Table 4. Proportion of symptoms with respect to age groups.
| Symptoms | 0–4 years n/N (%) | P-value | 5–14 years n/N (%) | P-value | ≥15 years n/N (%) | P-value | |||
|---|---|---|---|---|---|---|---|---|---|
| Inf Neg | Inf Pos | Inf Neg | Inf Pos | Inf Neg | Inf Pos | ||||
| Cough | 5528/5981 (92.4) | 1533/1583 (96.8) | < 0.001* | 855/970 (88.1) | 442/462 (95.7) | < 0.001* | 1021/1200 (85.1) | 474/508 (93.3) | < 0.001* |
| Rhinorrhoea | 5232/5770 (90.7) | 1465/1537 (95.3) | < 0.001* | 715/897 (79.7) | 394/445 (88.5) | < 0.001* | 835/1165 (71.7) | 429/496 (86.5) | < 0.001* |
| Asthenia | 3114/4777 (65.2) | 907/1284 (70.6) | < 0.001* | 553/728 (76.0) | 317/396 (80.1) | 0.135 | 858/1028 (83.5) | 399/445 (89.7) | 0.002* |
| Headache | 681/2732 (24.9) | 250/812 (30.8) | 0.001* | 530/763 (69.5) | 288/377 (76.4) | 0.014* | 928/1079 (86.0) | 419/455 (92.1) | 0.001* |
| Sore throat | 582/2961 (19.7) | 144/862 (16.7) | 0.054 | 348/691 (50.4) | 163/346 (47.1) | 0.356 | 679/1028 (66.1) | 269/449 (59.9) | 0.025* |
| Vomitting | 1575/5005 (31.5) | 356/1313 (27.1) | 0.002* | 180/674 (26.7) | 105/366 (28.7) | 0.513 | 133/865 (15.4) | 32/376 (8.5) | 0.001* |
| Arthralgia | 240/2529 (9.5) | 74/697 (10.6) | 0.386 | 198/578 (34.3) | 102/303 (33.7) | 0.881 | 605/952 (63.6) | 295/413 (71.4) | 0.005* |
| Noisy breath | 1450/4847 (29.9) | 255/1270 (20.1) | < 0.001* | 142/674 (21.1) | 44/353 (12.5) | 0.001* | 132/863 (15.3) | 55/385 (14.3) | 0.669 |
| Myalgia | 182/2578 (7.1) | 63/718 (8.8) | 0.127 | 174/591 (29.4) | 81/302 (26.8) | 0.434 | 538/941 (57.2) | 248/401 (61.8) | 0.116 |
| Shortness of breath | 1115/4698 (23.7) | 179/1249 (14.3) | < 0.001* | 131/655 (20.0) | 41/342 (12.0) | 0.001* | 276/880 (31.4) | 94/388 (24.2) | 0.011* |
| Diarrhoea | 1212/4992 (24.3) | 208/1281 (16.2) | < 0.001* | 105/670 (15.7) | 27/350 (7.7) | < 0.001* | 295/413 (71.4) | 27/378 (7.1) | 0.038* |
| Conjonctivitis | 846/4716 (17.9) | 232/1260 (18.4) | 0.711 | 139/670 (20.7) | 62/341 (18.2) | 0.360 | 220/910 (24.2) | 97/387 (25.1) | 0.725 |
| Ear pain | 295/3000 (9.8) | 72/844 (8.5) | 0.289 | 127/624 (20.4) | 42/320 (13.1) | 0.007* | 264/907 (29.1) | 112/397 (28.2) | 0.791 |
| Skin rash | 503/4587 (11.0) | 78/1207 (6.5) | < 0.001* | 58/623 (9.3) | 22/341 (6.5) | 0.143 | 30/830 (3.6) | 9/364 (2.5) | 0.378 |
Inf: Influenza; Neg: Negative; Pos: Positive