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Table 2 Estimates from the multiple mixed-effect logistic regression model evaluating the likelihood of experiencing pneumonia

From: An Italian individual-level data study investigating on the association between air pollution exposure and Covid-19 severity in primary-care setting

Characteristic Category Odds Ratio 95% Confidence Interval
    Lowe Limit Upper Limit
PM10 tertiles PM10 ≤ 19.84 μg/m3 1.00
19.84 μg/m3 < PM10 ≤ 28.73 μg/m3 1.34 1.09 1.65
PM10 > 28.73 μg/m3 1.93 1.55 2.39
Gender Female 1.00
Male 1.52 1.31 1.76
Age class 14 ≤ Age < 45 years: N (%) 1.00
45 ≤ Age < 55 years: N (%) 2.25 1.74 2.91
55 ≤ Age < 65 years: N (%) 3.09 2.40 3.99
Age ≥ 65 years 5.51 4.29 7.06
Hypertension No 1.00
Yes 0.99 0.84 1.17
Diabetes No 1.00
Yes 1.23 0.97 1.55
Asthma No 1.00
Yes 1.58 1.16 2.16
COPD No 1.00
Yes 1.02 0.78 1.34
Coronary artery disease No 1.00
Yes 0.96 0.71 1.31
Cerebrovascular disease No 1.00
Yes 1.01 0.75 1.37
Obesity No 1.00
Yes 1.24 1.01 1.54
  1. C = 0.77