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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.