Research Article
Lead Environmental Pollution and Childhood Lead Poisoning at Ban Thi Commune, Bac Kan Province, Vietnam
Table 4
Children blood lead level among studied children (µg/dL).
| Characteristic | n | Mean ± SD | Geo. Mean | (95% CI) | No. (%) >10 µg/dL |
| Age (years) | 3-5 | 45 | 16.90 ± 6.74 | 15.69 | 14.88-18.93 | 39 (86.67) | 6-10 | 113 | 15.31 ± 6.52 | 14.07 | 14.10-16.53 | 88 (79.28) | 11-14 | 37 | 13.92 ± 5.58 | 12.95 | 12.06-15.78 | 28 (75.68) |
| p value | | 0.109 | | | 0.28 |
| Sex | Boy | 109 | 16.53 ± 5.95 | 15.49 | 15.39-17.66 | 94 (86.24) | Girl | 86 | 14.01 ± 6.80 | 12.73 | 12.55-15.47 | 61 (70.93) |
| p value | | 0.006 | | | 0.009 |
| Parent involvement in lead mining | No | 109 | 16.51 ± 7.18 | 14.99 | 15.15-17.87 | 90 (82.57%) | Yes | 86 | 14.03 ± 6.92 | 13.26 | 12.94-15.12 | 65 (75.58%) | p value | | 0.007 | | | 0.23 |
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