Table 1.
Descriptive Statistics and Comparison between Non-Hispanic White sample and Black and Hispanic samples
| Subsample comparison |
||||
|---|---|---|---|---|
| Characteristics | Entire sample (N = 7712) | Non-Hispanic White (N = 5096) | Black and Hispanic (N = 2616) | |
|
|
|
|||
| n (%) or Mean (SD) | n (%) or Mean (SD) | n (%) or Mean (SD) | p-valuea | |
|
| ||||
| Male | 4079 (52.9%) | 2731 (53.6%) | 1348 (51.5%) | .087 |
| Age, months | 119.00 (7.51) | 119.17 (7.56) | 118.68 (7.38) | .006 |
| Family SES risk index | 0.42 (0.72) | 0.21 (0.49) | 0.83 (0.90) | <.001 |
| Neighborhood ADI | 38.76 (25.73) | 32.66 (21.25) | 50.66 (29.29) | <.001 |
| NIHTBX executive function | 373.32 (31.22) | 378.34 (28.86) | 363.53 (33.27) | <.001 |
| Pubertal development index | −0.08 (2.13) | −0.47 (1.85) | 0.70 (2.41) | <.001 |
| Pubertal development index (Year 1) | −0.07 (257) | −0.49 (2.41) | 0.75 (2.69) | <.001 |
Notes: All measures reported at baseline unless noted. Pubertal development index values at baseline ranged from 1 to 19 (of a potential scale range of 1 to 20), with a mean of 8.85 and median value of 8.50.
a
p-value determined from T-test for continuous and ordinal variables; chi-square cross-tab for binary variables.