Table 3.
Crude and weighted ELISA Spike serology according to region of residence.
| Children | Crude (n, %) | Total* | Weighted | |||||
|---|---|---|---|---|---|---|---|---|
| Negative | Indeterminate | Positive | % Positive (95% CI) | |||||
| n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | |||
| IDF | 372 | 95.6 (93.6–97.7) | 4 | 1.0 (0.0–2.0) | 13 | 3.3 (1.6–5.1) | 386 | 3.3 (0.6–5.9) |
| Grand Est | 242 | 93.4 (90.4–96.5) | 2 | 0.8 (0.0–1.8) | 15 | 5.8 (2.9–8.6) | 259 | 6.9 (2.4–11.4) |
| N. Aquitaine | 212 | 98.6 (97.0–100) | 2 | 0.9 (0–2.2) | 1 | 0.5 (0.0–1.4) | 214 | 0.1 (0.0–0.3) |
| Other regions | 1,634 | 98.0 (97.4–98.7) | 4 | 0.2 (0.0–0.5) | 29 | 1.7 (1.1–2.4) | 1,658 | 2.5 (0.9–4.0) |
| Total | 2,460 | 97.2 (96.6–97.9) | 12 | 0.5 (0.2–0.7) | 58 | 2.3 (1.7–2.9) | 2,517 | 2.8 (1.7–4.0) |
| Parents | ||||||||
| IDF | 311 | 85.2 (81.6–88.9) | 8 | 2.2 (0.7–3.7) | 46 | 12.6 (9.2–16.0) | ||
| Grand Est | 208 | 86.0 (81.6–90.3) | 8 | 3.3 (1.0–5.6) | 26 | 10.7 (6.8–14.7) | ||
| N. Aquitaine | 183 | 91.5 (87.6–65.4) | 3 | 1.5 (0.0–3.2) | 14 | 7.0 (3.5–10.5) | ||
| Other regions | 1,398 | 89.4 (87.9–90.9) | 49 | 3.1 (2.3–4.0) | 117 | 7.5 (6.2–8.8) | ||
| Total | 2,100 | 88.6 (87.3–89.9) | 67 | 2.9 (2.2–3.5) | 203 | 8.6 (7.4–9.7) | ||
*
Thirty-eight subjects excluded due to missing values for the region of residence.