Volume 20, Number 11—November 2014
Dispatch
Raw Pig Blood Consumption and Potential Risk for Streptococcus suis Infection, Vietnam
Vu Thi Lan Huong
, Ngo Thi Hoa, Peter W. Horby, Juliet E. Bryant, Nguyen Van Kinh, Tran Khanh Toan, and Heiman F.L. Wertheim
, Ngo Thi Hoa, Peter W. Horby, Juliet E. Bryant, Nguyen Van Kinh, Tran Khanh Toan, and Heiman F.L. Wertheim
Table 1
Factors associated with consumption of raw pig blood among respondents in 2 districts of Hanoi, Vietnam*
| Factor | Ba Vi District (rural) |
Dong Da District (urban) |
||||
|---|---|---|---|---|---|---|
| Consumption, no. (%) | No consumption, no. (%) | OR (95% CI) | Consumption, no. (%) | No consumption, no.(%) | OR (95% CI) | |
| Sex | ||||||
| M | 900 (52.6) | 810 (47.4) | 3.0 (2.7–3.4) | 250 (18.5) | 1,103 (81.5) | 6.4 (4.9–8.2) |
| F | 1,527 (29.2) | 3,706 (70.3) | 1 | 88 (3.4) | 2,480 (96.6) | 1 |
| Age, y | ||||||
| <20 | 17 (13.8) | 106 (86.2) | 0.4 (0.2–0.7) | 2 (4.1) | 47 (95.9) | 0.8 (0.2–3.7) |
| 20–29 | 209 (28.8) | 516 (71.2) | 1.5 (1.2–1.8) | 37 (8.3) | 411 (91.7) | 1.7 (1.1–2.7) |
| 30–39 | 535 (38.3) | 863 (61.7) | 2.3 (2.0–2.8) | 68 (8.7) | 713 (91.3) | 2.2 (1.5–3.4) |
| 40–49 | 759 (42.3) | 1,037 (57.7) | 2.6 (2.2–3.0) | 85 (11.3) | 668 (88.7) | 2.8 (1.9–4.1) |
| 50–59 | 593 (36.2) | 1,046 (63.8) | 1.9 (1.6–2.2) | 104 (11.2) | 823 (88.8) | 2.6 (1.8–3.8) |
| ≥60 | 314 (24.9) | 948 (75.1) | 1 | 42 (4.4) | 921 (95.6) | 1 |
| Education, y | ||||||
| ≤5 | 303 (27.3) | 807 (72.7) | 1.5 (1.0–2.1) | 10 (6.8) | 138 (93.2) | 2.2 (1.0–4.5) |
| 6–9 | 1,637 (38.0) | 2,673 (62.0) | 1.7 (1.2–2.5) | 97 (11.4) | 755 (88.6) | 2.0 (1.5–2.8) |
| 10–12 | 441 (32.6) | 910 (67.4) | 1.3 (0.9–1.9) | 124 (7.9) | 1,450 (92.1) | 1.1 (0.9–1.5) |
| >12 | 44 (26.7) | 121 (73.3) | 1 | 103 (7.8) | 1,218 (92.2) | 1 |
| Occupation | ||||||
| Office worker | 41 (24.4) | 127 (75.6) | 1 | 88 (7.6) | 1,067 (92.4) | 1 |
| Manual laborer† | 277 (41.6) | 389 (58.4) | 1.5 (1.0–2.3) | 55 (16.2) | 284 (83.8) | 1.9 (1.3–2.8) |
| Services and sales | 195 (34.8) | 366 (65.2) | 1.6 (1.0–2.3) | 113 (12.2) | 810 (87.8) | 1.9 (1.4–2.5) |
| Farmer | 1,649 (36.9) | 2,825 (63.1) | 2.0 (1.4–2.9) | 0 | 2 (100) | - |
| Other | 98 (37.7) | 162 (62.3) | 1.4 (0.9–2.3) | 12 (21.4) | 44 (78.6) | 2.1 (1.1–4.3) |
| Not working‡ | 156 (19.8) | 630 (80.2) | 1.1 (0.7–1.6) | 69 (4.8) | 1,355 (95.2) | 1.2 (0.8–1.9) |
| HES quintiles | ||||||
| Lowest | 346 (30.4) | 794 (69.6) | 0.9 (0.7–1.0) | 71 (11.0) | 574 (89.0) | 2.1 (1.4–3.0) |
| Second | 472 (32.0) | 1,002 (68.0) | 0.9 (0.7–1.0) | 100 (12.5) | 697 (87.5) | 2.2 (1.5–3.1) |
| Third | 617 (37.9) | 1,011 (62.1) | 1.1 (0.9–1.3) | 58 (6.9) | 779 (93.1) | 1.1 (0.8–1.7) |
| Fourth | 561 (36.9) | 960 (63.1) | 1.0 (0.9–1.2) | 54 (6.5) | 773 (93.5) | 1.1 (0.7–1.6) |
| Highest | 416 (36.2) | 732 (63.8) | 1 | 55 (6.8) | 751 (93.2) | 1 |
| Marital status | ||||||
| Married | 2,186 (38.1) | 3,559 (61.9) | 1.6 (1.4–1.9) | 260 (8.9) | 2,663 (91.1) | 0.8 (0.6–1.1) |
| Single | 241 (20.1) | 957 (79.9) | 1 | 78 (7.8) | 920 (92.2) | 1 |
*Values in bold are significant (p<0.05). OR, odds ratio; HES, household economic status. OR was adjusted for sex and age.
†Includes construction, factory work, casual manual work on call, handicraft work, and mining.
‡Includes children, housewives, elderly persons, and retired persons.
Page created: October 17, 2014
Page updated: October 17, 2014
Page reviewed: October 17, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.