1172 (8.7) | 4177 (9.2) | 22,382 (5.9) |
Total | 298,663 | 20,026 | 13,503 | 45,231 | 377,423 |
Frequency Missing = 3 | |||||
Hypertension a | |||||
No hypertension | 280,109 (93.8) | 18,204 (90.9) | 13,047 (96.6) | 42,937 (94.9) | 354,297 (93.9) |
Chronic hypertension | 2890 (1.0) | 517 (2.6) | 56 (0.4) | 417 (0.9) | 3880 (1.0) |
Gestational hypertension | 15,662 (5.2) | 1305 (6.5) | 400 (3.0) | 1878 (4.2) | 19,245 (5.1) |
Total | 298,661 | 20,026 | 13,503 | 45,232 | 377,422 |
Frequency Missing = 4 |