Table 3 Unadjusted mean BMI z-scores within tertile of environmental exposure, with tests for trend

All food outlets

1 (least exposed)

0.606

1.031

0.852

0.811

2

0.710

0.592

0.700

0.979

3

1.157 (0.208)**

1.018 (−0.081)

0.863 (−0.053)

0.671 (−0.104)

Takeaway food outlets

1 (least exposed)

0.722

1.031

0.924

0.737

2

0.590

0.592

0.613

0.877

3

1.161 (0.207)**

1.018 (−0.091)

0.790 (−0.060)

0.851 (−0.142)

Physical activity facilities

1 (least exposed)

0.593

1.179

0.721

0.551

2

0.903

0.324

1.061 (0.052)

0.727

3

0.967 (0.177)*

0.681 (−0.140)

-

1.197 (0.104)

Green space

1 (least exposed)

0.982

0.506

1.012

0.930

2

0.651

0.681

0.761

0.859

3

0.828 (−0.068)

1.379 (0.291)***

0.690 (−0.024)

0.676 (−0.131)

Density of fatal road traffic accidents

1 (least exposed)

0.836

0.926

0.795

0.570

2

0.763 (−0.084)

0.681 (−0.094)

0.885 (−0.122)

0.857

3

-

-

-

1.038 (−0.020)

Proportion of roads that are major roads

1 (most walkable)

0.655

0.640

0.765

0.862

2

1.306

0.976

0.617

0.557

3

0.952 (0.094)

0.747 (0.095)

1.085 (0.126)

1.056 (0.062)

Effective walkable area/Route length ratio (for journeys)

1 (least walkable)

0.548

1.379

1.066

0.773

2

0.808

0.681

0.663

0.850

3

1.110 (0.180)*

0.506 (−0.289)***

0.743 (−0.083)

0.842 (0.071)

Connected node ratio

1 (least connected)

0.655

1.031

-

-

2

0.905

0.681

-

-

3

0.912 (0.027)

0.843 (−0.059)

-

-

Herfindahl-Hirschmann Index

1 (least mixed)

0.559

1.031

0.554

0.506

2

0.886

0.976

1.055

1.064

3

1.020 (0.175)*

0.413 (−0.171)*

0.849 (0.113)

0.888 (0.113)