Table 3

The adjusted associations of particle number and mass concentrations with health outcomes

PM10PM2.5–10PM2.5PM1PNC
βSEMβSEMβSEMβSEMβSEM
Morning PEF deviation L·min−1Lag00.670.310.700.300.450.370.130.36−0.100.30
lag 1−0.120.310.150.32−0.400.37−0.470.35−0.770.30
lag 20.070.310.230.31−0.080.36−0.140.350.110.32
lag 30.440.340.640.34−0.010.380.110.35−0.240.33
5‐d ave1.740.601.420.440.560.530.380.60−0.980.59
Afernoon PEF deviation L·min−1lag 00.050.310.310.30−0.180.40−0.520.38−0.660.33
lag 10.490.300.470.300.390.380.230.36−0.030.34
lag 20.090.300.250.30−0.120.37−0.370.36−0.810.36
lag 30.140.350.080.360.150.40−0.010.38−0.290.35
5‐d ave0.590.560.490.460.200.45−0.430.51−1.920.59
Evening PEF deviation L·min−1lag 00.500.330.730.320.090.40−0.220.40−0.920.35
lag 10.580.340.620.340.360.410.350.390.110.36
lag 20.180.340.310.350.070.41−0.330.390.090.36
lag 3−0.520.37−0.490.39−0.540.41−0.740.38−0.800.35
5‐d ave0.970.730.840.620.140.570.020.69−1.480.73
Asthma symptom prevalence %lag 00.0010.004−0.0030.0040.0070.0050.0060.0050.0020.004
lag 1−0.0020.0040.0040.004−0.0070.005−0.0060.005−0.0030.004
lag 20.0030.0050.0050.005−0.0010.005−0.0020.0050.0040.005
lag 3−0.0080.005−0.0040.005−0.0080.005−0.0080.005−0.0010.005
5‐d ave−0.0080.010−0.0020.007−0.0040.0070.0000.0080.0000.009
Cough prevalence %lag 00.0030.0040.0000.0040.0030.0050.0040.0050.0040.004
lag 1−0.0070.004−0.0060.004−0.0070.005−0.0030.004−0.0010.004
lag 2−0.0070.004−0.0080.004−0.0070.005−0.0060.0040.0040.004
lag 3−0.0020.004−0.0030.0040.0010.0040.0050.0040.0020.004
5‐d ave−0.0100.010−0.0100.007−0.0040.0070.0050.0090.0120.010
Bronchodilator use doses·person−1·day−1lag 0−0.0280.025−0.0410.027−0.0140.030−0.0110.027−0.0130.023
lag 1−0.0020.026−0.0350.0260.0310.0310.0080.0280.0200.023
lag 2−0.0460.026−0.0320.028−0.0550.029−0.0160.029−0.0170.023
lag 30.0580.0270.0480.0300.0430.0300.0140.028−0.0090.024
5‐d ave−0.0250.070−0.0310.0530.0180.052-0.0270.062-0.0290.059
  • The models are adjusted for long term time trend, temperature, relative humidity, weekend effect and autocorrelation

  • PM1: particle mass concentration <1 μm

  • PM2.5: particle mass concentration <2.5 μm

  • PM10: particle mass concentration <10 μm

  • PM2.5–10: coarse particle mass (PM10–PM2.5)

  • PNC: daily mean particle number concentration

  • PEF: peat expiratory flow

  • β: regression coefficiant (calculated for interquartile range of pollutant)

  • 5‐d ave: S day avarage

  • p<0.05

  • p<0.01.