Journal of Environmental and Public Health / 2019 / Article / Tab 2

Research Article

Increased Outdoor PM2.5 Concentration Is Associated with Moderate/Severe Anemia in Children Aged 6–59 Months in Lima, Peru

Table 2

Characteristics of children aged between 6 and 59 months according to the district of residence in Lima, 2012–2016.

Zone (n)Hb (g/dL)
(mean ± SD)
Age (months)
(mean ± SD)
Stunting (% (95% CI))PM2.5 (μg/m3)
(mean ± SD)
Anemia
(% (95% CI))

North (n = 50770)11.15 ± 0.9616.09 ± 11.14.96b (4.77–5.15)24.66 ± 6.07a40.85c (40.43–41.27)
Central (n = 20278)11.21 ± 0.9418.26 ± 12.24.07 (3.80–4.35)18.76 2.1137.60 (37.83–39.33)
South (n = 37007)11.14 ± 1.0117.11 ± 11.95.23 (5.00–5.46)21.45 ± 3.8739.70 (39.19–40.19)
East (n = 24957)11.09 ± 1.0315.75 ± 11.85.02 (4.75–5.30)31.57 ± 5.6341.07 (40.45–41.68)
West (n = 6356)11.31 ± 1.1419.21 ± 12.8018.59 ± 1.1730.07 (28.94–31.21)
Total11.15 ± 0.9916.76 ± 11.74.69 (4.57–4.79)23.91 ± 6.4239.62 (39.36–39.87)

Anemia: hemoglobin (Hb) < 11 g/dL. North Lima compared to others zones. ANOVA: Hb: North vs the rest. Age: North vs the others. Wilcoxon test: North vs the others. Chi-square test: stunting North vs Central. Anemia North vs Central, South, and West.

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