Table 1.
Hospital 1 |
Hospital 2 |
Hospital 1 & 2 |
Hospital 2 |
P | |||
---|---|---|---|---|---|---|---|
AA | AA | AA | W | AA in hospital 1 vs 2 |
AA vs W in hospital 2 |
AA in hospital 1 & 2 vs W in hospital 2 |
|
N | 32 | 45 | 77 | 41 | |||
Mean (SD) mother’s age (y) | 25.2 (5.3) | 23.3 (6.2) | 24.1 (5.9) | 28.2 (6.1) | 0.16* | 0.0004* | 0.0005* |
Mean (SD) birth weight (g) | 3,205 (344.6) | 3,245 (354.4) | 3,228 (348.6) | 3,424 (349.0) | 0.62* | 0.02* | 0.004* |
Mean (SD) placental weight (g) | 613.4 (143.8) | 691.1 (153.1) | 658.8 (153.3) | 674.9 (115.5) | 0.03* | 0.58* | 0.56* |
Parity (%) | |||||||
0 | 12.5 | 40.0 | 28.6 | 34.2 | |||
1 | 34.4 | 31.1 | 32.5 | 51.2 | |||
2 | 28.1 | 13.3 | 19.5 | 7.3 | |||
≥ 3 | 25.0 | 15.6 | 19.5 | 7.3 | 0.05† | 0.23† | 0.05† |
Time of day of birth (%) | |||||||
Midnight to < 6 am | 3.1 | 25.6 | 16.0 | 22.0 | |||
6 am to < noon | 43.8 | 27.9 | 34.7 | 19.5 | |||
noon to < 6 pm | 43.8 | 30.2 | 36.0 | 29.3 | |||
6 pm to < midnight | 9.4 | 16.3 | 13.3 | 29.3 | 0.03† | 0.51† | 0.09† |
Abbreviations: AA, African-American; W, White
t test
Chi square test