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Table 1 Characteristics of the sample

From: Neighborhood deprivation and biomarkers of health in Britain: the mediating role of the physical environment

  N Mean SE Range
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
  1. aAge and household income values are based on the largest possible sample size
  2. bBased on the following neighborhood characteristics: male unemployment, overcrowding, car ownership, and social class
  3. cPopulation weighted, annual averages
  4. dProportion of neighborhood residents living within 4 Km of a waste site and/or 1.6 Km from a metal processing/production site