| |
|
Percent
|
| Child and family characteristic |
Mean mental
scale score |
Explores
objects in play |
Explores
purposefully |
Babbles |
Early problem
solving |
Uses words |
|
| Total |
0.2 |
# |
0.3 |
0.5 |
0.4 |
0.2 |
| Age |
|
|
|
|
|
|
| Less than 10 months |
0.2 |
# |
0.4 |
0.4 |
0.1 |
# |
| 11–13 months |
0.2 |
# |
0.1 |
0.4 |
0.5 |
0.2 |
| 14–22 months |
0.5 |
# |
0.1 |
0.6 |
1.5 |
1.4 |
| Sex |
|
|
|
|
|
|
| Male |
0.2 |
# |
0.3 |
0.6 |
0.4 |
0.2 |
| Female |
0.2 |
# |
0.4 |
0.6 |
0.4 |
0.3 |
| Race/ethnicity |
|
|
|
|
|
|
| American Indian |
0.8 |
0.1 |
1.0 |
1.8 |
1.7 |
1.1 |
| Asian/Pacific Islander |
0.3 |
# |
0.6 |
0.8 |
0.6 |
0.3 |
| Black |
0.4 |
0.1 |
0.5 |
0.9 |
0.6 |
0.3 |
| White |
0.3 |
# |
0.4 |
0.7 |
0.5 |
0.3 |
| Hispanic |
0.3 |
# |
0.5 |
0.8 |
0.5 |
0.3 |
| Birth weight |
|
|
|
|
|
|
| Normal |
0.2 |
# |
0.3 |
0.5 |
0.4 |
0.2 |
| Low |
0.3 |
0.1 |
0.5 |
0.7 |
0.5 |
0.3 |
| Very low |
0.3 |
0.2 |
1.1 |
0.8 |
0.3 |
0.2 |
| Poverty status |
|
|
|
|
|
|
| Poor |
0.3 |
# |
0.5 |
0.7 |
0.6 |
0.4 |
| Nonpoor |
0.2 |
# |
0.3 |
0.6 |
0.4 |
0.2 |
| Mother’s education |
|
|
|
|
|
|
| Less than high school |
0.3 |
# |
0.4 |
0.7 |
0.5 |
0.3 |
| High school diploma or equivalent |
0.3 |
# |
0.5 |
0.7 |
0.6 |
0.3 |
| Some college |
0.3 |
# |
0.4 |
0.8 |
0.5 |
0.3 |
| Bachelor’s degree or higher |
0.3 |
# |
0.4 |
0.7 |
0.5 |
0.3 |
| Family type |
|
|
|
|
|
|
| Two parents, with other siblings |
0.3 |
# |
0.4 |
0.6 |
0.4 |
0.3 |
| Two parents, without other siblings |
0.2 |
# |
0.3 |
0.6 |
0.4 |
0.3 |
| One parent, with other siblings |
0.5 |
0.1 |
0.7 |
1.2 |
0.9 |
0.5 |
| One parent, without other siblings |
0.3 |
# |
0.4 |
0.8 |
0.7 |
0.4 |
| Primary language spoken in the home |
|
|
|
|
|
|
| English |
0.2 |
# |
0.3 |
0.6 |
0.4 |
0.2 |
| Language other than English |
0.3 |
0.1 |
0.6 |
0.7 |
0.5 |
0.3 |
| Number of family risk factors |
|
|
|
|
|
|
| Zero |
0.2 |
# |
0.4 |
0.6 |
0.4 |
0.2 |
| One |
0.3 |
# |
0.4 |
0.7 |
0.5 |
0.3 |
| Two or more |
0.3 |
# |
0.5 |
0.7 |
0.5 |
0.3 |
|
# Rounds to zero.
|
SOURCE: U.S. Department of Education, National Center for Education Statistics, Early Childhood Longitudinal Study, Birth Cohort (ECLS–B), Restricted-Use File (NCES 2004–093), previously unpublished tabulation (January 2005).
|
