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Table 4 HAP measurements at baseline in rural Andean Peru

From: A factorial cluster-randomised controlled trial combining home-environmental and early child development interventions to improve child health and development: rationale, trial design and baseline findings

 NMean (95% IC)Median (95% IC)Geometric mean (95% IC)
Kitchen33   
 PM2.5 (μg/m3) 213 (154.9–271.2)46.5 (23.5–64.6)48.1 (37.5–61.7)
 CO (ppm) 4.8 (3.5–6.2)1.1 (0.7–1.7)1.3 (1.0–1.7)
Personal33   
 CO (ppm) 1.4 (0.8–2.0)0 (0–0)2.4 (1.9–3.1)