Table 4 Odds ratios for different lag-day model structures of air pollutants

SO₂

0

1.043

0.934

1.166

1

1.065

0.955

1.187

2

1.126^a

1.014

1.251

3

1.188^a

1.075

1.312

01

1.072

0.945

1.216

02

1.131

0.986

1.298

03

1.219^a

1.053

1.412

NO₂

0

1.086^a

1.009

1.168

1

1.065

0.988

1.148

2

1.073

0.996

1.157

3

1.111^a

1.031

1.197

01

1.093^a

1.007

1.187

02

1.111^a

1.015

1.215

03

1.146^a

1.040

1.263

CO

0

1.002

0.970

1.034

1

1.031^a

1.003

1.059

2

1.007

0.972

1.044

3

1.005

0.974

1.037

01

1.030

0.992

1.071

02

1.036

0.988

1.088

03

1.038

0.983

1.096

O₃

0

0.942

0.824

1.077

1

1.053

0.943

1.177

2

1.089

0.985

1.203

3

1.089

0.989

1.199

01

1.011

0.865

1.181

02

1.087

0.923

1.280

03

1.141

0.964

1.350