Table 2 Association of total and traffic-specific pollutants and diabetes incidence (relative risks for PM are presented for an increase equivalent to the IQR and for an increase of 1 μg/m³)

Total PM

PM_10ALL

3.78

1.08 (0.96;1.21)

1.20 (1.01;1.42)

1.02 (0.99;1.05)

1.05 (1.00;1.10)

PM_2.5All

2.29

1.03 (0.92;1.15)

1.08 (0.89;1.29)

1.01 (0.96;1.06)

1.03 (0.95;1.12)

Traffic

PM_10TRA

0.33

1.15 (1.05;1.27)

1.11 (0.99;1.23)

1.54 (1.15;2.05)

1.36 (0.98;1.89)

PM_2.5TRA

0.32

1.15 (1.04;1.26)

1.10 (0.99;1.23)

1.53 (1.15;2.05)

1.36 (0.97;1.89)

Distance to major road (>200 m reference) (N = 3186)

<= 100 (N = 180)

1.31 (0.99;1.75)

1.37 (1.04;1.81)

>100-200 (N = 339)

0.81 (0.60;1.12)

0.77 (0.57; 1.04)