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