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Table 4 Percent change (mean and 95% confidence intervals) of daily total respiratory outpatients associated with10ug/m3 increase of pollutant concentrations in single and two-pollutant models

From: Acute effects of ambient air pollution on outpatient children with respiratory diseases in Shijiazhuang, China

Pollutants

Two-pollutant models

Estimates

NO2

Without adjustment

0.66 (0.30,1.03)**

Adjusted for O3

0.73 (0.35, 1.11)**

O3

Without adjustment

0.20(−0.12, 0.51)

Adjusted for SO2

0.29(−0.03, 0.61)

Adjusted for PM2.5

0.24(−0.08, 0.56)

Adjusted for PM10

0.21(−0.11, 0.53)

Adjusted for NO2

0.31(−0.01, 0.63)

PM10

Without adjustment

0.04(−0.04, 0.11)

Adjusted for O3

0.04(−0.03, 0.11)

PM2.5

Without adjustment

0.13 (0.02, 0.24)*

Adjusted for O3

0.14 (0.03, 0.25)*

SO2

Without adjustment

0.33 (0.10, 0.56)*

Adjusted for O3

0.37 (0.14,0.61)*

Adjusted for PM2.5

0.26 (0.01, 0.53)*

  1. Two-day moving average (lag01) concentrations of pollutants were used. *p < 0.05, **p < 0.001