a. Healthcare-associated exposures
|
1. Received therapeutic injection*
|
HAV
|
1939
|
7800
|
24.9%
|
Ref
|
Ref
|
Ref
|
HBV
|
72
|
203
|
35.5%
|
1.7
|
1.2–2.3
|
< 0.001
|
HCV
|
90
|
233
|
38.6%
|
1.9
|
1.5–2.5
|
< 0.001
|
Unspecified acute hepatitis
|
309
|
945
|
32.7%
|
1.5
|
1.3–1.7
|
< 0.001
|
Total
|
2410
|
9181
|
30.9%
|
NA
|
NA
|
NA
|
2. Wound suture
|
HAV
|
105
|
7806
|
1.3%
|
Ref
|
Ref
|
Ref
|
HBV
|
7
|
238
|
2.9%
|
2.2
|
1.0–4.8
|
0.05
|
HCV
|
11
|
252
|
4.4%
|
3.3
|
1.8–6.3
|
< 0.001
|
Unspecified acute hepatitis
|
22
|
959
|
2.3%
|
1.7
|
1.1–2.7
|
0.02
|
Total
|
145
|
9255
|
1.6%
|
NA
|
NA
|
NA
|
3. Blood transfusion
|
HAV
|
7
|
7806
|
0.1%
|
Ref
|
Ref
|
Ref
|
HBV
|
2
|
238
|
0.8%
|
9.4
|
2.0–45.7
|
0.03
|
HCV
|
5
|
252
|
2.0%
|
22.6
|
7.1–71.6
|
< 0.001
|
Unspecified acute hepatitis
|
12
|
959
|
1.3%
|
14.1
|
5.5–35.9
|
< 0.001
|
Total
|
26
|
9255
|
0.3%
|
NA
|
NA
|
NA
|
4. Insertion of urinary catheter
|
HAV
|
14
|
7806
|
0.2%
|
Ref
|
Ref
|
Ref
|
HBV
|
7
|
238
|
2.9%
|
16.9
|
6.7–42.2
|
< 0.001
|
HCV
|
3
|
252
|
1.2%
|
6.7
|
1.9–23.5
|
0.01
|
Unspecified acute hepatitis
|
28
|
959
|
2.9%
|
16.7
|
8.8–32.8
|
< 0.001
|
Total
|
52
|
9255
|
0.6%
|
NA
|
NA
|
NA
|
5. Insertion of IV line
|
HAV
|
172
|
7806
|
2.2%
|
Ref
|
Ref
|
Ref
|
HBV
|
21
|
238
|
8.8%
|
4.3
|
2.7–6.9
|
< 0.001
|
HCV
|
26
|
252
|
10.3%
|
5.1
|
3.3–7.9
|
< 0.001
|
Unspecified acute hepatitis
|
84
|
959
|
8.8%
|
4.3
|
3.2–5.6
|
< 0.001
|
Total
|
303
|
9255
|
3.3%
|
NA
|
NA
|
NA
|
6. Surgery
|
HAV
|
110
|
7806
|
1.4%
|
Ref
|
Ref
|
Ref
|
HBV
|
10
|
238
|
4.2%
|
3.1
|
1.6–5.9
|
< 0.01
|
HCV
|
13
|
252
|
5.2%
|
3.8
|
2.0–6.7
|
< 0.001
|
Unspecified acute hepatitis
|
47
|
959
|
4.9%
|
3.6
|
2.5–5.1
|
< 0.001
|
Total
|
180
|
9255
|
1.9%
|
NA
|
NA
|
NA
|
7. Dental procedures
|
HAV
|
492
|
7806
|
6.3%
|
Ref
|
Ref
|
Ref
|
HBV
|
17
|
238
|
7.1%
|
1.1
|
0.7–1.9
|
0.3
|
HCV
|
23
|
252
|
9.1%
|
1.5
|
0.9–2.3
|
0.05
|
Unspecified acute hepatitis
|
74
|
959
|
7.7%
|
1.2
|
0.9–1.6
|
0.05
|
Total
|
606
|
9255
|
6.5%
|
NA
|
NA
|
NA
|
b. Lifestyle exposures
|
1. Exposure to blood outside health facilities
|
HAV
|
33
|
7806
|
0.4%
|
Ref
|
Ref
|
Ref
|
HBV
|
11
|
238
|
4.6%
|
11.4
|
5.7–22.9
|
< 0.001
|
HCV
|
6
|
252
|
2.4%
|
5.7
|
2.4–13.8
|
< 0.01
|
Unspecified acute hepatitis
|
12
|
959
|
1.3%
|
3
|
1.5–6.0
|
< 0.01
|
Total
|
62
|
9255
|
0.7%
|
NA
|
NA
|
NA
|
2. Being imprisoned in last 6 months
|
HAV
|
12
|
7806
|
0.2%
|
Ref
|
Ref
