Table 1.
Infant | Visit | Age (months) | Develop mental score | Movement duration, right leg
(s) |
Movement duration, left leg
(s) |
Average acceleration, right leg
(m/s2) |
Average acceleration, left leg
(m/s2) |
Average peak acceleration, right
leg (m/s2) |
Average peak acceleration, left
leg (m/s2) |
||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M | SD | M | SD | M | SD | M | SD | M | SD | M | SD | ||||
A | 1 | 6 | 29 | 0.30 | 0.15 | 0.30 | 0.15 | 1.93 | 1.33 | 1.91 | 1.38 | 3.84 | 3.13 | 3.81 | 3.09 |
A | 2 | 8 | 39 | 0.27 | 0.14 | 0.28 | 0.14 | 2.08 | 1.52 | 2.15 | 1.56 | 4.11 | 3.42 | 4.28 | 3.65 |
A | 3 | 10 | 53 | 0.27 | 0.15 | 0.29 | 0.16 | 2.16 | 1.56 | 2.08 | 1.44 | 4.18 | 3.35 | 4.12 | 3.26 |
B | 1 | 1 | 5 | 0.28 | 0.13 | 0.28 | 0.13 | 1.71 | 1.09 | 1.59 | 0.97 | 3.35 | 2.46 | 3.11 | 2.18 |
B | 2 | 3 | 13 | 0.28 | 0.13 | 0.28 | 0.14 | 2.42 | 1.45 | 2.29 | 1.29 | 4.83 | 3.41 | 4.45 | 2.92 |
B | 3 | 5 | 21 | 0.24 | 0.13 | 0.24 | 0.13 | 2.48 | 1.74 | 2.57 | 1.88 | 4.86 | 4.30 | 4.93 | 4.48 |
C | 1 | 7 | 32 | 0.28 | 0.14 | 0.27 | 0.13 | 2.33 | 1.77 | 2.13 | 1.47 | 4.66 | 3.94 | 4.20 | 3.43 |
C | 2 | 9 | 51 | 0.27 | 0.13 | 0.26 | 0.13 | 2.57 | 2.01 | 2.38 | 1.83 | 5.13 | 4.47 | 4.61 | 3.97 |
C | 3 | 11 | 53 | 0.25 | 0.14 | 0.24 | 0.13 | 2.21 | 1.54 | 2.09 | 1.40 | 4.25 | 3.58 | 3.89 | 3.10 |
D | 1 | 8 | 31 | 0.26 | 0.13 | 0.26 | 0.13 | 3.76 | 2.78 | 3.66 | 2.72 | 8.03 | 7.11 | 7.59 | 6.67 |
D | 2 | 10 | 41 | 0.26 | 0.13 | 0.28 | 0.14 | 3.26 | 2.50 | 3.14 | 2.42 | 6.60 | 5.94 | 6.51 | 5.98 |
D | 3 | 12 | 51 | 0.27 | 0.14 | 0.25 | 0.14 | 3.03 | 2.45 | 3.12 | 2.44 | 6.30 | 6.23 | 6.34 | 6.05 |
E | 1 | 2 | 7 | 0.27 | 0.13 | 0.28 | 0.13 | 2.05 | 1.34 | 1.97 | 1.25 | 3.98 | 3.11 | 3.76 | 2.77 |
E | 2 | 4 | 17 | 0.32 | 0.13 | 0.33 | 0.14 | 3.15 | 1.62 | 3.24 | 1.68 | 6.24 | 3.76 | 6.20 | 3.63 |
E | 3 | 6 | 26 | 0.28 | 0.14 | 0.28 | 0.15 | 3.32 | 2.84 | 3.88 | 3.47 | 7.74 | 8.60 | 8.83 | 9.38 |
F | 1 | 3 | 8 | 0.28 | 0.14 | 0.29 | 0.14 | 1.81 | 1.17 | 1.76 | 1.16 | 3.55 | 2.74 | 3.53 | 2.95 |
