Factor

Intervention

Control

Bivariate Analysis

p

Mean Difference

Mean Total GWG (Kg), mean ± sd

11.39 ± 2.52

12.69 ± 2.88

4.148*

<0.001

1.3

GWG Adherent to IOM, n(%)

Yes

109 (73.6%)

76 (50.7%)

16.715#

<0.001

No

39 (26.4%)

74 (49.3%)

Pre-pregnancy BMI (Kg/m2), n (%)

Normal

(BMI < 25)

Yes

80 (73.4%)

61 (80.3%)

55.298+

<0.001+

No

2 (5.1%)

11 (14.9%)

Overweight

(BMI 25 - 29.9)

Yes

19 (17.4%)

12 (15.8%)

No

20 (51.3%)

38 (51.4%)

65.5130

<0.0010

Obese

(BMI > 30)

Yes

10 (9.2%)

3 (3.9%)

No

17(43.6%)

25 (33.8%)