Crawling (n = 32) Not Crawling (n = 47)
M (SD) M (SD) U p Z R
Reflexes
MR 0.64 (0.60) 1.19 (0.64) 390.0 .007 -2.47 0.25
TLR 1.18 (0.77) 1.51 (0.83) 380.0 .009 -2.60 0.26
ATNR 0.93 (.90) 1.26 (0.831) 420.0 .045 -2.01 0.20
STNR 1.04 (0.84) 1.68 (1.045) 365.0 .008 -2.65 0.26
Mabc-2 Dimensions
Aiming and catching 21.75 (4.81) 17.49 (5.99) 213.00 <.001 -4.315 0.50
Balance 27.89 (7.30) 21.77 (6.01) 269.50 <.001 -3.651 0.42
Manual dexterity 23.39 (6.56) 17.28 (6.44) 283.00 <.001 -3.496 0.40
Total score 76.25 (14.58) 58.62 (15.38) 227.00 <.001 -4.146 0.47