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Table 3 Bivariate and multivariate (Model 1) relationships of individual-level characteristics and active transportation to school (N = 3 997)

From: Multi-level examination of correlates of active transportation to school among youth living within 1 mile of their school

Individual-level characteristics % Engaged in active transportation Bivariate model Multivariate model 1
RR (95% CI) RR (95% CI)
Gender
  Male 67.6 1.00 1.00
  Female 57.9 0.86 (0.81 - 0.91) 0.85 (0.80 - 0.90)
Grade
  6 58.6 1.00 1.00
  7 62.3 1.06 (0.97-1.15) 1.08 (0.99 - 1.17)
  8 64.1 1.07 (0.97-1.17) 1.09 (0.99 - 1.19)
  9 61.9 1.12 (0.99-1.23) 1.11 (0.99 - 1.23)
  10 67.3 1.14 (1.01-1.25) 1.13 (1.00 - 1.24)
  P trend   0.03 0.05
Ethnicity
  Caucasian only 60.3 1.00 1.00
  Caucasian and other 70.2 1.09 (0.95 - 1.21) 1.11 (0.97 - 1.23)
  Aboriginal 69.2 1.08 (0.98 - 1.18) 1.03 (0.92 - 1.14)
  Other 64.1 0.92 (0.84 - 1.00) 0.92 (0.84 - 1.00)
Number of siblings
  0 65.5 1.00 1.00
  1 60.1 0.92 (0.84 - 1.00) 0.96 (0.88 - 1.03)
  2+ 64.2 0.97 (0.90 - 1.05) 1.01 (0.93 - 1.08)
  P trend   0.88 0.38
Adults at home
  Both mother and father 59.6 1.00 1.00
  One parent and one step-parent 67.5 1.11 (1.02 - 1.20) 1.08 (0.98 - 1.17)
  Single parent 69.0 1.13 (1.06 - 1.19) 1.06 (0.98 - 1.14)
  Other 69.1 1.13 (0.97 - 1.26) 1.08 (0.92 - 1.23)
Family SES
  Very well off 57.1 1.00 1.00
  Well off 62.3 1.09 (1.00 - 1.21) 1.07 (0.99 - 1.15)
  Average 66.1 1.17 (1.10 - 1.25) 1.15 (1.07 - 1.23)
  Not very well off 66.2 1.16 (1.04 - 1.28) 1.14 (1.00 - 1.26)
  Not at all well off 59.1 1.02 (0.82 - 1.20) 0.97 (0.77 - 1.16)
  P trend   0.0005 0.009
Number of cars in household
  0 76.7 1.00 1.00
  1 68.6 0.94 (0.82 - 1.04) 0.94 (0.82 - 1.03)
  2+ 59.0 0.85 (0.72 - 0.95) 0.85 (0.73 - 0.97)
  P trend   <.0001 0.0001
Residential neighborhood is safe for children
  Strongly agree 63.5 1.00 1.00
  Agree 57.9 1.02 (0.96 - 1.08) 1.01 (0.94 - 1.07)
  Neither agree nor disagree 63.6 0.99 (0.91 - 1.06) 0.96 (0.88 - 1.04)
  Disagree 63.0 0.87 (0.75 - 0.99) 0.84 (0.72 - 0.96)
  Strongly disagree 62.2 0.98 (0.81 - 1.14) 0.96 (0.77 - 1.12)
  P trend   0.14 0.036
  1. RR (95% CI) = relative risk (95% confidence interval).