Table 2.
Women parous at baseline: baseline characteristics for follow-up pregnancy and birth groups by race
| Parous at baseline | Black women n (%) Follow-up pregnancy and birth groups (end of follow-up) |
White women n (%) Follow-up pregnancy and birth groups (end of follow-up) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Baseline characteristics | P0: no pregnancies | P1: 1+ short pregnancies | B1: one birth | B2: two or more births | P | P0: no pregnancies | P1: 1+ short pregnancies | B1: one birth | B2: two or more births | P |
| n | 233 | 58 | 154 | 59 | <0.001 | 82 | 26 | 54 | 21 | 0.015 |
| Age group | ||||||||||
| 18–24 y | 45 (19.3) | 19 (32.8) | 69 (44.8) | 37 (62.7) | 9 (11.0) | 8 (30.8) | 12 (22.2) | 8 (38.1) | ||
| 25–30 y | 188 (80.7) | 39 (67.2) | 85 (55.2) | 22 (37.3) | 73 (89.0) | 18 (69.2) | 42 (77.8) | 13 (61.9) | ||
| Weight status | 0.20 | <0.001 | ||||||||
| BMI <25 | 110 (47.2) | 33 (56.9) | 88 (57.1) | 33 (55.9) | 42 (51.2) | 18 (69.2) | 42 (77.8) | 20 (95.2) | ||
| BMI ≥25 | 123 (52.8) | 25 (43.1) | 66 (42.9) | 26 (44.1) | 40 (48.8) | 8 (30.8) | 12 (22.2) | 1 (4.8) | ||
| Education | 0.058 | 0.001 | ||||||||
| High school or less | 143 (61.4) | 28 (48.3) | 71 (46.1) | 35 (59.3) | 49 (59.8) | 16 (61.5) | 23 (42.6) | 8 (38.1) | ||
| Some college | 75 (32.2) | 23 (39.7) | 65 (42.2) | 17 (28.8) | 26 (31.7) | 8 (30.8) | 18 (33.3) | 3 (14.3) | ||
| College graduate | 15 (6.4) | 7 (12.0) | 18 (11.7) | 7 (11.9) | 7 (8.5) | 2 (7.7) | 13 (24.1) | 10 (47.6) | ||
| Smoking history | 0.22 | 0.29 | ||||||||
| Never | 112 (48.1) | 27 (46.6) | 85 (55.2) | 34 (57.6) | 36 (43.9) | 6 (23.1) | 28 (51.9) | 10 (47.6) | ||
| Past | 29 (12.5) | 6 (10.3) | 21 (13.6) | 2 (3.4) | 16 (19.5) | 5 (19.2) | 10 (18.5) | 4 (19.1) | ||
| Current | 92 (39.5) | 25 (43.1) | 48 (31.2) | 23 (39.0) | 30 (36.6) | 15 (57.7) | 16 (29.6) | 7 (33.3) | ||
| Gravidity | 0.02 | 0.004 | ||||||||
| One | 57 (24.5) | 14 (24.1) | 52 (33.8) | 25 (42.4) | 17 (20.7) | 8 (30.8) | 23 (42.6) | 12 (57.1) | ||
| Two or more | 176 (75.4) | 44 (75.9) | 102 (66.2) | 34 (57.6) | 65 (79.3) | 18 (69.2) | 31 (57.4) | 9 (42.9) | ||
| Parity | <0.001 | <0.001 | ||||||||
| One | 87 (37.3) | 31 (53.5) | 100 (64.9) | 44 (74.6) | 33 (40.2) | 16 (61.5) | 42 (77.8) | 18 (85.7) | ||
| Two or more | 146 (62.7) | 27 (46.5) | 54 (35.1) | 15 (25.4) | 49 (59.8) | 10 (38.5) | 12 (22.2) | 3 (14.3) | ||
| OC use | <0.001 | 0.09 | ||||||||
| Never | 39 (16.7) | 7 (12.1) | 13 (8.4) | 4 (6.8) | 10 (12.2) | 1 (3.9) | 7 (13.0) | 7 (33.3) | ||
| Past | 146 (62.7) | 29 (50.0) | 69 (44.8) | 24 (40.7) | 57 (69.5) | 20 (76.9) | 33 (61.1) | 10 (47.6) | ||
| Current | 48 (20.6) | 22 (37.9) | 72 (46.8) | 31 (52.5) | 15 (18.3) | 5 (19.2) | 14 (25.9) | 4 (19.1) | ||
| Mean (s.d.) | ||||||||||
| Weight (kg) | 72.2 (19.3) | 67.7 (18.8) | 68.3 (16.9) | 70.0 (21.1) | 0.15 | 68.3 (15.5) | 66.9 (16.0) | 62.0 (14.6) | 57.7 (6.8) | 0.008 |
| Waist circumference (cm) | 79.6 (13.1) | 77.4 (14.4) | 76.2 (11.8) | 77.7 (15.2) | 0.09 | 78.5 (11.7) | 75.5 (14.6) | 72.4 (9.9) | 69.1 (5.2) | 0.001 |
| Dietary fat (% kcal) | 36.9 (6.5) | 38.5 (5.2) | 38.4 (5.5) | 39.2 (6.6) | 0.002 | 36.8 (6.6) | 37.0 (6.6) | 36.7 (5.5) | 38.4 (5.5) | 0.75 |
| Dietary CHO (% kcal) | 49.0 (8.0) | 46.6 (6.8) | 46.7 (7.5) | 45.3 (8.7) | 0.01 | 47.6 (8.6) | 46.3 (7.9) | 46.9 (6.4) | 45.7 (4.5) | 0.70 |
| Dietary protein (% kcal) | 13.7 (2.8) | 14.2 (2.3) | 14.7 (2.8) | 14.8 (3.1) | 0.004 | 15.1 (2.9) | 14.7 (3.1) | 16.3 (4.6) | 15.0 (2.2) | 0.17 |