Table 3.
Antibodies positive rate of serum samples against reference influenza virus strains, Guangdong, 2013.
| Groups | Postive no. (%, 95%
CI) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Pdm09/H1N1 | CS/H1N1 | EA/H1N1 | CAN/H3N2 | AV/H5N1 | AV/ H7N9 | AV/ H9N2 | ||
| Age | ≤39 (406)a | 226 (55.7%, 50.7–60.6%) | 44 (10.8%, 8.0–14.3%) | 12 (3.0%, 1.5–5.1%) | 5 (1.2%, 0.4–2.9%) | 4 (1.0%, 0.3–2.5%) | 9 (2.2%, 1.0–4.2%) | 19 (4.7%, 2.8–7.2%) |
| >39 (404) | 198 (49.0%, 44.0–54.0%) | 69 (17.1%, 13.5–21.1%) | 34 (8.4%, 5.9–11.6%) | 10 (2.5%, 1.2–4.5%) | 7 (1.7%, 0.7–3.5%) | 23 (5.7%, 3.6–8.4%) | 36 (8.9%, 6.3–12.1%) | |
| Gender | Female (308)a | 171 (55.4%, 49.7–61.0%) | 27 (8.9%, 6.0–12.7%) | 9 (2.8%, 1.3–5.3%) | 8 (2.6%, 1.1–5.1%) | 4 (1.3%, 0.4–3.3%) | 12 (3.9%, 2.0–6.7%) | 25 (8.2%, 5.4–11.8%) |
| Male (502) | 253 (50.4%, 45.9–54.9%) | 86 (17.1%, 13.9–20.7%) | 37 (7.4%, 5.3–10.0%) | 7 (1.4%, 0.6–2.9%) | 7 (1.4%, 0.6–2.8%) | 20 (3.98%, 2.4–6.1%) | 30 (5.9%, 4.0–8.3%) | |
| Occupation | Swine farm (171) | 93 (54.4%, 46.6–62%) | 57 (33.3%, 26.3–40.9%) | 26 (15.2%, 10.2–21.5%) | 2 (1.17%, 0.2–4.5%) | 1 (0.6%, 0.0–3.2%) | 2 (1.2%, 0.1–4.2%) | 6 (3.5%, 1.3–7.5%) |
| Poultry farm (150) | 78 (52.0%, 43.7–60.2%) | 13 (8.5%, 4.6–14.2%) | 4 (2.7%, 0.7–6.7%) | 3 (2%, 0.3–5.4%) | 3 (2%, 0.4–5.7%) | 7 (4.7%, 1.9–9.4%) | 17 (11.3%, 6.7–17.5%) | |
| LPM workers (105) | 51 (48.6%, 38.7–58.6%) | 21 (19.8%, 12.7–28.7%) | 8 (7.6%, 3.3–14.4%) | 3 (2.9%, 0.5–7.7%) | 5 (4.8%, 1.6–10.8%) | 18 (17.1%, 10.5–25.7%) | 24 (22.9%, 15.2–32.1%) | |
| Veterinarian (120) | 68 (56.7%, 47.3–65.7%) | 10 (8.3%, 4.0–14.8%) | 4 (3.3%, 0.9–8.3%) | 4 (3.3%, 0.9–8,3%) | 2 (1.7%, 0.2–5.9%) | 2 (1.7%, 0.2–5.9%) | 3 (2.5%, 0.5–7.1%) | |
| Non-animal (264)a | 134 (50.8%, 44.6–57.0%) | 12 (4.6%, 2.4–7.9%) | 4 (1.5%, 0.4–3.8%) | 3 (1.1%, 0.3–3.4%) | 0 (0%, 0.0–1.4%) | 3 (1.1%, 0.2–3.3%) | 5 (1.9%, 0.6–4.4%) | |
Boldfaced values differ from control group values in a statistically significant manner (P < 0.01). Pdm09/H1N1, CS/H1N1, EA/H1N1, CAN/H3N2, AV/H9N2AV/H5N1 and AV/H7N9 stands for A/Guangdong/1057/2010(H1N1), A/swine/Guangdong/SS1/2012(H1N1), A/swine/Guangdong/L6/2009(H1N1), A/canine/Guangdong/2/2011(H3N2), A/chicken/Shanghai/10/2001(H9N2), A/duck/Anhui/1/2006(H5N1) and A/pigeon/Shanghai/S1421/2013(H7N9) respectively.
a
Control group.