Table 10. Multiple regression analyses of EF measures on SES with interaction terms, covarying for race (N = 185).
| Predictors | Digit Span | Letter Working Memory | Spatial Working Memory | Stroop | Tower of London | Verbal Fluency |
|---|---|---|---|---|---|---|
| β | β | β | β | β | β | |
| SES | 0.16* | 0.13 | 0.01 | 0.00 | 0.20* | 0.12 |
| Age | 1.12* | 1.72** | 0.63 | 1.90** | 0.51 | 1.27* |
| Age2 | -0.80 | -1.29* | -0.39 | -1.49** | -0.34 | -0.75 |
| Gender | ||||||
| Male | 0.12 | 0.01 | 0.21 | -0.29* | 0.08 | -0.04 |
| Race | ||||||
| Asian | 0.77** | 0.77** | 0.73** | -0.10 | 0.26 | 0.37 |
| Caucasian | 0.30 | 0.82*** | 0.39 | 0.19 | 0.14 | 0.47* |
| Hispanic | -0.26 | 0.37 | 0.52* | -0.13 | -0.12 | 0.14 |
| Other | 0.16 | 0.42 | 0.34 | 0.06 | 0.29 | 0.29 |
| Site | ||||||
| UCLA | 0.12 | -0.09 | 0.17 | 0.13 | -0.25 | 0.31* |
| SES x Age | 0.41 | -0.11 | 0.56 | 0.13 | -0.22 | -0.24 |
| SES x Age2 | -0.36 | -0.02 | -0.50 | -0.10 | 0.30 | 0.28 |
* = p <0.05
** = p < 0.01
*** = p < 0.001