Table 7.
Item Level Failure Rates by Group and Results of Pairwise Comparisons
| Failure Rates | Comparison p-values | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LR | HR-LA | HR-EA | HR-ASD | LR vs. HR-LA | LR vs.HR-EA | LR vs.HR-ASD | HR-LA vs. HR-EA | HR-LA vs. HR-ASD | HR-EA vs. HR-ASD | ||
| Gross motor | |||||||||||
| 5: Supports on forearms | 1.0% | 3.2% | 0.0% | 4.9% | .28 | 1.0 | .11 | .36 | .46 | .25 | |
| 6: Sits supported, head steady | 0.8% | 0.4% | 2.1% | 5% | .55 | .48 | .11 | .30 | .02* | .63 | |
| 7: Rolls over | 12.4% | 13.3% | 14.6% | 11.5% | .87 | .80 | 1.0 | .81 | .83 | .77 | |
| 8: Holds on to fingers/pulls self to sit | 14.9% | 25% | 27.1% | 32.8% | .03* | .08 | .007** | .86 | .26 | .54 | |
| 9: Shifts weight, reaches | 27.3% | 36.7% | 50% | 34.4% | .07 | .007** | .39 | .11 | .77 | .12 | |
| Fine Motor | |||||||||||
| 5: Grasp reflex integrated | 0.0% | 0.9% | 3.9% | 1.4% | .30 | .04* | .27 | .14 | .55 | .57 | |
| 6: Grasps peg (ulnar palmar) | 4.3% | 12.3% | 19.6% | 11.4% | .002** | .001** | .04* | .18 | 1.0 | .30 | |
| 7: Reaches for and grasps blocks | 3.2% | 9.5% | 15.7% | 21.4% | .007** | .003** | <.001** | .21 | .007** | .48 | |
| 8: Transfers, bangs, drops | 42.6% | 49.2% | 64.7% | 54.3% | .17 | .007** | .12 | .05* | .59 | .26 | |
| 9: Refined grasp/thumb opposition | 45.7% | 49.8% | 64.7% | 65.7% | .41 | .02* | .007** | .05* | .02* | 1.0 | |
Note. Pairwise comparisons are Holm-Bonferroni corrected.