Table 2 Means, standard deviations, ranges, and sample sizes of cross-sectional data from the MSEL Fine Motor scale, by age and group
Age | HRA+ | HRA− | LRC | p (3-group) | d (HRA+ vs. HRA−) | d (HRA+ vs. LRC) | d (HRA− vs. LRC) |
|---|---|---|---|---|---|---|---|
6 months | 7.86 (1.21) 6–11 n = 22 | 8.42 (1.28) 6–12 n = 50 | 8.13 (1.27) 6–12 n = 61 | 0.20 | − 0.44 | − 0.22 | 0.23 |
12 months | 16.5 (2.08) 12–21 n = 30 | 17.27 (1.80) 12–20 n = 67 | 16.58 (1.63) 12–20 n = 67 | 0.04 | − 0.41 | − 0.05 | 0.40 |
18 months | 20.36 (1.66) 16–24 n = 25 | 21.03 (1.64) 17–24 n = 67 | 20.96 (1.54) 19–25 n = 67 | 0.19 | −0.41 | − 0.38 | 0.04 |
24 months | 24.12 (2.42) 19–28 n = 25 | 25.13 (2.12) 20–29 n = 61 | 25.56 (2.59) 20–32 n = 63 | 0.04 | −0.46 | − 0.57 | −0.18 |