Skip to main content
. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: J Child Psychol Psychiatry. 2010 Sep 20;52(2):119–129. doi: 10.1111/j.1469-7610.2010.02314.x

Table 1.

Demographic information for the study sample

Study Sample (N=116)
Infant gestational age at birth (weeks) M= 39.1, SD = 1.1
Infant birth weight (grams) M = 3448, SD = 434
Maternal age at delivery (years) M = 28.6, SD = 5.8
Married (%) 65
Primiparous (%) 45
Education (years) 14.5
Annual household income (%)
    $0 to $30,000 29
    $30,001 and $60,000 22
    $60,001 and $100,000 28
    Over $100,000 21
Race/Ethnicity (%)
    Non-Hispanic white 51
    Hispanic 34
    Asian 11