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Table 4 Regression analyses for the possible mediated effects of independent mobility among boys and girls

From: Parental perceived neighborhood attributes: associations with active transport and physical activity among 10–12 year old children and the mediating role of independent mobility

BOYS: potential mediator: independent mobility

α (SE)

95% CI

B (SE)

95% CI

αß (SE)

95% CI

Proportion Mediated (%)

Residential density

−0.002 (0.003)

−0.008 – 0.004

     

Land use mix diversity

−0.128 (0.081)

−0.287 – 0.031

     

Distance to school

−0.045 (0.053)

−0.149 – 0.059

     

Land use mix access

0.076 (0.071)

−0.063 – 0.215

     

Availability of walking and cycling infrastructure

−0.083 (0.083)

−0.246 – 0.080

     

Aesthetics

0.078 (0.104)

−0.126 – 0.282

     

GIRLS: potential mediator: independent mobility

α (SE)

95% CI

B (SE)

95% CI

αß (SE)

95% CI

Proportion Mediated (%)

Residential density

0.008(0.003)

0.002 – 0.014

     

Active transport to and from school

  

0.059(0.024)

0.012 – 0.106

0.000 (0.000)

0.000 – 0.001

11.8%

Walking for transport during leisure time leisure

  

0.038 (0.026)

−0.013 – 0.089

   

Total physical activity level

  

0.054 (0.010)

0.034 – 0.074

0.000 (0.000)

0.000 – 0.001

43.2%

Land use mix diversity

0.050(0.092)

−0.130 – 0.230

     

Distance to school

−0.011(0.061)

−0.131 -0.109

     

Land use mix access

0.250(0.080)

0.093 – 0.407

     

Active transport to and from school

  

0.047(0.022)

0.004 – 0.090

0.012 (0.007)

−0.001 – 0.0025

 

Walking for transport during leisure time leisure

  

0.028 (0.025)

−0.021 – 0.077

   

Total physical activity level

  

0.050 (0.009)

0.032 – 0.068

0.013 (0.005)

0.004 – 0.023

37.7%

Availability of walking and cycling infrastructure

0.200(0.099)

0.006 – 0.394

     

Active transport to and from school

  

0.057(0.023)

0.012 – 0.102

0.011 (0.007)

−0.003 – 0.026

 

Walking for transport during leisure time leisure

  

0.035 (0.025)

−0.014 – 0.084

   

Maintenance and quality of walking and cycling infrastructure

0.108(0.091)

−0.070 – 0.286

     

Safety for traffic

0.411(0.123)

0.170 – 0.652

     

Total physical activity level

  

0.051 (0.009)

0.033 – 0.069

0.021 (0.007)

0.007 – 0.035

39.5%

Convenience of recreational facilities

0.205(0.091)

0.027 – 0.383

     

Walking for transport during leisure time leisure

  

0.037 (0.025)

−0.012 – 0.085

   
  1. SE, standard error; CI confidence interval.
  2. Notes: α-coefficients were estimated by regressing children’s level of independent mobility onto the neighbourhood environmental perceptions.
  3. ß-coefficients were estimated by regressing the dependent active transport and physical activity variables onto the neighbourhood environmental perceptions and children’s level of independent mobility.
  4. αß-coefficients represent the mediated effect.
  5. All regression models were adjusted for educational attainment of mother and father and clustering by schools.
  6. All regression models including the daily step counts as dependent variable were controlled for type of monitor (pedometer or accelerometer).
  7. The significant effects were shown in bold.