Table 3: Hierarchical regression models of correlates of cardiorespiratory fitness according to sex, nutritional status and maturity status (n = 1,209).
Sex | Nutritional status | Somatic maturity status | |||||
---|---|---|---|---|---|---|---|
Boys | Girls | Normal weight | Overweight/obese | Late | On time | Early | |
First level | |||||||
Adjusted R² | 0.012 | 0.015 | 0.216 | 0.095 | 0.263 | - | 0.112 |
Socioeconomic status | - | -0.34 (-0.63 to -0.04) | - | - | - | - | - |
Maternal educational status | -0.46 (-0.87 to -0.04) | - | - | - | - | - | - |
Paternal body mass index | - | - | - | -0.14 (-0.268 to -0.029) | - | - | - |
Maternal physical activity status | - | 2.38 (0.41 to 4.34) | - | - | 4.57 (0.686 to 8.462) | - | - |
Number of siblings | - | - | 0.195 (0.058 to 0.331) | - | - | - | 0.297 (0.040 to 0.555) |
Second level | |||||||
Adjusted R² | 0.081 | 0.104 | 0.280 | 0.149 | 0.307 | 0.203 | 0.165 |
Tobacco smoking | - | -2.65 (-4.12 to -1.18) | - | -2.92 (-5.494 to -0.354) | - | - | - |
Alcohol consumption | - | -0.92 (-1.83 to -0.01) | -1.372 (-2.115 to -0.629) | - | - | -1.249 (-2.049 to -0.449) | - |
Early physical activity | - | - | - | 1.51 (0.278 to 2.749) | - | 0.671 (0.011 to 1.330) | - |
Habitual physical activity | 0.93 (0.59 to 1.27) | 0.44 (0.18 to 0.71) | 0.705 (0.492 to 0.918) | - | 1.10 (1.499 to 1.703) | 0.515 (0.278 to 0.752) | 0.619 (0.207 to 1.032) |
Screen time | - | -0.14 (-0.21 to -0.07) | -0.099 (-0.155 to -0.044) | - | - | - | - |
Third level | |||||||
Adjusted R² | 0.246 | 0.333 | 0.401 | 0.253 | 0.458 | 0.365 | 0.425 |
Chronological age | - | -1.54 (-1.80 to -1.28) | -0.854 (-1.134 to -0.574) | -0.548 (-0.987 to -0.108) | -1.53 (-2.085 to -0.994) | -0.545 (-0.771 to -0.319) | - |
Age at peak height velocity | - | 0.70 (0.19 to 1.21) | -0.675 (-1.230 to -0.121) | - | - | - | - |
Waist circumference | -0.22 (-0.27 to -0.17) | - | -0.080 (-0.150 to -0.010) | -0.120 (-0.191 to -0.050) | - | -0.199 (-0.239 to -0.159) | -0.192 (-0.238 to -0.146) |
Non-significant models are not presented; P < 0.05; Adjusted according to sex.