Table 1 Demographic and clinical characteristics.
Clinical Variables | SRI-exposed (n = 62) | Unexposed (n = 120) | P values |
|---|---|---|---|
GA at MRI, mean (SD) [range], week | 31.72 (4.05) [20.0–38.57] | 32.04 (4.32) [23.57–39.71] | 0.62 |
Male, N (%) | 27 (44) | 67 (56) | 0.21 |
Maternal age, mean (SD) [range], year | 35.81 (4.62) [22.0–44.49] | 34.71 (5.87) [20.36–50.99] | 0.17 |
Maternal weight at MRI, mean (SD) [range], kg | 86.21 (16.25) [62.9–145.0] | 76.58 (12.39) [53.60–119.0] | 0.0001 |
Maternal smoking during pregnancy, N (%) | 2 (3) | 1 (1) | 0.27 |
Maternal alcohol use during pregnancy, N (%) | 10 (16) | 6 (5) | 0.02 |
Primigravida, N (%) | 25 (40) | 44 (37) | 0.87 |
Primipara, N (%) | 37 (60) | 60 (50) | 0.35 |
Maternal education, N (%) | 0.12 | ||
≤High school | 1 (2) | 5 (4) | |
Some college | 2 (3) | 11 (9) | |
College graduate | 13 (21) | 37 (31) | |
Graduate degree | 43 (69) | 64 (53) | |
Unknown | 3 (5) | 3 (3) | |
Maternal employment, N (%) | 0.76 | ||
Professional | 51 (82) | 101 (84) | |
Skilled/clerical/sales | 1 (2) | 4 (3) | |
Semiskilled operator | 0 (0) | 3 (3) | |
Unemployed/Homemaker | 5 (8) | 8 (7) | |
Unknown | 5 (8) | 4 (3) | |
Maternal race, N (%) | 0.78 | ||
Asian/Pacific Islander | 4 (6) | 8 (7) | |
Non-Hispanic Black | 6 (10) | 18 (15) | |
Hispanic | 5 (8) | 12 (10) | |
Non-Hispanic White | 44 (71) | 72 (60) | |
Other or unknown | 3 (5) | 10 (8) |
