Table 2.
Demographics of the two groups based on self-report of family history (FH− vs FH+)
| Measure | FH− [mean (SD)] |
FH+ [mean (SD)] |
T-Tests [t(1,49);p] |
|
|---|---|---|---|---|
| CHILD | Age | 5.52 (0.31) | 5.66 (0.52) |
1.11; 0.27 |
| Gender | 12 female/15 male |
10 female/1 4 male |
χ2 (1, N=51)= 0.19, p = 0.66 |
|
| Socioeconomic status (SES) | 0.09 (1.13) | −0.10 (0.84) |
0.65; 0.522 | |
| Woodcock Johnson III brief intellectual ability-ss (IQ) |
122.67 (10.07) |
114.0 (9.55) |
3.14; 0.003 | |
| Woodcock Johnson III verbal comprehension-ss (VIQ) |
128.26 (9.11) |
112.92 (11.62) |
5.28; 0.000 | |
| Woodcock Johnson III concept formation- ss (PIQ) |
118.70 (10.9) |
115.17 (11.96) |
1.11; 0.270 | |
| Woodcock Johnson III visual matching-ss (Processing Speed-PS) |
106.89 (13.40) |
104.08 (9.79) |
0.84; 0.400 | |
| Bx risk index (BxRI) | −7.16 (18.99) | 8.05 (16.74) |
3.02; 0.004 | |
| Woodcock reading mastery test letter ID- ss (LID) |
114.19 (12.7) |
106.46 (8.62) |
2.51; 0.015 | |
| Rapid automized naming color and object-ss (RAN) |
103.07 (14.36) |
95.17 (16.81) |
1.81; 0.076 | |
| CTOPP phonological awareness-cs (PA) | 117.63 (13.36) |
106.75 (13.25) |
2.91; 0.005 | |
| CTOPP phonological memory-cs (PM) | 110.78 (12.32) |
101.67 (10.72) |
2.80; 0.007 | |
| Total grey matter volume (TGMV) | 723.92 (63.69) |
698.32 (57.13) |
1.50; 0.139 | |
| Total while matter volume (TWMV) | 460.98 (40.74) |
447.23 (44.09) |
1.16; 0.253 | |
|
| ||||
|
MATER
NAL |
Age (Age-M) | 38.74 (4.53) | 39.45 (3.92) |
0.59; 0.556 |
| ARHQ (MFamRI) | 0.24 (0.09) | 0.38 (0.15) |
3.84; 0.000 | |
| Percent overall time with child (OT-M) | 72.15 (12.8) | 68.81 (15.73) |
0.79; 0.430 | |
| Percent educational time with child (ET- M) |
65.71 (18.22) |
72.72 (18.30) |
1.30; 0.201 | |
| Education level (Ed-M) | 17.22 (2.33) | 16.88 (1.80) |
0.59; 0.557 | |
| WAIS-R-ss (IQ-M) | 114.33 (4.40) |
110.96 (5.90) |
2.33; 0.024 | |
| Verbal IQ-ss (VIQ-M) | 113.61 (7.00) |
107.81 (8.66) |
2.64; 0.011 | |
| Performance IQ-ss (PIQ-M) | 122.23 (5.27) |
119.69 (6.60) |
1.56; 0.126 | |
|
| ||||
|
PATER
NAL |
Age (Age-P) | 41.56 (4.67) | 43.35 (5.39) |
1.25; 0.218 |
| ARHQ (PFamRI) | 0.29 (0.10) | 0.41 (0.17) |
2.96; 0.005 | |
| Percent overall time with child (OT-P) | 27.79 (12.77) |
31.17 (15.74) |
0.80; 0.430 | |
| Percent educational time with child (ET-P) | 34.26 (18.22) |
27.23 (18.30) |
1.29; 0.202 | |
| Education level (Ed-P) | 17.22 (2.26) | 16.26 (1.76) |
1.66; 0.104 | |
| WAIS-R-ss (IQ-P) | 113.96 (3.90) |
110.80 (6.82) |
2.01; 0.050 | |
| Verbal IQ-ss (VIQ-P) | 110.72 (7.96) |
107.43 (9.65) |
1.28; 0.206 | |
| Performance IQ-ss (PIQ-P) | 124.67 (3.51) |
121.00 (9.33) |
1.88; 0.067 | |