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. 2022 Jan 26;22:178. doi: 10.1186/s12889-022-12577-3

Table 2.

Unadjusted and adjusted OR and 95% CI of NO2 exposure with ARI symptoms

Unadjusted OR (95% CI) Adjusted OR (95% CI)
Continuous NO2 (10 mol/m2) 1.22 (1.03—1.44)a 1.27 (1.06—1.52)a
Categorical
Q1 (8.34 – 13.52 mol/m2) 1 (Reference) 1 (Reference)
Q2 (13.53 – 16.07 mol/m2) 1.23 (0.79—1.91) 1.30 (0.83—2.02)
Q3 (16.08 – 18.89 mol/m2) 1.16 (0.75—1.81) 1.21 (0.77—1.91)
Q4 (18.90 – 69.29 mol/m2) 1.53 (1.00—2.32)a 1.71 (1.08—2.69) a

Adjusted for child's age, maternal education, wealth index, residence, mean temperature, and mean relative humidity.ap < 0.05