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Figure 3 | Environmental Health

Figure 3

From: Air pollution and lung function among susceptible adult subjects: a panel study

Figure 3

COPD panel: changes in FEV 1 per interquartile increase of selected metals from PM 2.5 samples during the previous 24, 48 or 72 hours* *Regression coefficients β (dots) and 95% confidence intervals (bars) from GEE models for panel data controlling for repeated individual observations, temperature, relative humidity, and day of the week, representing changes in FEV1 (% of predicted) per interquartile range increase of metal concentration (see Table 2 for the IQR values).

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