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Table 4 Unadjusted and adjusted cross-sectional associations between Local-IM, Area-IM and physical activity for boys and girls

From: Independent mobility in relation to weekday and weekend physical activity in children aged 10–11 years: The PEACH Project

  Weekday physical activity (counts per minute)   Weekend physical activity (counts per minute)  
Boys Beta (95% CI) z p % Variance explained (within, between, overall) Beta (95% CI) z p % Variance explained (within, between, overall)
Local-IM 33.55a (19.23,47.87) 4.59 < 0.001 (0.032,0.144,0.041) 24.47a (-2.319,51.25) 1.79 0.073 (0.007,0.009,0.010)
  35.92b (21.59,50.24) 4.35 0.001 (0.029,0.071,0.038) 25.77b (-1.63,53.17) 1.84 0.065 (0.030,0.216,0.045)
Area-IM 30.48a (16.73,44.23) 4.35 0.001 (0.029,0.071,0.038) 21.92a (-4.26,48.17) 1.64 0.101 (0.006,0.001,0.008)
  32.61c (18.80,46.42) 4.63 < 0.001 (0.061,0.500,0.152) 25.42c (-1.31,52.15) 1.86 0.062 (0.031,0.199,0.045)
Local-IM* Area-IM 6.51d (-21.66,15.01) 0.60 0.547   8.40d (-32.07,48.88) 0.41 0.684  
Girls Beta (95% CI) Z p % Variance explained (within, between, overall) Beta (95% CI) z p % Variance explained (within, between, overall)
Local-IM 17.89a (6.20, 29.58) 3.00 0.003 (0.015,0.001,0.013) 24.13a (4.49,43.78) 2.41 0.016 (0.005,0.226,0.011)
  16.88b (4.98,28.79) 2.78 0.005 (0.021,0.239,0.053) 23.45b (3.42,43.47) 2.29 0.022 (0.021,0.055,0.035)
Area-IM 21.03a (8.43,33.64) 3.27 0.001 (0.016,0.095,0.024) 20.86a (-0.589,42.31) 1.91 0.057 (0.002,0.179, 0.007)
  21.26c (8.52,33.99) 3.27 0.001 (0.024,0.281,0.063) 18.93c (-2.80,40.65) 1.71 0.088 (0.030,0.216,0.045)
Local-IM* Area-IM 3.31d (-21.66,15.04) -0.35 0.724   3.25d (-28.87,35.37) 0.20 0.843  
  1. a Unadjusted model
  2. b Adjusted for BMI, IMD score, daylight, pubertal status
  3. c Adjusted for Local-IM, BMI, IMD score, daylight, pubertal status
  4. d Adjusted for Local-IM, Area-IM, BMI, IMD score, daylight, pubertal status