Normal Weight (BMI 18.5 - 24.9 kg/m²)

n = 2639

Overweight (BMI 25.0 - 29.9 kg/m²)

n = 1450

Obese

(BMI 30.0 - 39.9 kg/m²)

n = 1095

Extremely Obese

(BMI ≥ 40.0 kg/m²)

n=254

p value

Age, years Mean (SD)

24.8 (6.5)

26.4 (6.7)

27.2 (6.6)

27.9 (6.2)

<0.01

Race

White n (%)

230 (8.7%)

171 (11.8%)

72 (6.6%)

5 (1.9%)

<0.01

AA n (%)

1849 (70.0%)

940 (64.8%)

805 (73.5%)

210 (82.7%)

Hispanic n (%)

259 (9.8%)

158 (10.9%)

107 (9.8%)

19 (7.5%)

Other n (%)

301 (11.4%)

181 (12.5%)

111 (10.1%)

20 (7.9%)

Gestational Age, weeks Mean (SD)

37.8(4.2)

38.7(3.1)

38.8 (2.9)

38.4 (3.5)

<0.01

Multiparous n (%)

1219 (46.2%)

715 (49.3%)

639 (58.4%)

158 (62.2%)

<0.01

1 minute apgar < 7 n (%)

333 (12.6%)

120 (8.3%)

103 (9.4%)

31 (12.2%)

<0.01

5 minute apgar < 7 n (%)

129 (4.9%)

32 (2.2%)

31 (2.8%)

6 (2.4%)

<0.01

Birthweight, gm Mean (SD)

2834(758)

3115(670)

3215 (691)

3221(778)

<0.01

Weight Gain, lbs Mean (SD)

19.2 (38.8)

29.6 (13.3)

32.6 (28.1)

33.0 (24.6)

<0.01