Table 1.
Participant characteristics.
| Group | N | #F | Race | Age pre | TD | Age post |
|---|---|---|---|---|---|---|
| HR-AT | 17 | 9 | 12C, 1B, 2A, 2M | 11.04 (1.84) | 135.31 (37.29) | 13.06 (1.87) |
| LR-ATa | 18 | 9 | 15C, 1A, 2M | 10.90 (1.75) | 125 (24.70) | 12.92 (1.77) |
| LR-PTa | 18 | 10 | 14C, 1B, 1A, 2M | 10.90 (1.52) | 144 (23.70) | 12.93 (1.55) |
| LR-EEb | 18 | 9 | 12C, 3B, 1A, 2M | 10.51 (1.41) | 109 (25.85) | 13.09 (1.87) |
| LR-MEb | 18 | 7 | 15C, 3B | 10.87 (1.03) | 101 (31.17) | 13.33 (1.82) |
The total number of participants in each group (n) and the number of females per group (#F) are group totals. All other values are group averages with SD given in parentheses. TD, training duration (minutes). Age is reported in weeks. Race abbreviations: C, Caucasian, B, Black or African American, A, Asian, M, more than one race. Group abbreviations: HR, high-risk infants, LR, low-risk infants. Training abbreviations: AT, Active Training (“sticky mittens”), PT, Passive Training, EE, encouragement experience, ME, movement experience. Data from the gray shaded groups was previously reported in aLibertus and Needham (2010) or bLibertus and Needham (2014).