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Table 2 Walkability parameters, vehicle ownership and MVPA. Numbers represent regression coefficients (95% confidence intervals)

From: Walkability parameters, active transportation and objective physical activity: moderating and mediating effects of motor vehicle ownership in a cross-sectional study

  a paths b paths a c paths c’ paths Indirect effects (a paths*b paths) Proportion mediated
Residential density −0.53 −3.05 6.81 5.20 1.61 24%
  (−0.60; -0.46) (−4.50; -1.59) (4.35; 9.27) (2.63; 7.77) (0.81; 2.48)  
Residential density −0.49 −2.95 5.86 4.42 1.44 25%
(Full modelb) (−0.56; -0.42) (−4.45; -1.46) (3.37; 8.35) (1.84; 7.01) (0.69; 2.31)  
Street connectivity n/a n/a 0.02 (−0.02; 0.07) n/a n/a n/a
Street connectivity n/a n/a n/a n/a n/a n/a
(Full modelb)       
Land use mix −1.00 −3.07 10.30 7.24 3.06 30%
  (−1.11; -0.88) (−4.55; -1.60) (6.25; 14.35) (2.95; 11.53) (1.56; 4.67)  
Land use mix −0.90 −3.11 8.13 5.33 2.80 34%
(Full modelb) (−1.02; -0.78) (−4.62; -1.60) (3.94; 12.32) (0.94; 9.72) (1.32; 4.25)  
  1. a paths: Associations between walkability parameters and vehicle ownership.
  2. b paths: Associations between vehicle ownership and MVPA (minutes/day).
  3. c paths: Associations between walkability parameters and MVPA (minutes/day).
  4. c’ paths: c paths adjusted for vehicle ownership.
  5. ab paths are not based on the walkability parameters.
  6. bAdjusted for age, gender, income and marital status.
  7. n/a: Not applicable (as no significant association was found between the walkability parameter and the physical activity outcome).