Table 2 Participant Characteristics
Mean/Category (SD/Percent) | |
|---|---|
Children’s Demographics | N = 44 |
Child Age (years) | 3.5 (± 0.3) |
Sex | |
Male | 20 (45.5%) |
Female | 24 (54.6%) |
Siblings | |
0 | 6 (13.6%) |
1 | 23 (52.3%) |
2 + | 15 (34.1%) |
Race/Ethnicity | |
Caucasian | 30 (68.2%) |
Non-Caucasian | 14 (31.8%) |
Children’s Cognitive Development | |
Working memory (Range: 0–5; n = 40) | 0.9 (± 0.4) |
Inhibitory control (Range: 0–52; n = 34) | 16.6 (± 15.0) |
Vocabulary (Range: 0–45; n = 42) | 25.3 (± 6.0) |
Self-control (Range: 0–144; n = 41) | 75.8 (± 31.9) |
Parental Demographics | |
Relationship to Child | |
Mother | 43 (97.7%) |
Father | 1 (2.3%) |
Parental Age (years) | 35.2 (± 3.4) |
Parental Education | |
High school diploma or college/ trade certificate | 8 (18.2%) |
Bachelor’s degree | 23 (52.3%) |
Post-graduate | 13 (29.6%) |
Household income | |
< $100 000 | 8 (18.2%) |
$100 001—$150 000 | 25 (56.8%) |
> $150 000 | 11 (25.0%) |
Non-parental care (hours/week) | 15.2 (± 17.5) |