Research Article
Lead Environmental Pollution and Childhood Lead Poisoning at Ban Thi Commune, Bac Kan Province, Vietnam
Table 1
Characteristics of the sampled inhabitants according to age and sex.
| Locations | Mean age (SD) | Number of participants | Total | Boy | Girl |
| Ban Nhuong | 7.90 ± 3.23 | 25 | 17 | 42 | Hop Tien | 7.35 ± 2.90 | 53 | 38 | 91 | Keo Nang | 8.95 ± 1.61 | 10 | 9 | 19 | Phia Khao | 7.81 ± 3.15 | 16 | 11 | 27 | Others (TT, KN, BN, etc.) | 7.31 ± 2.60 | 5 | 11 | 16 | Total | 7.69 ± 2.90 | 109 | 86 | 195 |
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