Table 2.
Differences between groups receiving mock scanner training or not.
| Demographics | Mock scanner training (n = 20) | No mock scanner training (n = 114) | p-value |
|---|---|---|---|
| Maternal education (post-secondary) | 6.1 ± 3.6 | 5.6 ± 2.6 | 0.57 |
| Age | 3.3 ± 0.7 | 3.4 ± 0.6 | 0.34 |
| Sex | 13m/7f | 63m/51f | 0.42 |
| NEPSY-II phonological processing | 9.6 ± 3.2 | 7.6 ± 2.4 | 0.02 |
| NEPSY-II speeded naming | 10.1 ± 3.4 | 9.7 ± 3.9 | 0.69 |
| Bayley-III cognitive composite | 101 ± 7 | 114 ± 15 | 0.008 |
| Bayley-III language composite | 103 ± 11 | 113 ± 14 | 0.035 |
| Bayley-III motor composite | 103 ± 10 | 108 ± 15 | 0.25 |
| ASEBA attention problems | 53 ± 5 | 55 ± 6 | 0.27 |
| ASEBA internalizing problems | 44 ± 10 | 47 ± 7 | 0.34 |
| ASEBA externalizing problems | 48 ± 7 | 47 ± 10 | 0.75 |
| OUTCOMES | |||
| Participants with successful T1 scans | 10 (50%) | 63 (55%) | 0.06 |
| Participants with successful T2* scans | 9 (45%) | 64 (56%) | 0.35 |
| Participants with successful DTI scans | 10 (50%) | 83 (73%) | 0.62 |
| At least 1 high-quality dataset | 11 (55%) | 86 (75%) | 0.1 |
| 3 high-quality datasets | 8 (40%) | 56 (49%) | 0.48 |
| T1 rating | 4 | 3 | 0.012 |
| T2* rating | 3 | 3.5 | 0.64 |
| DTI volumes useable (#) | 31 ± 2 | 31 ± 2 | 0.85 |
Two-sample t-tests were used to test for group differences; non-parametric tests were used for image quality ratings. *p < 0.05.
The bold values indicate significant differences on the ANOVA.