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Table 2 Associations between independent mobility and mean daily minutes spent in light, moderate-to-vigorous and total physical activity 1

From: Associations between children’s independent mobility and physical activity

  Light PA MVPA Total PA
  b SE2 95% CI p-value b SE 95% CI p-value b SE 95% CI p-value
Usual travel to school             
IM (n = 68) -0.55 9.05 -19.12 – 18.02 0.95 -1.48 5.11 -12.86 – 9.90 0.80 -2.53 11.35 -25.92 – 20.85 0.83
Non-IM (n = 123)    
Usual travel to non-school destinations             
Higher IM (n = 82) -13.24 8.95 -35.85 – 9.37 0.25 4.81 7.76 -11.17 – 20.78 0.56 -4.10 15.44 -39.96 – 31.76 0.82
Lower IM (n = 109)    
Usual outdoor play             
Higher IM (n = 127) 29.73 9.57 9.39 – 50.06 <0.01 3.96 7.75 -12.01 – 19.93 0.63 32.43 13.53 3.23 – 61.62 0.03
Lower IM (n = 64)    
  1. Abbreviations: b unstandardised beta coefficient, 95% CI 95% confidence interval, p p-value, SE robust standard error, IM independent mobility, MVPA moderate-to-vigorous physical activity, PA physical activity.
  2. 1Adjusted for clustering by school location (representing levels of neighbourhood urbanisation), age, sex, parental education attainment, number of motor vehicles in the household, Actiheart wear time.
  3. 2Standard errors, confidence intervals and p-values were calculated from imputed beta coefficients using Rubin’s [38] conventional method.
  4. Note, independent travel to school and non-school destinations included walking, cycling and public transport.