Table 3. Measles seroprevalence in general population in Donguan, by age group and sex (%).
| Age groups (years) | Males seropositive | Females seropositive | Total seropositive | Proportion of equivocal | ||||
|---|---|---|---|---|---|---|---|---|
| n/N# | 95% CI | n/N# | 95% CI | n/N# | 95%CI | n/N* | 95% CI | |
| <1 | 13/15 (86.7) | 59.0, 98.0 | 10/12 (83.3) | 52.0, 98.0 | 23/27 (85.2) | 66.0, 96.0 | 2/27 (7.4) | 1.0, 24.0 |
| 1–4 | 80/81 (98.8) | 96.4, 100.0 | 66/67 (98.5) | 95.6, 100.0 | 146/148 (98.6) | 96.0,100.0 | 1/148 (0.7) | 0.0, 2.0 |
| 5–9 | 89/93 (95.7) | 91.6, 99.8 | 63/63 (100.0) | 100.0 | 152/156 (97.4) | 96.2,100.0 | 2/156 (1.3) | 0.0, 3.1 |
| 10–14 | 79/87 (90.8) | 84.7, 96.9 | 80/84 (95.2) | 90.6, 99.8 | 159/171 (93.0) | 89.2, 96.8 | 9/171 (5.3) | 1.9, 8.7 |
| 15–19 | 51/63 (81.0) | 71.3, 90.7 | 67/70 (95.7) | 90.9, 100.0 | 118/133 (88.7) | 83.3, 94.1 | 7/133 (5.3) | 1.5, 9.1 |
| 20–29 | 136/165 (82.4) | 76.6, 88.2 | 194/220 (88.2) | 83.9, 92.5 | 330/385 (85.7) | 82.2, 89.2 | 34/385 (8.8) | 6.0, 11.6 |
| 30–39 | 232/251 (92.4) | 89.1, 95.0 | 270/279 (96.8) | 94.7, 98.9 | 502/530 (94.7) | 92.8, 96.6 | 15/530 (2.8) | 1.4, 4.2 |
| ≥40 | 189/197 (95.9) | 93.1, 98.7 | 211/213 (99.1) | 97.8, 100.0 | 400/410 (97.6) | 96.1, 99.1 | 6/410 (1.5) | 0.3, 2.7 |
| Total | 869/952 (91.3) | 89.5, 93.1 | 961/1008 (95.3) | 94.0, 96.6 | 1830/1960 (93.4) | 92.3, 94.5 | 76/1960 (3.9) | 3.0, 4.8 |
#n/N = seropositive samples/total, *n/N = sero-equivocal samples/total.