Table 1.
Participant characteristics.
Group | n, Gender F:M | Ethnicity C, AA/M | SES Mean ± SD | Age in months (Mean ± SD) |
|||
---|---|---|---|---|---|---|---|
6 | 9 | 12 | 15 | ||||
Typically developing (TD) | 16, 6:10 | 15 C, 1 AA | 55.32 ± 9.22 | 6.93 ± 0.60 | 10.02 ± 0.46 | 12.98 ± 0.69 | 15.86 ± 0.46 |
At-risk | 16, 3:13 | 15 C, 1 M | 52.03 ± 12.66 | 6.83 ± 0.60 | 9.70 ± 0.55 | 12.97 ± 0.89 | 15.62 ± 1.13 |
ps | ns | ns | ns | ns | ns | ns | ns |
N, total number of participants in each group; F:M, total number of females and males in each group; SES, socioeconomic status; C, Caucasian; AA, African American; M, Mixed; ns, p-values not significant (i.e., ps > 0.05).