Skip to main content

Table 6 Age-specific effect of 10% increase in pollutant concentration on asthma outpatient and emergency visits (%) in Taipei City at 0-day lag

From: Spatiotemporal analysis of air pollution and asthma patient visits in Taipei, Taiwan

  Outpatient (0-day lag)
Model-1 PM10 (95% CI) SO2 (95% CI) O3 (95% CI) NO2 (95% CI)
Age 0–15 0.41 (0.13~0.69)* 0.28 (0.08~0.47)* 0.08 (-0.05~0.22) 0.66 (0.21~1.11)*
Age 16–65 0.43 (0.30~0.55)* 0.51 (0.36~0.66)* 0.22 (0.11~0.33)* 0.88 (0.65~1.11)*
Age >= 66 0.15 (0.00~0.29)* 0.36 (0.23~0.49)* 0.06 (-0.05~0.18) 0.29 (0.08~0.49)*
All Age 0.34 (0.22~0.46)* 0.44 (0.31~0.57)* 0.08 (0.03~0.14)* 0.65 (0.48~0.83)*
  Outpatient (0-day lag)
Model-2 PM10 (95% CI) SO2 (95% CI) O3 (95% CI) NO2 (95% CI)
Age 0–15 0.26 (-0.10~0.63) 0.12 (-0.20~0.44) -0.15 (-0.24~-0.05)* 0.22 (-0.15~0.59)
Age 16–65 0.24 (0.08~0.39)* 0.20 (0.04~0.36)* -0.07 (-0.26~0.11) 0.46 (0.27~0.65)*
Age >= 66 0.07 (-0.10~0.25) 0.33 (0.19~0.47)* -0.03 (-0.19~0.14) 0.03 (-0.25~0.32)
All Age 0.20 (0.01~0.39)* 0.27 (0.12~0.41)* -0.13 (-0.24~-0.01)* 0.30 (0.16~0.45)*
  Emergency (0-day lag)
Model-1 PM10 (95% CI) SO2 (95% CI) O3 (95% CI) NO2 (95% CI)
Age 0–15 0.12 (-0.44~0.67) -0.04 (-0.24~0.16) 0.09 (-0.19~0.38) 0.17 (-0.30~0.64)
Age 16–65 -0.17 (-0.55~0.22) -0.09 (-0.36~0.17) -0.08 (-0.24~0.09) -0.21 (-0.60~0.18)
Age >= 66 0.23 (-0.07~0.53) -0.26 (-0.50~-0.01)* -0.01 (-0.15~0.13) -0.03 (-0.21~0.15)
All Age 0.03 (-0.24~0.29) -0.06 (-0.27~0.14) -0.06 (-0.24~0.13) -0.09 (-0.47~0.28)
  Emergency (0-day lag)
Model-2 PM10 (95% CI) SO2 (95% CI) O3 (95% CI) NO2 (95% CI)
Age 0–15 -0.04 (-0.42~0.34) -0.01 (-0.35~0.33) 0.05 (-0.21~0.30) -0.08 (-0.58~0.41)
Age 16–65 -0.08 (-0.53~0.37) 0.03 (-0.22~0.27) -0.01 (-0.18~0.16) -0.19 (-0.58~0.20)
Age >= 66 0.25 (-0.13~0.64) -0.30 (-0.64~0.05) 0.03 (-0.17~0.22) -0.01 (-0.37~0.35)
All Age 0.14 (-0.17~0.44) -0.02 (-0.26~0.21) -0.08 (-0.25~0.09) -0.15 (-0.43~0.13)
  1. *Model 1: Single pollutant model.
  2. Model 2: Four pollutants model.
  3. *Statistically significant.