Table 1. Seroprevalence of anti-rubella antibodies according to the age and gender in Vojvodina, Serbia, 2015–2017.
| Seropositive | Seronegative | Equivocal | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Age group | No | % (95%CI) |
No | % (95%CI) |
No | % (95%CI) |
No | OR (95%CI) |
p | |
| Males | 1y | 44 | 48.4 (38.1–58.7) |
45 | 49.5 (39.2–59.8) |
2 | 2.2 (0.8–5.2) |
91 | 250.0 (31.0–1717.3) |
<0.001 |
| 2-11y | 438 | 93.8 (91.6–95.9) |
25 | 5.4 (3.4–7.4) |
4 | 0.9 (0.0–1.8) |
467 | 13.3 (1.8–99.1) |
0.011 | |
| 12-23y | 484 | 95.8 (94.1–97.6) |
8 | 1.6 (0.5–2.7) |
13 | 2.6 (1.2–4.0) |
505 | 3.8 (0.5–30.5) |
0.210 | |
| 24-49y | 420 | 92.9 (90.5–95.3) |
28 | 6.2 (4.0–8.4) |
4 | 0.9 (0.0–1.8) |
452 | 15.6 (2.1–115.3) |
0.007 | |
| ≥50y | 235 | 99.2 (98.1–100.3) |
1 | 0.4 (-0.4–1.2) |
1 | 0.4 (-0.4–1.2) |
237 | 1.0* | ||
| Total | 1,621 | 92.5 (91.3–93.7) |
107 | 6.1 (5.0–7.2) |
24 | 1.4 (0.8–2.0) |
1,752 | |||
| Females | 1y | 30 | 60 (46.4–73.6) |
18 | 36 (22.7–49.3) |
2 | 4.0 (1.4–9.4) |
50 | 33.3 (10.7–105.6) |
<0.001 |
| 2-11y | 361 | 91.9 (89.2–94.6) |
28 | 7.1 (4.6–9.6) |
4 | 1.0 (0.0–2.0) |
393 | 4.6 (1.6–13.2) |
0.005 | |
| 12-23y | 499 | 96.3 (94.67–97.9) |
7 | 1.4 (0.4–2.4) |
12 | 2.3 (1.0–3.6) |
518 | 0.8 (0.2–2.8) |
0.751 | |
| 24-49y | 416 | 92.9 (90.5–95.3) |
30 | 6.7 (4.4–9.0) |
2 | 0.4 (0.2–1.0) |
448 | 142.9 (1.5–12.3) |
0.007 | |
| ≥50y | 236 | 97.1 (94.9–99,2) |
4 | 1.6 (0.0–3.2) |
3 | 1.2 (0.2–2.6) |
243 | 1.0* | ||
| Total | 1,542 | 93.3 (92.1–94.5) |
87 | 5.3 (4.2–6.4) |
23 | 1.4 (0.8–2.0) |
1,652 | |||
| Total | 1y | 74 | 52.5 (44.3–60.7) |
63 | 44.7 (36.5–52.9) |
4 | 2.8 (0.1–5.5) |
141 | 76.7 (29.9–196.7) |
<0.001 |
| 2-11y | 799 | 92.9 (91.2–94.6) |
53 | 6.2 (4.6–7.8) |
8 | 0.9 (0.3–1.5) |
860 | 6.2 (2.5–15.7) |
<0.001 | |
| 12-23y | 983 | 96.1 (94.9–97.3) |
15 | 1.5 (0.8–2.2) |
25 | 2.4 (1.5–3.3) |
1,023 | 1.4 (0.5–3.9) |
0.505 | |
| 24-49y | 836 | 92.9 (91.2–94.6) |
58 | 6.4 (4.8–8.0) |
6 | 0.7 (0.2–1.2) |
900 | 6.5 (2.6–16.4) |
<0.001 | |
| ≥50y | 471 | 98.1 (96.9–99.3) |
5 | 1.0 (0.1–1.9) |
4 | 0.8 (0.0–1.6) |
480 | 1.0* | ||
| Total | 3,163 | 92.9 (92.0–93.8) |
194 | 5.7 (4.9–6.5) |
47 | 1.4 (1.0–1.8) |
3,404 | |||
*Reference value
OR–Odds Ratio; CI—Confidence Interval; p–probability
Binary Logistic Regression Analysis was used to generate odds ratios and confidence intervals.