Table 3.
Results of linear regression analyses.
| Independent variable | Immediate memory |
Visuospatial/
constructional |
Language | Attention |
Delayed
memory |
Global
cognition |
VIF | |
|---|---|---|---|---|---|---|---|---|
| Model 1 | Age |
B = −0.014, p = 0.305 |
B
=
−0.033, p = 0.018 |
B = −0.024, p = 0.097 |
B
=
−0.022, p = 0.009 |
B = −0.012, p = 0.278 |
B
=
−0.021, p = 0.040 |
1.726 |
| Gender |
B = 0.459, p = 0.085 |
B = 0.057, p = 0.915 |
B
=
0.782, p = 0.010 |
B = 0.238, p = 0.128 |
B = 0.298, p = 0.206 |
B = 0.377, p = 0.078 |
1.113 | |
| Group |
B
=
−0.724, p = 0.014 |
B = −0.224, p = 0.543 |
B
=
−0.697, p = 0.016 |
B
=
−0.310
p < 0.001 |
B
=
−0.311, p = 0.020 |
B
=
−0.341, p = 0.004 |
1.419 | |
| Age at first exposure |
B = −0.078, p = 0.565 |
B = −0.048, p = 0.661 |
B = −0.191, p = 0.213 |
B = −0.190, p = 0.566 |
B = −0.068, p = 0.376 |
B = −0.120, p = 0.384 |
2.984 | |
| Multiplicity |
B = 0.311, p = 0.162 |
B = 0.523, p = 0.785 |
B = −0.405, p = 0.176 |
B = 0.046, p = 0.387 |
B
=
−0.201, p = 0.040 |
B
=
−0.187, p = 0.031 |
3.597 | |
| Severity |
B = 0.026, p = 0.560 |
B = 0.048, p = 0.759 |
B = −0.087, p = 0.724 |
B = −0.066, p = 0.377 |
B = 0.037, p = 0.744 |
B = −0.015, p = 0.906 |
2.257 | |
| Group × age at first exposure |
B = 0.304, p = 0.068 |
B = −0.038, p = 0.753 |
B = 0.188, p = 0.353 |
B
=
0.613, p = 0.024 |
B = 0.157, p = 0.529 |
B = 0.114, p = 0.164 |
4.000 | |
| Group × multiplicity |
B = −0.274, p = 0.772 |
B = −0.741, p = 0.438 |
B = 0.412, p = 0.281 |
B
=
−0.340, p = 0.019 |
B = −0.210, p = 0.937 |
B = −0.113, p = 0.981 |
3.874 | |
| Group × severity |
B = 0.045, p = 0.803 |
B = 0.114, p = 0.759 |
B = 0.034, p = 0.981 |
B = 0.074, p = 0.497 |
B = 0.045, p = 0.800 |
B = 0.166, p = 0.664 |
2.325 | |
| R2 | 0.295 | 0.225 | 0.359 | 0.594 | 0.361 | 0.435 | - | |
| R2 change (p) | 0.295 (0.012) | 0.225 (0.080) | 0.359 (0.001) | 0.594 (< 0.001) | 0.361 (0.001) | 0.435 (< 0.001) | - | |
| Model 2 | Age |
B = −0.015, p = 0.233 |
B = −0.036, p = 0.009 |
B = −0.026, p = 0.064 |
B
=
−0.024, p = 0.003 |
B = −0.013, p = 0.253 |
B = −0.023, p = 0.021 |
1.745 |
| Education years |
B = 0.076, p = 0.121 |
B
=
0.103, p = 0.043 |
B = 0.101, p = 0.084 |
B
=
0.077, p = 0.008 |
B = 0.030, p = 0.501 |
B
=
0.079, p = 0.040 |
1.283 | |
| Gender |
B = 0.404, p = 0.120 |
B = −0.018, p = 0.897 |
B
=
0.709, p = 0.015 |
B = 0.183, p = 0.199 |
B = 0.276, p = 0.241 |
B = 0.320, p = 0.117 |
1.128 | |
| Group |
B = −0.560, p = 0.077 |
B = 0.001, p = 0.864 |
B = −0.480, p = 0.092 |
B
=
−0.210, p = 0.009 |
B = −0.567, p = 0.054 |
B
=
−0.242, p = 0.037 |
1.638 | |
| Age at first exposure |
B = −0.085, p = 0.551 |
B = −0.044, p = 0.640 |
B = −0.200, p = 0.200 |
B = −0.180, p = 0.529 |
B = −0.158, p = 0.376 |
B = −0.127, p = 0.362 |
2.985 | |
| Multiplicity |
B = 0.353, p = 0.932 |
B = 0.580, p = 0.500 |
B = −0.461, p = 0.310 |
B = 0.020, p = 0.155 |
B
=
−0.238, p = 0.038 |
B
=
−0.220, p = 0.044 |
3.739 | |
| Severity |
B = 0.027, p = 0.832 |
B = 0.051, p = 0.794 |
B = −0.085, p = 0.686 |
B = −0.064, p = 0.316 |
B = 0.022, p = 0.443 |
B = −0.013, p = 0.860 |
2.258 | |
| Group × age at first exposure |
B = 0.308, p = 0.239 |
B = 0.044, p = 0.749 |
B = 0.200, p = 0.346 |
B
=
0.650, p = 0.018 |
B = 0.158, p = 0.532 |
B = 0.129, p = 0.153 |
4.000 | |
| Group × multiplicity |
B = −0.299, p = 0.932 |
B = −0.775, p = 0.293 |
B = 0.445, p = 0.387 |
B
=
−0.440, p = 0.017 |
B = 0.277, p = 0.957 |
B = −0.200, p = 0.702 |
3.912 | |
| Group × severity |
B = 0.010, p = 0.832 |
B = 0.039, p = 0.790 |
B = −0.040, p = 0.795 |
B = 0.018, p = 0.792 |
B = 0.022, p = 0.889 |
B = 0.113, p = 0.918 |
2.388 | |
| R2 | 0.325 | 0.280 | 0.393 | 0.643 | 0.367 | 0.476 | - | |
| R2 change (p) | 0.030 (0.121) | 0.055 (0.043) | 0.034 (0.084) | 0.049 (0.008) | 0.006 (0.501) | 0.041 (0.040) | - |
Significant results (p < 0.05) were marked with bold characters.