| |
N
|
GM
|
±
|
GSD
|
pvalue*
|
|---|
|
TOTAL
|
216
|
60.58
|
±
|
2.65
| |
|
Sex
| | | | |
0.2209
|
|
Males
|
110
|
55.93
|
±
|
2.68
| |
|
Females
|
106
|
65.82
|
±
|
2.62
| |
|
Age group (years)
| | | | |
<0.001
|
|
25-34
|
42
|
38.75
|
±
|
3.04
| |
|
35-44
|
57
|
41.94
|
±
|
2.48
| |
|
45-54
|
49
|
68.69
|
±
|
2.31
| |
|
55-64
|
68
|
99.25
|
±
|
2.18
| |
|
Level of education
| | | | |
<0.001
|
|
Primary school
|
108
|
89.86
|
±
|
2.56
| |
|
High school
|
91
|
41.33
|
±
|
2.38
| |
|
University degree
|
17
|
38.31
|
±
|
2.05
| |
|
Smoking
| | | | |
0.2003
|
|
Never
|
124
|
65.19
|
±
|
2.78
| |
|
Yes
|
92
|
54.88
|
±
|
2.47
| |
|
Area of residence
| | | | |
<0.001
|
|
Area 1 (reference)
|
25
|
34.47
|
±
|
1.91
| |
|
Area 2 (Colleferro urban/rural)
|
46
|
36.05
|
±
|
2.17
| |
|
Area 3 (industrial)
|
39
|
43.82
|
±
|
2.20
| |
|
Area 4 (river)
|
106
|
97.65
|
±
|
2.59
| |
|
Distance from the river
| | | | |
<0.001
|
|
> 5 km
|
28
|
40.36
|
±
|
1.80
| |
|
> 2–5 km
|
30
|
37.92
|
±
|
2.65
| |
|
1-2 km
|
66
|
61.01
|
±
|
2.32
| |
|
500 m-1 km
|
55
|
80.73
|
±
|
2.82
| |
|
< 500 m
|
37
|
77.61
|
±
|
3.07
| |
|
Use of private well water for drinking
| | | | |
<0.001
|
|
No
|
189
|
55.10
|
±
|
2.54
| |
|
Yes
|
27
|
117.7
|
±
|
2.81
| |
|
Use of private well water for cooking
| | | | |
<0.001
|
|
No
|
146
|
46.39
|
±
|
2.48
| |
|
Yes
|
70
|
105.7
|
±
|
2.39
| |
|
Use of private well water for personal cleaning
| | | |
<0.001
|
|
No
|
138
|
44.69
|
±
|
2.35
| |
|
Yes
|
78
|
103.8
|
±
|
2.58
| |
|
Use of someone else’s well water
| | | | |
0.0666
|
|
No
|
212
|
59.58
|
±
|
2.61
| |
|
Yes
|
4
|
146.9
|
±
|
4.45
| |
|
Any use of well water
| | | | |
<0.001
|
|
No
|
129
|
42.87
|
±
|
2.32
| |
|
Yes
|
87
|
101.1
|
±
|
2.55
| |
|
Provenience of food
| | | | |
0.0006
|
|
Commercial
|
56
|
41.43
|
±
|
2.05
| |
|
Local
|
99
|
62.38
|
±
|
2.74
| |
|
Own production
|
61
|
81.87
|
±
|
2.79
| |
- GM: Geometric Mean; GSD: Geometric Standard Deviation.
- * p-value from F-test performed on the log distribution of ß-HC.
