Table 1 Distribution of depression and intake of antidepressants in 436 study participants by socio-demographic characteristics in the Newborn Epigenetics Study (NEST), NC, 2005-2008

Total:

436

100

66

15.1

44

10.1

Maternal age:

< 30

240

55.1

44

18.3

0.04

20

8.3

0.18

≥30

196

44.9

22

11.2

24

12.2

Marital status:

living with partner

276

63.3

38

13.8

0.30

30

10.9

0.48

single

160

36.7

28

17.5

14

8.8

Race²:

African American

215

49.3

33

15.4

0.95

14

6.5

0.01

Caucasian

193

44.3

30

15.5

28

14.5

College graduate:

no

284

65.1

55

19.4

0.0004

31

10.9

0.45

yes

151

34.6

10

6.6

13

8.6

Antidepressant use:

no

392

89.9

46

11.7

< 0.0001

yes

44

10.1

20

45.5

Depression:

no

370

84.9

24

6.5

< 0.0001

yes

66

15.1

20

30.3

BMI:

< 18

13

3.0

4

30.8

0.14

2

15.4

0.54

18- < 25

189

43.4

24

12.7

13

6.9

25-30

82

18.8

13

15.8

10

12.2

> 30

111

25.5

14

12.6

14

12.6

Smoking 1 year before

non-smoker

305

70.0

46

15.1

0.92

30

9.8

0.82

pregnancy:

smoker

123

28.2

19

15.4

13

10.6

Smoking during

non-smoker

347

79.6

37

10.7

< 0.0001

29

8.4

0.02

pregnancy:

smoker

88

20.2

29

33.0

15

17.1

Birth weight:

< 2500 g

59

13.5

10

16.9

0.80

10

15.2

0.11

≥2500 g

369

84.6

54

14.6

34

9.2

Gender of newborn:

male

221

50.7

35

15.8

0.60

19

8.6

0.24

female

207

47.5

29

14.0

25

12.1