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Table 3 Parameters (regression coefficients) of the linear model for prediction of VO2max by group and distance

From: Associations of mode and distance of commuting to school with cardiorespiratory fitness in Slovenian schoolchildren: a nationwide cross-sectional study

Variables Adjusted model
From home to school From school to home
Coefficient 95% CI Coefficient 95% CI
Constant 36.42*** (28.17, 44.67) 36.63*** (29.11, 44.15)
Commuting group
 Car −6.49 (−15.91, 2.93) −15.14** (−26.88, − 3.39)
 Public − 0.08 (−9.06, 8.90) −3.19 (− 11.27, 4.88)
 Wheels 3.00 (−16.24, 22.25) 15.66 (−4.09, 35.41)
 Walk (ref)     
Interaction Commuting group × Distancea
 Car × Distance 0.58 (−0.04, 1.20) 1.25** (0.34, 2.17)
 Public × Distance 0.06 (−0.49, 0.61) 0.33 (−0.21, 0.88)
 Wheels × Distance −0.09 (−1.79, 1.62) − 1.15 (−2.89, 0.60)
 Walk × Distance −0.02 (− 0.62, 0.58) 0.03 (−0.42, 0.48)
Gender
 Males 7.97*** (6.75, 9.19) 7.58*** (6.52, 8.63)
 Females (ref)     
Interaction Commuting group × Gender
 Car × Males −2.20* (−4.16, −0.24) −2.63* (−5.23, − 0.03)
 Public × Males − 2.00* (−3.81, − 0.20) −1.35 (−2.99, 0.30)
 Wheels × Males −1.95 (−7.49, 3.60) −3.10 (−9.31, 3.12)
 Walk × Males (ref)     
Covariates
 MVPAb 0.076*** (0.03, 0.12) 0.073*** (0.032, 0.12)
 Age 0.43* (0.00, 0.85) 0.40 (−0.02, 0.82)
  1. * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001
  2. aStreet distance log values, bModerate-to-vigorous physical activity squared values