Characteristic
|
H. pylori
|
T. gondii
|
Hepatitis B virus
|
---|
N
|
Positive (%)a
|
P
b
|
N
|
Positive (%)a
|
P
b
|
N
|
Positive (%)a
|
P
b
|
---|
Total
|
5994
|
23.1
| |
18,425
|
11.0
| |
17,389
|
4.9
| |
NHANES cycle years
|
1999–2000
|
5994
|
23.1
|
–
|
4084
|
13.5
|
0.0001
|
2926
|
5.0
|
0.8283
|
2001–2002
|
–
|
–
| |
4669
|
8.0
| |
2955
|
4.5
| |
2003–2004
|
–
|
–
| |
4089
|
9.3
| |
2420
|
5.7
| |
2005–2006
|
–
|
–
| |
–
|
–
| |
2157
|
5.3
| |
2007–2008
|
–
|
–
| |
–
|
–
| |
2507
|
4.3
| |
2009–2010
|
–
|
–
| |
5583
|
12.8
| |
2466
|
5.0
| |
2011–2012
|
–
|
–
| |
–
| | |
1958
|
4.9
| |
Age (years)
|
≤ 13
|
1721
|
7.2
|
<0.0001
|
5127
|
3.5
|
<0.0001
|
613
|
0.4
|
<0.0001
|
14–40
|
2307
|
20.2
| |
9252
|
10.5
| |
4788
|
2.9
| |
≥ 41
|
1966
|
33.4
| |
4046
|
16.2
| |
11,988
|
5.9
| |
Gender
|
Male
|
2785
|
22.7
|
0.5279
|
8529
|
11.5
|
0.1633
|
8171
|
5.5
|
0.0185
|
Female
|
3209
|
23.5
| |
9896
|
10.5
| |
9218
|
4.5
| |
Race
|
Non-Hispanic White
|
1912
|
14.6
|
<0.0001
|
6320
|
9.0
|
<0.0001
|
8365
|
2.6
|
<0.0001
|
Non-Hispanic Black
|
1300
|
37.2
| |
4313
|
11.7
| |
3124
|
13.4
| |
Mexican American
|
2586
|
45.2
| |
6967
|
17.2
| |
5083
|
4.3
| |
Other
|
196
|
31.2
| |
825
|
12.4
| |
817
|
27.4
| |
Family income
|
≥ $20,000
|
2991
|
18.3
|
<0.0001
|
10,997
|
9.6
|
<0.0001
|
10,661
|
4.0
|
<0.0001
|
< $20,000
|
2650
|
31.5
| |
6725
|
14.3
| |
6027
|
7.4
| |
Country of birth origin
|
United States
|
4675
|
17.6
|
<0.0001c
|
14,417
|
7.7
|
<0.0001
|
12,919
|
3.2
|
<0.0001
|
Other
|
1314
|
53.4
| |
4002
|
27.3
| |
4459
|
14.0
| |
General health condition
|
Excellent/very good
|
3190
|
17.2
|
<0.0001
|
10,634
|
8.2
|
<0.0001
|
7622
|
3.8
|
<0.0001
|
Good
|
1855
|
28.0
| |
5452
|
13.7
| |
5829
|
5.6
| |
Fair/poor
|
943
|
42.0
| |
2330
|
20.9
| |
3925
|
7.5
| |
Source of tap water
|
Municipal
|
5306
|
22.9
|
0.9746
|
16,294
|
10.9
|
0.9501
|
13,218
|
5.4
|
<0.0001
|
Public/private well
|
589
|
23.0
| |
1768
|
11.0
| |
1962
|
2.6
| |
Crowded housingd
|
≤ 1 person/room
|
4109
|
20.9
|
<0.0001
|
12,739
|
10.1
|
<0.0001
|
12,872
|
4.8
|
0.0091
|
> 1 person/room
|
1806
|
34.2
| |
5490
|
15.7
| |
2401
|
6.5
| |
Injected drug user
|
No/unknown
|
–
|
–
|
–
|
18,377
|
8.4
|
0.5850
|
17,294
|
4.8
|
<0.0001
|
Yes
|
–
|
–
| |
48
|
11.0
| |
95
|
18.5
| |
-
aWeighted percentages
-
bRao-Scott chi-square test used
-
cUnweighted Wald chi-square used
-
dCalculated as total number of individuals living in a household divided by number of rooms in the home (excluding bathroom and kitchen)