Table 2 Analysis of IgG antibody levels of varicella in children aged 1–9 years in Jiangsu Province in 2016
Characteristics | Sample size | N | Seroprevalence(%, 95 CI) | GMC(mU/ml, 95% CI) | |
|---|---|---|---|---|---|
Age(year) | 1–4 | 1543 | 807 | 52.3(49.7–54.8) | 275.2(235.4–297.6) |
5–9 | 2088 | 773 | 37.0(34.9–39.1) | 183.7(153.2–207.9) | |
χ2/t value | 84.31 | 3.65 | |||
P value | < 0.001 | < 0.001 | |||
Gender | Boy | 1898 | 761 | 40.1(37.9–42.3) | 212.6(175.2–236.5) |
Girl | 1733 | 819 | 47.3(44.9–49.6) | 260.4(240.3–295.2) | |
χ2/t value | 18.92 | 2.52 | |||
P value | < 0.001 | < 0.001 | |||
Area | South | 1249 | 438 | 35.1(32.4–37.8) | 216.2(198.7–232.4) |
North | 1204 | 646 | 53.7(50.8–56.5) | 191.8(178.5–221.2) | |
central | 1178 | 496 | 42.1(39.3–44.9) | 298.1(273.1–321.6) | |
χ2/F value | 35.64 | 24.21 | |||
P value | < 0.001 | < 0.001 | |||
Immune history | 1 dose | 1563 | 892 | 57.1(54.6–59.5) | 294.9(265.2–330.4) |
0 dose | 2068 | 688 | 33.3(30.9–35.1) | 120.2(97.5–153.6) | |
χ2/t value | 205.16 | 5.36 | |||
P value | < 0.001 | < 0.001 | |||
Total | 3631 | 1580 | 43.5(41.9–45.1) | 225.4(185.4–247.6) | |