F | 2 | 5 | 15 | 0.26 | 0.13 | 0.27 | 0.14 | 1.87 | 1.19 | 1.91 | 1.21 | 3.58 | 2.84 | 3.70 | 2.82 |
F | 3 | 7 | 27 | 0.29 | 0.15 | 0.29 | 0.16 | 2.24 | 1.70 | 2.08 | 1.62 | 4.57 | 4.28 | 4.23 | 4.06 |
G | 1 | 8 | 26 | 0.26 | 0.13 | 0.26 | 0.13 | 3.21 | 2.59 | 3.00 | 2.41 | 6.80 | 6.66 | 6.25 | 6.01 |
G | 2 | 10 | 38 | 0.24 | 0.12 | 0.24 | 0.12 | 3.31 | 2.55 | 3.22 | 2.51 | 6.70 | 6.13 | 6.55 | 6.20 |
G | 3 | 12 | 52 | 0.33 | 0.16 | 0.32 | 0.16 | 2.99 | 1.96 | 3.26 | 2.35 | 6.27 | 4.74 | 6.77 | 5.40 |
H | 1 | 7 | 23 | 0.23 | 0.14 | 0.24 | 0.15 | 2.57 | 1.61 | 2.71 | 1.80 | 4.68 | 4.35 | 4.99 | 4.64 |
H | 2 | 9 | 34 | 0.31 | 0.15 | 0.32 | 0.16 | 2.50 | 1.83 | 2.69 | 2.02 | 5.29 | 4.77 | 5.64 | 4.93 |
H | 3 | 11 | 42 | 0.30 | 0.16 | 0.29 | 0.16 | 2.33 | 1.84 | 2.42 | 1.93 | 4.94 | 5.16 | 4.96 | 4.92 |
I | 1 | 3 | 8 | 0.29 | 0.14 | 0.28 | 0.14 | 1.90 | 1.09 | 1.87 | 1.11 | 3.74 | 2.80 | 3.59 | 2.66 |
I | 2 | 5 | 24 | 0.25 | 0.15 | 0.24 | 0.15 | 1.84 | 1.19 | 2.04 | 1.37 | 3.38 | 2.72 | 3.79 | 3.20 |
I | 3 | 7 | 42 | 0.27 | 0.14 | 0.26 | 0.14 | 2.19 | 1.70 | 2.15 | 1.60 | 4.43 | 4.25 | 4.28 | 3.87 |
J | 1 | 5 | 16 | 0.27 | 0.14 | 0.27 | 0.14 | 3.02 | 2.47 | 2.86 | 2.20 | 6.18 | 5.84 | 5.76 | 5.10 |
J | 2 | 7 | 29 | 0.25 | 0.14 | 0.25 | 0.14 | 2.76 | 2.18 | 2.85 | 2.41 | 5.60 | 5.41 | 5.79 | 5.97 |
J | 3 | 9 | 35 | 0.33 | 0.15 | 0.30 | 0.15 | 2.78 | 1.73 | 2.80 | 1.74 | 5.71 | 3.96 | 5.53 | 4.00 |
K | 1 | 5 | 22 | 0.26 | 0.13 | 0.25 | 0.13 | 2.76 | 2.29 | 2.76 | 2.28 | 5.69 | 5.61 | 5.67 | 5.40 |
K | 2 | 7 | 30 | 0.26 | 0.13 | 0.26 | 0.13 | 2.52 | 1.98 | 2.63 | 1.93 | 5.06 | 4.72 | 5.43 | 4.76 |
K | 3 | 9 | 50 | 0.31 | 0.15 | 0.30 | 0.15 | 2.72 | 1.59 | 2.81 | 1.65 | 5.61 | 3.84 | 5.69 | 3.99 |
L | 1 | 2 | 9 | 0.26 | 0.12 | 0.27 | 0.12 | 2.67 | 1.76 | 2.47 | 1.61 | 5.16 | 4.11 | 4.74 | 3.78 |
L | 2 | 4 | 21 | 0.24 | 0.13 | 0.26 | 0.13 | 3.17 | 2.48 | 2.90 | 2.30 | 6.27 | 6.02 | 5.96 | 5.82 |
L | 3 | 6 | 34 | 0.27 | 0.13 | 0.29 | 0.14 | 2.34 | 1.62 | 2.70 | 1.79 | 4.59 | 3.98 | 5.56 | 4.69 |
Note: Developmental score measured by Alberta Infant Motor Scale.