|
Individual-level variables
|
|
Age (years)a
|
20,573
|
50.71
|
0.13
|
16,102
|
|
Household equivalised income (monthly, £)a
|
20,559
|
1726.22
|
17.34
|
− 3748.61, 130,362.60
|
|
Forced expiratory volume in 1 s (FEV1%)
|
16,347
|
92.46
|
0.13
|
22.07, 191.51
|
|
Systolic blood pressure (SBP, mmHg)
|
16,846
|
128.13
|
0.14
|
75.00, 226.00
|
|
Body Mass Index (BMI, kg/m2)
|
19,417
|
28.04
|
0.04
|
15.24, 59.64
|
|
C-reactive protein (CRP, mg/L)
|
11,825
|
2.08
|
0.02
|
0.20, 10.00
|
|
Neighborhood-level variables
|
|
Carstairs indexb
|
4929
|
0.16
|
3.26
|
−5.07, 15.27
|
|
Sulphur dioxide (SO2, μg/m3)c
|
4929
|
4.26
|
2.16
|
0.52, 19.14
|
|
Particulate matter (PM10, μg/m3)c
|
4929
|
15.63
|
2.05
|
9.30, 22.54
|
|
Nitrogen dioxide (NO2, mg/m3)c
|
4929
|
24.32
|
8.62
|
1.52, 60.36
|
|
Carbon monoxide (CO, μg/m3)c
|
4929
|
0.22
|
0.06
|
0.13, 0.56
|
|
%Green space
|
4929
|
57.28
|
27.51
|
0.00, 95.19
|
|
Proximity to industrial facilitiesd
|
4929
|
0.06
|
0.19
|
0.00, 1.00
|
