Research Article
Increased Outdoor PM2.5 Concentration Is Associated with Moderate/Severe Anemia in Children Aged 6–59 Months in Lima, Peru
Table 4
Logistic regression models between PM2.5 and mild and moderate/severe anemia.
| PM2.5 (μg/m3) | Sample n | Mild anemia (n = 42894) | Moderate/severe anemia (n = 12322) | Crude OR (95% CI) | Adjusted OR (95% CI) | Crude OR (95% CI) | Adjusted OR (95% CI) |
| 1stQ (<18.23) | 27757 | 1 | 1 | 1 | 1 | 2Q (18.23–20.25) | 27865 | 0.97 (0.960–1.084) | 1.02 (0.987–1.068) | 1.02 (0.960–1.084) | 1.09 (1.025–1.166) | 3Q (20.26–24.96) | 27952 | 1.01 (0.969–1.043) | 0.99 (0.949–1.034) | 1.03 (0.969–1.094) | 1.09 (1.016–1.168) | 4Q (24.97–28.84) | 27876 | 1.04 (1.009–1.086) | 1.00 (0.955–1.051) | 1.10 (1.045–1.177) | 1.19 (1.097–1.281) | 5Q (28.85–51.00) | 27918 | 1.03 (0.999–1.075) | 1.04 (0.984–1.105) | 1.07 (1.010–1.140) | 1.24 (1.133–1.366) |
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Models are adjusted by gender, stunting, season, poverty, months, year, and Lima zone. Bold values denote statistical significance.
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