Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 1 Blood lead levels of children and the social-demographic characteristics

From: Environmental injustice and childhood lead exposure in peri-urban (ger) areas of Darkhan and Erdenet, Mongolia

Characteristics N Mean
(SD, 95% CI)
Median
(min. max)
P-value % children with BLL ≥5 μg/dL
Total   338 3.85
(2.58, 3.6 4.16)
3.6
(<LOD,17.2)a
  27.8 (94)
Gender Boys 165 4.47
(2.99, 4.02 4.94)
4.1
(<LOD, 17.2)
0.001 35.7 (60)
Girls 173 3.25
(1.94, 2.98 3.63)
3.3
(<LOD, 13.8)
20.0 (34)
Age(years) 4 93 3.73
(2.61, 3.22 4.29)
3.3
(<LOD, 17.2)
0.725 25.8 (24)
5 84 3.96
(2.39, 3.49 4.68)
3.8
(<LOD, 16.4)
28.6 (24)
6 72 4.03
(2.92, 3.34 4.71)
3.5
(<LOD,14.5)
27.8 (20)
7 89 3.71
(2.43, 3.19 4.22)
3.3
(<LOD,13.8)
29.2 (26)
City Darkhan 167 3.41
(2.15, 3.12 3.84)
3.3
(<LOD, 13.8)
0.032 22.2 (37)
Erdenet 171 4.27
(2.88, 3.84 4.71)
3.8
(<LOD,17.2)
33.3 (57)
House type Apartment 121 3.23 (2.36) 1.65
(<LOD,17.2)
0.0008 19.5 (23)
Ger (tent) 217 4.18 (2.76) 3.9
(<LOD,16.4)
32.3 (71)
Parental education level Primary 11 6.14
(2.44, 4.5 7.78)
5.7
(<LOD, 11.8)
< 0.0001 18.2 (2)
Middle school 59 4.92
(3.72, 3.95 5.89)
4.0
(<LOD, 16.4)
36.2 (21)
High school 106 3.97
(2.46, 3.50 4.45)
3.7
(<LOD, 13.8)
27.4 (29)
College 30 3.5
(1.77, 2.83 4.16)
3.4
(<LOD, 7.0)
30.0 (9)
Bachelor degree 129 3.24
(2.18, 2.86 3.62)
1.65
(<LOD,17.2)
20.0 (26)
Parents have a paying job Yes 159 3.38
(2.12, 3.05 3.72)
3.3
(<LOD, 17.2)
0.0004 22.6 (36)
No 174 4.40
(2.66, 3.95 4.85)
4.0 (16.4) 33.3 (58)
  1. a: LOD is limit of detection