TABLE 2.
Bivariate Pearson correlations among study variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | ||
| 1 | Executive Function 24mo | − | ||||||||||||||
| 2 | Executive Function 36mo | 0.15 | − | |||||||||||||
| 3 | Screen Time 24mo | –0.05 | –0.12 | − | ||||||||||||
| 4 | Screen Time 36mo | 0.03 | 0.06 | 0.56∗∗∗ | − | |||||||||||
| 5 | WPPSI 24mo | 0.15 | 0.27∗∗ | 0.03 | 0.07 | − | ||||||||||
| 6 | WPPSI 36mo | 0.10 | 0.29∗∗∗ | –0.10 | –0.07 | 0.28∗∗ | − | |||||||||
| 7 | Child Age 24mo | 0.16∗ | 0.03 | 0.09 | –0.11 | 0.24∗∗ | 0.04 | − | ||||||||
| 8 | Child Age 36mo | 0.06 | 0.08 | –0.01 | –0.09 | 0.15 | 0.10 | 0.49∗∗∗ | − | |||||||
| 9 | Child Female | 0.16∗ | 0.20∗ | 0.06 | –0.04 | 0.04 | 0.14 | –0.11 | –0.15 | − | ||||||
| 10 | Mother >Bach. Deg. | 0.08 | –0.04 | –0.24∗∗ | –0.31∗∗∗ | 0.05 | 0.03 | –0.02 | 0.05 | 0.07 | − | |||||
| 11 | Father >Bach. Deg. | 0.07 | 0.07 | –0.34∗∗∗ | –0.32∗∗∗ | 0.12 | 0.03 | 0.02 | –0.01 | –0.03 | 0.29∗∗∗ | − | ||||
| 12 | Mother Age at Child Birth | 0.00 | –0.04 | –0.01 | −0.16∗ | 0.08 | 0.05 | 0.01 | –0.07 | 0.01 | 0.18∗ | 0.08 | − | |||
| 13 | Father Age at Child Birth | –0.06 | –0.06 | –0.05 | –0.23∗∗ | 0.03 | 0.06 | 0.02 | –0.07 | 0.02 | 0.10 | 0.11 | 0.67∗∗∗ | − | ||
| 14 | Mother Subj. Social Status | 0.03 | 0.06 | −0.19∗ | –0.25∗∗ | –0.05 | 0.08 | –0.03 | –0.02 | 0.10 | 0.26∗∗∗ | 0.20∗∗ | 0.15∗ | 0.14 | − | |
| 15 | Father Subj. Social Status | 0.07 | 0.06 | –0.24∗∗ | −0.18∗ | –0.12 | 0.14 | –0.11 | 0.05 | –0.02 | 0.17∗ | 0.34∗∗∗ | 0.00 | –0.01 | 0.39∗∗∗ | − |
∗∗∗p< 0.001, ∗∗p< 0.01, ∗p< 0.05; > Bach. Deg.—More than Bachelor’s Degree; Subj. Social Status—Subjective Social Status; WPPSI—Wechsler Preschool and Primary Scales of Intelligence Receptive Vocabulary Score.