Research Article

Lead Environmental Pollution and Childhood Lead Poisoning at Ban Thi Commune, Bac Kan Province, Vietnam

Table 5

Relationship between physical growth and blood lead level among children.

Age (years)BLL≤10 g/dLBLL>10 g/dLp
NMean ± SD95% CInMean ± SD95% CI

Body Height (cm)
3-56104.83 ± 7.8896.56-113.1139101.32 ± 7.7198.82-103.820.47
6-1024124.44 ± 10.46120.02-128.8586122.97 ± 10.39120.74-125.190.529
11-149146.78 ± 12.04137.52-156.0328143.96 ± 9.38139.79-146.580.45
Weight (kg)
3-5616.75 ± 3.2413.35 ± 20.153914.93 ± 2.0514.27 ± 15.600.58
6-102424.39 ± 7.3721.28 ± 27.508623.20 ± 6.2321.87 ± 24.540.429
11-14937.94 ± 11.1529.38 ± 46.512735.57 ± 11.0431.20 ± 39.930.38