Table 1. Descriptive statistics and Pearson correlations between age and percentage of predicted mature stature and morphological, fitness and motor coordination variables (n = 74).
Variable (abbreviation) Mean (95%CI) SD Correlations: Xi,Yi; Xi,Zi; Xi,Wi,
X1: Chronological age X3: %PMS
coefficient (95% CI) coefficient (95% CI)
X1: Chronological age, years 8.45 (8.39 to 8.52) .29
X2: Predicted mature stature, cm 162.3 (160.9 to 163.7) 6.0
X3: Percentage of PMS, % 80.5 (79.9 to 81.1) 2.5
Y1: Stature, cm 130.7 (129.3 to 132.0) 5.8 0.19 (-0.04 to 0.40) 0.60 (0.43 to 0.73)
Y2: Body mass, kg 30.4 (28.9 to 32.0) 6.6 0.10 (-0.13 to 0.32) 0.92 (0.88 to 0.95)
Y3: Body mass index, kg.m-2 17.7 (17.0 to 18.5) 3.3 -0.01 (-0.24 to 0.22) 0.81 (0.71 to 0.88)
Y4: Waist circumference, cm 59.5 (57.9 to 61.2) 7.3 0.05 (-0.18 to 0.26) 0.84 (0.76 to 0.90)
Y5: WC-to-stature ratio, % 45.6 (44.4 to 46.8) 5.2 -0.03 (-0.26 to 0.20) 0.68 (0.54 to 0.79)
Y6: Sitting height, cm 68.7 (68.0 to 69.4) 3.2 0.14 (-0.09 to 0.36) 0.71 (0.58 to 0.81)
Y7: SH-to-stature ratio, % 52.6 (52.2 to 52.9) 1.4 -0.08 (-0.30 to 0.15) 0.27 (0.04 to 0.47)
Y8: Fat percentage, % 28.1 (26.7 to 29.5) 6.1 -0.07 (-0.29 to 0.16) 0.67 (0.52 to 0.78)
Y9: Fat mass, kg 8.9 (8.0 to 9.8) 3.9 0.01 (-0.22 to 0.24) 0.84 (0.76 to 0.90)
Y10: Fat free mass, kg 21.6 (20.8 to 22.3) 3.2 0.14 (-0.09 to 0.36) 0.86 (0.79 to 0.91)
Z1: 2-kg medicine ball throw, cm 175 (168 to 182) 29 0.06 (-0.17 to 0.29) 0.48 (0.28 to 0.64)
Z2: Hand grip strength, Kgf 12.1 (11.3 to 12.8) 3.2 0.09 (-0.14 to 0.31) 0.47 (0.27 to 0.63)
Z3: 60-s sit-ups, # 14.9 (12.8 to 17.0) 8.9 -0.02 (-0.25 to 0.21) -0.22 (-0.43 to 0.01)
Z4: Standing long jump, cm 82 (76 to 87) 24 0.12 (-0.11 to 0.34) -0.11 (-0.33 to 0.12)
Z5: Sit-and-reach, cm 26.1 (24.8 to 27.5) 5.8 0.10 (-0.13 to 0.32) -0.15 (-0.37 to 0.08)
Z6: 25-m dash, s 6.40 (6.22 to 6.59) 0.80 0.08 (-0.15 to 0.30) 0.16 (-0.07 to 0.38)
Z7: 10x5-m shuttle run, s 27.54 (26.96 to 28.12) 2.51 0.08 (-0.15 to 0.30) -0.05 (-0.28 to 0.18)
Z8: Endurance 20-m, m 268 (239 to 298) 126 0.08 (-0.15 to 0.30) -0.32 (-0.51 to -0.10)
W1: Walking backward, # 38.6 (35.7 to 41.5) 12.5 -0.01 (-0.24 to 0.22) -0.28 (-0.48 to -0.06)
W2: Jumping sideways, # 29.9 (27.8 to 32.1) 9.4 0.20 (-0.03 to 0.41) -0.16 (-0.38 to 0.07)
W3: Moving sideways, # 31.4 (29.6 to 33.4) 8.2 -0.04 (-0.27 to 0.19) -0.22 (-0.43 to 0.01)
W4: Hopping for height, # 29.8 (26.9 to 32.8) 12.6 0.12 (-0.11 to 0.34) -0.18 (-0.39 to 0.05)
95%CI (95% confidence interval)# (Counts); the sign was inverted for the SPR and SHR since lower scores correspond to better performances. SD (standard deviation).