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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Early Hum Dev. 2017 Jul 20;113:40–48. doi: 10.1016/j.earlhumdev.2017.07.014

Table 1.

Demographic Characteristics

Infant
Gender 59% girls, 41% boys
Age M = 11.8 months, Range = 11 to 13 months
Ethnicity 29% Black/African American; 28% White/Caucasian; 37% Multiracial; 6% Other
Number of siblings 50% only child; 25% one sibling; 13% two siblings; 12% 3 or more
Mother
Age M = 24.5 years, SD = 4.81
Ethnicity 43% White/Caucasian; 33% Black/African American; 9%
Latino/Hispanic; 15% Multiracial
Education 22% No high school; 31% High school degree or GED; 49% Post-high school education
Employment 34% Unemployed; 19% Student; 47% Employed
Monthly Income M = $1,170, SD = $961; 85% qualified for Medicaid
Relationship Status 21% Married and living with partner; 28% Not married but living with partner; 50% Not living with a partner