Table 4.
Mean scaled scores for the 9 MCCB tests, by educational level (ANCOVA, age as covariance).
| <9 years (n = 369) |
9–12 years (n = 151) |
>12 (n = 136) |
F/x2 | P | |
|---|---|---|---|---|---|
| Age | 41.76 (SD: 11.00) | 38.07 (SD: 11.19) | 34.02 (SD: 10.56) | 26.01 | <0.001 |
| Gender | 0.55 | 0.76 | |||
| Male | 189 | 72 | 69 | ||
| Female | 180 | 79 | 67 | ||
| Trail Making A | 9.29 (SD: 3.04) | 10.17 (SD: 2.64) | 11.69 (SD: 2.63) | 17.71 | <0.001 |
| BACS Symbol Coding | 9.01 (SD: 2.93) | 10.30 (SD: 2.57) | 12.25 (SD: 2.40) | 46.11 | <0.001 |
| HVLT-R | 8.91 (SD: 2.79) | 10.31 (SD: 2.84) | 12.13 (SD: 2.50) | 47.05 | <0.001 |
| WMS-III Spatial Span | 9.39 (SD: 2.87) | 10.31 (SD: 2.77) | 11.22 (SD: 3.00) | 10.13 | <0.001 |
| NAB Mazes | 9.28 (SD: 2.95) | 10.09 (SD: 2.77) | 11.77 (SD: 2.67) | 20.35 | <0.001 |
| BVMT-R | 9.14 (SD: 3.02) | 10.47 (SD: 2.70) | 11.90 (SD: 2.49) | 28.91 | <0.001 |
| Animal Fluency | 9.38 (SD: 3.09) | 10.39 (SD: 2.67) | 11.56 (SD: 2.61) | 18.28 | <0.001 |
| MSCEIT Managing Emotions | 9.55 (SD: 2.82) | 10.23 (SD: 2.88) | 11.27 (SD: 3.00) | 10.80 | <0.001 |
| CPT-IP | 9.28 (SD: 2.92) | 9.95 (SD: 2.66) | 11.86 (SD: 2.60) | 25.54 | <0.001 |
| Composite Score | 8.96 (SD: 2.85) | 10.36 (SD: 2.61) | 12.50 (SD: 2.19) | 193.46 | <0.001 |
SD: standard deviation.