Skip to main content

Table 3 Mediated effects of changes in environmental perceptions over 6 months on changes in physical activity behaviours

From: The working mechanisms of an environmentally tailored physical activity intervention for older adults: a randomized controlled trial

 

Effect environmental perceptions on outcome, β6 months (SE)

Mediated effect environmental perceptions, αβ6 months (SE)

  

Intervention basic

% ME

Intervention plus

% ME

Total PA day/wk

0.06 (0.03)*

0.00 (0.01)

-

0.03 (0.02)‡

6.2%

Cycling min/wk

3.67 (2.51)

0.16 (0.53)

-

1.87 (1.38)

-

Walking min/wk

4.66 (2.97)

0.21 (0.70)

-

2.38 (1.66)

-

Sports min/wk

6.23 (1.87)***

0.29 (0.93)

-

3.17 (1.32)*

>100

  1. * p < 0.05; ** p < 0.01; *** p < 0.001, ‡ p < 0.10; numbers in bold typeface: significant associations
  2. PA: Physical Activity; SE: Standard Error; %ME: proportion mediated. Regression models were adjusted for age, gender, educational status, occupational status, BMI, baseline levels of outcome, and within- district clustering effects.