Table 2 Study Participant Characteristics (N = 569)

Age (years)

28.38

5.02

28.86

5.04

0.29

28.53

5.03

Postpartum status (age of the youngest child, in years)

1.64

1.24

1.88

1.33

0.07

1.71

1.27

Body mass index (BMI, Kg/m²)

32.16

4.35

31.74

4.15

0.27

32.03

4.29

n

%

n

%

n

%

Body mass index category

0.71

 Overweight (BMI 25.0-29.9)

137

35%

64

35%

201

35%

 Obese category 1 (BMI 30.0-34.9)

139

36%

71

39%

210

37%

 Obese category 2 (BMI 35.0-39.9)

111

29%

47

26%

158

28%

Race

0.77

 Blacks (non Hispanic)

306

79%

142

78%

448

79%

 Whites (non Hispanic)

81

21%

40

22%

121

21%

Current breastfeeding

0.98

 Yes

64

17%

30

16%

94

17%

 No

323

83%

152

84%

475

83%

Parity

0.62

 1

128

33%

64

35%

192

34%

 2 or more

259

67%

118

65%

377

66%

Smoking status

0.20

 Never smoked

167

43%

93

51%

260

46%

 Smoked, but quit

114

30%

47

26%

161

28%

 Smoker

106

27%

42

23%

148

26%

Education

0.11

 8th grade or less

0

0%

1

1%

1

1%

 Some high School

51

13%

14

8%

65

11%

 High school graduate

75

19%

46

25%

121

21%

 Some college or technical school

186

48%

84

46%

270

47%

 College graduate or higher

75

19%

37

20%

112

20%

Employment status

0.46

 Full time

81

21%

44

24%

125

22%

 Part time

81

21%

40

22%

121

21%

 Unemployed

76

20%

42

23%

118

21%

 Homemaker

110

28%

38

21%

148

26%

 Self-employed

9

2%

7

4%

16

3%

 Student

23

6%

8

4%

31

5%

 Other

7

2%

3

2%

10

2%