Table 2 Associations among Maternal Socioeconomic Status Score and Maternal and Child Characteristics

Mean ± SD

P-value^a

Group

Placebo

1.92 ± 1.04

0.30

DHA

2.08 ± 0.97

Race/ethnicity

White

2.54 ± 0.75

<0.0001

Black

1.02 ± 0.56

Hispanic

1.18 ± 0.92

Other

2.43 ± 0.53

Maternal smoking

Never

2.17 ± 1.01

0.017

Yes

1.81 ± 0.96

Breast feeding

None

1.42 ± 0.76

<0.0001

Some

2.14 ± 1.01

Offspring sex

Female

1.98 ± 0.97

0.74

Male

2.02 ± 1.05

Correlation^b

P-value^b

Maternal age

0.69

<0.0001

Maternal education (yr)

0.83

<0.0001

Zip code income ($1 k)

0.80

<0.0001

Maternal height (cm)

0.18

0.0135

Maternal weight (kg)

-0.22

0.0023

BMI at enrollment

-0.29

<0.0001

Gestational weight gain (kg)

0.16

0.029

Birthweight (g)

0.17

0.0227

Formula fed(days)

-0.36

<0.0001

Breast fed (days)

0.47

<0.0001

RBC DHA at enrollment (%)

0.17

0.017

RBC DHA at delivery (%)

0.32

<0.0001

RBC DHA change (%)

0.22

0.0024

Adherence (% of capsules consumed)

0.26

0.0003