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Table 3 Bivariate correlations (coefficient and 95% CI) between chronological age, indicator of somatic maturation, body mass, stature, BMI, estimated percentage of fat mass and 20-m shuttle run performance (upper portion) and partial correlations (coefficient and 95% CI) controlling for chronological age (bottom portion) for the total sample (n = 1,206)

From: Nutritional status, biological maturation and cardiorespiratory fitness in Azorean youth aged 11–15 years

   % PMS Body mass Stature BMI Body fat 20-m SRT
Bivariate correlation CA 0.71 ** (0.68 to 0.74) 0.48 ** (0.44 to 0.52) 0.64 ** (0.61 to 0.67) 0.23 ** (0.18 to 0.28) −0.02 (−0.08 to 0.04) 0.13 ** (0.07 to 0.19)
Partial correlation % PMS   0.36 ** (0.31 to 0.41) 0.31 ** (0.26 to 0.36) 0.30 ** (0.25 to 0.35) 0.26 ** (0.21 to 0.31) −0.30 ** (−0.35 to −0.25)
(controlling for CA) Body mass   0.54 ** (0.50 to 0.58) 0.90 ** (0.89 to 0.91) 0.59 ** (0.55 to 0.63) - 0.19 ** (−0.24 to −0.13)
  Stature    0.13 ** (0.07 to 0.19) −0.01 (−0.07 to 0.05) 0.12 ** (0.06 to 0.18)
  BMI     0.72 ** (0.69 to 0.75) - 0.29 ** (−0.31 to −0.24)
  % body fat      −0.35 ** (−0.40 to −0.30)
  1. CA Chronological age, % PMS Predicted Mature Stature, BMI Body Mass Index, SRT Shuttle Run Test.
  2. * p < 0.05.
  3. ** p < 0.01.