Table 2

Probit and linear regression estimates for the association between demographic, built environment, reasons for moving to a new neighborhood (preferences), and attitude and neighborhood-based transportation walking
Probit models for participation in transportation walking in the neighborhood (n = 1681) Linear models for weekly minutes of transportation walking in the neighborhood (walkers only n = 611)
Probit (95CI)1 Probit (95CI)2 Marginal (%)2 B (95CI)1 B (95CI)3 Heckman-corrected B (95CI)3
Built environment
Walkability index 0.058 (0.020, 0.096)* 0.061 (0.022, 0.100)* 2.16 1.52 (−2.85, 5.29) 1.35 (−2.40, 5.09) 3.32 (−8.84, 15.49)
Sidewalk length (per 10 km) 0.082 (0.033, 0.131)* 0.084 (0.034, 0.134)* 2.97 2.95 (−1.34, 7.24) 3.02 (−1.24, 7.27) 5.38 (−0.51, 11.27)Ω
Attitude and neighborhood preferences
Attitude towards walking 0.050 (0.032, 0.068)* 1.78 2.83 (0.97, 4.69)* 4.45, (−0.58, 9.47)Ω
Access to recreation 0.096 (−0.009, 0.200)Ω 3.38 7.43 (−2.76, 17.61) 9.55 (6.31, 12.80)*
Access to schools 0.045 (−0.025, 0.116) 1.60
Access to services −0.056 (−0.165, 0.053) −1.97 1.76 (−8.49, 12.01) −0.61 (−11.70, 10.47)
Streets pedestrian/cycle friendly 0.223 (0.114, 0.332)* 7.91 5.97 (−3.29, 15.23) 10.54 (−0.78, 21.87)Ω
Housing affordability/variety −0.232 (−0.352, -0.112)* −8.20
Inverse Mills Ratio 44.90
Rho 0.54

1Adjusted for gender, age, education, walkability and sidewalks.

2Adjusted for gender, age, education, walkability and sidewalks, neighborhood preferences, and attitude correlates.

3Adjusted for gender, age, education, walkability and sidewalks and for preference and attitude variables with statistically significant bivariate associations with walking.

B: Unstandardized regression coefficient. 95CI: 95% confidence interval. *p < .05; Ωp < .10.

McCormack et al.

McCormack et al. International Journal of Behavioral Nutrition and Physical Activity 2012 9:92   doi:10.1186/1479-5868-9-92

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