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Table 7 Associations of particulate matter indices, NO 2 and O 3 with incidence of symptoms in the four panels (random effects pooled estimates)

From: Particulate matter air pollution and respiratory symptoms in individuals having either asthma or chronic obstructive pulmonary disease: a European multicentre panel study

Symptom Pollutant Lag0 Lag1 Lag2 Lag06
   OR 95% CI OR 95% CI OR 95% CI OR 95% CI
Woken with breathing problems PM10 0.994 0.951-1.038 0.992 0.950-1.037 0.920 0.877-0.966 0.925 0.852-1.004
  PM2.5 0.995 0.931-1.064 0.965 0.903-1.033 0.919 0.857-0.984 0.878 0.784-0.983
  PM10 - 2.5 0.994 0.928-1.065 1.016 0.950-1.088 0.823 0.701-0.967 0.882 0.654-1.189
  PNC 0.878 0.736-1.048 1.041 0.934-1.160 0.887 0.716-1.099 0.816 0.563-1.181
  Absorbance 1.003 0.930-1.082 0.998 0.924-1.077 0.909 0.815-1.012 0.861 0.729-1.016
  NO2 1.013 0.936-1.096 1.015 0.953-1.082 0.956 0.900-1.016 0.923 0.817-1.043
  O3 1.016 0.912-1.131 0.988 0.937-1.041 0.994 0.945-1.045 1.069 0.980-1.165
Shortness of breath PM10 1.008 0.958-1.060 1.045 1.008-1.083 0.992 0.954-1.031 1.048 0.974-1.127
  PM2.5 1.019 0.963-1.079 1.039 0.982-1.098 0.999 0.941-1.061 1.069 0.976-1.171
  PM10 - 2.5 0.993 0.929-1.062 1.065 1.009-1.124 0.977 0.906-1.054 1.101 0.883-1.373
  PNC 0.963 0.871-1.066 0.871 0.785-0.966 0.968 0.861-1.088 0.992 0.767-1.283
  Absorbance 1.017 0.949-1.091 0.995 0.931-1.064 0.988 0.925-1.055 1.372 0.756-2.490
  NO2 1.022 0.970-1.076 0.969 0.918-1.022 0.998 0.947-1.052 1.036 0.921-1.165
  O3 0.989 0.945-1.035 0.987 0.944-1.031 1.021 0.980-1.065 1.021 0.950-1.097
Wheezing PM10 1.009 0.963-1.057 0.997 0.903-1.100 1.000 0.930-1.076 1.025 0.838-1.254
  PM2.5 1.009 0.949-1.073 0.989 0.884-1.106 1.023 0.925-1.132 1.065 0.839-1.351
  PM10 - 2.5 1.010 0.946-1.079 1.044 0.763-1.427 0.970 0.872-1.079 1.065 0.910-1.246
  PNC 0.968 0.832-1.127 1.060 0.938-1.198 1.051 0.950-1.163 1.207 0.877-1.660
  Absorbance 0.991 0.925-1.061 1.018 0.950-1.091 1.025 0.957-1.099 1.106 0.922-1.328
  NO2 1.009 0.951-1.071 0.986 0.932-1.043 1.028 0.974-1.086 1.089 0.988-1.199
  O3 0.968 0.921-1.017 0.978 0.899-1.064 0.975 0.931-1.022 0.940 0.861-1.026
Cough PM10 1.014 0.961-1.070 1.005 0.966-1.045 0.982 0.943-1.024 1.017 0.948-1.092
  PM2.5 0.976 0.891-1.069 0.969 0.912-1.030 0.990 0.932-1.052 0.991 0.898-1.094
  PM10 - 2.5 1.060 0.938-1.198 1.037 0.975-1.104 0.972 0.909-1.040 1.160 0.875-1.538
  PNC 0.956 0.834-1.095 1.024 0.924-1.135 0.983 0.888-1.089 1.109 0.819-1.500
  Absorbance 0.991 0.879-1.116 0.980 0.911-1.054 0.942 0.877-1.012 1.029 0.828-1.279
  NO2 0.994 0.942-1.049 0.968 0.884-1.061 0.975 0.923-1.030 0.999 0.844-1.182
  O3 0.984 0.939-1.032 1.027 0.950-1.109 1.044 1.000-1.090 1.030 0.938-1.132
  1. Bold are significant pooled effects.