|
Ref
|
HBV
|
5
|
238
|
2.1%
|
13.9
|
4.9–39.9
|
< 0.001
|
HCV
|
4
|
252
|
1.6%
|
10.5
|
3.4–32.7
|
< 0.001
|
Unspecified acute hepatitis
|
3
|
959
|
0.3%
|
2.0
|
0.6–7.2
|
0.2
|
Total
|
24
|
9255
|
0.3%
|
NA
|
NA
|
NA
|
3. IV drug use
|
HAV
|
6
|
7806
|
0.1%
|
Ref
|
Ref
|
Ref
|
HBV
|
35
|
238
|
14.7%
|
224.1
|
39.2–538.8
|
< 0.001
|
HCV
|
19
|
252
|
7.5%
|
106
|
41.9–267.8
|
< 0.001
|
Unspecified acute hepatitis
|
14
|
959
|
1.5%
|
19.3
|
7.4–50.2
|
< 0.001
|
Total
|
74
|
9255
|
0.8%
|
NA
|
NA
|
NA
|
4. Share tooth brushes
|
HAV
|
118
|
7806
|
1.5%
|
Ref
|
Ref
|
Ref
|
HBV
|
3
|
238
|
1.3%
|
0.8
|
0.3–2.6
|
0.5
|
HCV
|
3
|
252
|
1.2%
|
0.8
|
0.2–2.5
|
0.5
|
Unspecified acute hepatitis
|
6
|
959
|
0.6%
|
0.4
|
0.2–0.9
|
0.01
|
Total
|
130
|
9255
|
1.4%
|
NA
|
NA
|
NA
|
5. Share razors (for males)
|
HAV
|
39
|
4541
|
0.9%
|
Ref
|
Ref
|
Ref
|
HBV
|
9
|
183
|
4.9%
|
6
|
2.8–12.5
|
< 0.001
|
HCV
|
3
|
191
|
1.6%
|
1.8
|
0.6–6.0
|
0.2
|
Unspecified acute hepatitis
|
14
|
514
|
2.7%
|
3.2
|
1.7–6.0
|
< 0.001
|
Total
|
65
|
5429
|
1.2%
|
NA
|
NA
|
NA
|
6. At military service (for males)
|
HAV
|
17
|
4541
|
0.4%
|
Ref
|
Ref
|
Ref
|
HBV
|
5
|
183
|
2.7%
|
7.5
|
2.7–20.5
|
0.001
|
HCV
|
0
|
191
|
0.0%
|
NA
|
NA
|
NA
|
Unspecified acute hepatitis
|
2
|
514
|
0.4%
|
1
|
0.2–4.5
|
0.4
|
Total
|
24
|
5429
|
0.4%
|
NA
|
NA
|
NA
|
7. Labor or abortion (for females)
|
HAV
|
12
|
3265
|
0.4%
|
Ref
|
Ref
|
Ref
|
HBV
|
5
|
55
|
9.1%
|
27.1
|
9.2–79.8
|
< 0.001
|
HCV
|
2
|
61
|
3.3%
|
9.2
|
2.0–42.0
|
0.01
|
Unspecified acute hepatitis
|
36
|
445
|
8.1%
|
23.8
|
12.3–46.2
|
< 0.001
|
Total
|
55
|
3826
|
1.4%
|
NA
|
NA
|
NA
|
c. Fecal-oral exposures
|
1. Attending nursery
|
HAV
|
1368
|
7806
|
17.5%
| | | |
Non-HAVα
|
38
|
1449
|
2.6%
|
7.9
|
5.8–10.9
|
< 0.001
|
Total
|
1406
|
9255
|
15.2%
| | | |
2. Contact with person attending nursery
|
HAV
|
1780
|
7806
|
22.8%
| | | |
Non-HAVα
|
209
|
1449
|
14.4%
|
1.8
|
1.5–2.0
|
< 0.001
|
Total
|
1989
|
9255
|
21.5%
| | | |
3. Contact with a case of HAV
|
HAV
|
617
|
7806
|
7.9%
| | | |
Non-HAVα
|
25
|
1449
|
1.7%
|
4.9
|
3.3–7.3
|
< 0.001
|
Total
|
642
|
9255
|
6.9%
| | | |
4. Eat meals outside home
|
HAV
|
6514
|
7806
|
83.4%
| | | |
Non-HAVα
|
1055
|
1449
|
72.8%
|
1.9
|
1.7–2.1
|
< 0.001
|
Total
|
7569
|
9255
|
81.8%
| | | |
5. Animal exposure
|
HAV
|
850
|
7806
|
10.9%
| | | |
Non-HAVα
|
128
|
1449
|
8.8%
|
1.3
|
1.0–1.5
|
0.02
|
Total
|
978
|
9255
|
10.6%
| | | |