Table 3.
Proportions of infants in the LR, HR, and AD groups observed in infant-initiated postures at 6, 9, 12, and 14 months.
| 6 months | 9 months | 12 months | 14 months | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LR (n=15) | HR (n=15) | AD (n=4) | LR (n=18) | HR (n=16) | AD (n=4) | LR (n=18) | HR (n=17) | AD (n=4) | LR (n=18) | HR (n=18) | AD (n=4) | |
| Prone | .40 | .47 | 0 | .22 | .31 | .50 | .22 | .44 | .50 | .17 | .38 | 0 |
| Supine | .53 | .47 | 0 | .22 | .38 | .50 | .22 | .44 | 0 | .22 | .33 | 0 |
| Sit Supported | .40 | .47 | 0 | .94 | .94 | .25 | .94 | .94 | 1.0 | .94 | 1.0 | 1.0 |
| Sit Unsupported | .33 | .27 | 0 | .94 | .88 | .50 | .94 | .88 | 1.0 | .89 | .78 | 1.0 |
| All-4 | .07 | .27 | 0 | .78 | .88 | .50 | .94 | .76 | .75 | 1.0 | .89 | 1.0 |
| Kneel | 0 | 0 | 0 | .28 | .31 | 0 | .67 | .59 | 1.0 | .56 | .44 | 1.0 |
| Stand Supported | 0 | 0 | 0 | .50 | .63 | 0 | .94 | .82 | 0 | 1.0 | .83 | 1.0 |
| Stand Unsupported | 0 | 0 | 0 | 0 | .06 | 0 | .67 | .71 | 0 | 1.0 | .83 | .50 |
| Squat | 0 | 0 | 0 | .28 | .06 | 0 | .67 | .53 | 1 | .83 | .83 | .25 |