Table 1 Maternal characteristics according to availability of pre-pregnancy charts
From: Pre-conception blood pressure and evidence of placental malperfusion
No pre-pregnancy charts | Pre-pregnancy charts | p | |
|---|---|---|---|
n = 106 | n = 96 | ||
Maternal age | 0.20 | ||
< 20 | 6 (6) | 6 (6) | |
20–29 | 53 (50) | 47 (49) | |
30 + −39 | 47 (44) | 43 (45) | |
Race/ethnicity | |||
White | 79 (75) | 70 (73) | 0.07 |
Black | 16 (15) | 23 (24) | |
Other | 11 (10) | 3 (3) | |
Smoking | 7 (7) | 14 (15) | 0.04 |
Educationa | 0.97 | ||
High school | 28 (30) | 25 (34) | |
College | 47 (51) | 34 (47) | |
College+ | 17 (19) | 14 (19) | |
Hypertension | 0.73 | ||
None | 76 (72) | 73 (76) | |
Gestational | 11 (10) | 11 (12) | |
Preeclampsia | 17 (16) | 10 (10) | |
Chronic | 2 (2) | 2 (2) | |
Diabetesa | 0.41 | ||
None | 94 (89) | 84 (90) | |
Gestational | 10 (9) | 9 (10) | |
Pre-existing DM | 2 (2) | 0 | |
Primiparous | 75 (71) | 55 (57) | 0.09 |
Fetal sex male | 52 (49) | 51 (53) | 0.31 |
Gestational age, weeks | 37.6 (3.2) | 38.0 (3.1) | 0.30 |
Preterm birth | 0.14 | ||
Term | 82 (77) | 84 (88) | |
Spontaneous | 12 (11) | 8 (8) | |
Indicated | 12 (11) | 4 (4) | |