Volume 15, Number 11—November 2009
Dispatch
Hepatitis C Seroprevalence and Associated Risk Factors, Anyang, China
Table 2
Conditional logistic analysis of risk factors associated with hepatitis C virus infection, Anyang, China, 2006–2008*
| Risk factor† | Response | Total no. | HCV negative, no. (%) | HCV positive, no. (%) | OR (95% CI) | Adjusted OR (95% CI) |
|---|---|---|---|---|---|---|
| Alcohol consumption |
No | 258 | 195 (94.2) | 63 (91.3) | 1 | |
| Yes |
18 |
12 (5.8) |
6 (8.7) |
1.71 (0.54–5.39) |
||
| Blood donation |
No | 261 | 199 (96.1) | 62 (89.9) | 1 | |
| Yes |
15 |
8 (3.9) |
7 (10.1) |
3 (0.99–9.09) |
||
| Blood transfusion |
No | 248 | 197 (95.2) | 51 (73.9) | 1 | 1 |
| Yes |
28 |
10 (4.8) |
18 (26.1) |
6.32‡ (2.73–14.6) |
4.55§ (1.34–15.42) |
|
| Blood products transfusion |
No | 249 | 191 (92.3) | 58 (84.1) | 1 | 1 |
| Yes |
27 |
16 (7.7) |
11 (15.9) |
2.49§ (1.03–6.05) |
0.99 (0.28–3.5) |
|
| Intramuscular injection |
No | 39 | 32 (15.5) | 7 (10.1) | 1 | |
| Yes |
237 |
175 (84.5) |
62 (89.9) |
1.77 (0.69–4.59) |
||
| Intravenous injection |
No | 153 | 136 (65.7) | 17 (24.6) | 1 | 1 |
| Yes |
123 |
71 (34.3) |
52 (75.4) |
6.75‡ (3.41–13.36) |
5.83‡ (2.66–12.8) |
|
| Visited a dentist |
No | 136 | 103 (49.8) | 33 (47.8) | 1 | |
| Yes |
140 |
104 (50.2) |
36 (52.2) |
1.09 (0.62–1.9) |
||
| Had surgery |
No | 210 | 171 (82.6) | 39 (56.5) | 1 | 1 |
| Yes |
66 |
36 (17.4) |
30 (43.5) |
3.78‡ (2.01–7.1) |
2.29 (0.92–5.71) |
|
| Shared nail clippers |
No | 66 | 51 (24.6) | 15 (21.7) | 1 | |
| Yes |
210 |
156 (75.4) |
54 (78.3) |
1.17 (0.62–2.23) |
||
| No. sexual partners |
1 | 262 | 194 (93.7) | 68 (98.6) | 1 | |
| >1 |
14 |
13 (6.3) |
1 (1.4) |
0.21 (0.03–1.66) |
||
| Pierced ears |
No | 173 | 129 (62.3) | 44 (63.8) | 1 | |
| Yes |
103 |
78 (37.7) |
25 (36.2) |
0.88 (0.4–1.96) |
||
| Acupuncture |
No | 215 | 168 (81.2) | 47 (68.1) | 1 | |
| Yes |
61 |
39 (18.8) |
22 (31.9) |
2.15§ (1.11–4.13) |
1.61 (0.69–3.76) |
|
| Gastroscopy |
No | 246 | 190 (91.8) | 56 (81.2) | 1 | |
| Yes |
30 |
17 (8.2) |
13 (18.8) |
2.92§ (1.27–6.72) |
2.06 (0.63–6.7) |
|
| Esophageal balloon examination | No | 240 | 190 (91.8) | 50 (72.5) | 1 | |
| Yes | 36 | 17 (8.2) | 19 (27.5) | 5.95‡ (2.44–14.5) | 3.78§ (1.32–10.79) |
*HCV, hepatitis C virus; OR, odds ratio; CI, confidence interval.
†Blood transfusion, blood products transfusion, intravenous injection, operation, acupuncture, gastroscopy, and esophageal balloon examination were included in the multivariate model.
‡p<0.01.
§p<0.05.


