Table 3.

Subjective or non-observable symptoms by age.

Age (years)	n	Myalgia		Abdominal pain		Headache		Odynophagia		Anosmia		General malaise
		n	% (95% CI)	n	% (95% CI)	n	% (95% CI)	n	% (95% CI)	n	% (95% CI)	n	%
4	247	15	6.1 (3.1−9.1)	41	16.6 (12.0−21.2)	47	19.0 (14.1−23.9)	27	10.9 (7.0−14.8)	5	2.0 (0.3−3.8)	25	10.1 (6.4−13.9)
5	294	23	7.8 (4.8−10.9)	40	13.6 (9.7−17.5)	70	23.8 (18.9−28.7)	51	17.3 (13.0−21.7)	11	3.7 (1.6−5.9)	48	16.3 (12.1−20.6)
6	312	32	10.3 (6.9−13.6)	47	15.1 (11.1−19.0)	99	31.7 (26.6−36.9)	52	16.7 (12.5−20.8)	18	5.8 (3.2−8.4)	57	18.3 (14.0−22.6)
7	316	38	12.0 (8.4−15.6)	58	18.4 (14.1−22.6)	112	35.4 (30.2−40.7)	57	18.0 (13.8−22.3)	24	7.6 (4.7−10.5)	66	20.9 (16.4−25.4)
8	350	40	11.4 (8.1−14.8)	68	19.4 (15.3−23.6)	153	43.7 (38.5−48.9)	66	18.9 (14.8−23.0)	36	10.3 (7.1−13.5)	90	25.7 (21.1−30.3)
9	418	54	12.9 (9.7−16.1)	63	15.1 (11.6−18.5)	192	45.9 (41.2−50.7)	107	25.6 (21.4−29.8)	40	9.6 (6.7−12.4)	99	23.7 (19.6−27.8)
10	445	72	16.2 (12.8−19.6)	67	15.1 (11.7−18.4)	217	48.8 (44.1−53.4)	113	25.4 (21.3−29.4)	62	13.9 (10.7−17.1)	128	28.8 (24.6−33.0)
11	515	94	18.3 (14.9−21.6)	71	13.8 (10.8−16.8)	238	46.2 (41.9−50.5)	146	28.3 (24.5−32.2)	87	16.9 (13.7−20.1)	148	28.7 (24.8−32.6)
12	561	118	21.0 (17.7−24.4)	65	11.6 (8.9−14.2)	311	55.4 (51.3−59.5)	173	30.8 (27.0−34.7)	124	22.1 (18.7−25.5)	199	35.5 (31.5−39.4)
13	577	127	22.0 (18.6−25.4)	65	11.3 (8.7−13.8)	309	53.6 (49.5−57.6)	173	30.0 (26.2−33.7)	138	23.9 (20.4−27.4)	208	36.0 (32.1−40.0)
14	343	69	20.1 (15.9−24.4)	34	9.9 (6.8−13.1)	181	52.8 (47.5−58.1)	96	28.0 (23.2−32.7)	123	35.9 (30.8−40.9)	132	38.5 (33.3−43.6)
0−14	4.378	682	15.6 (14.5−16.7)	619	14.1 (13.1−15.2)	1.929	44.1 (42.6−45.5)	1.061	24.2 (23.0−25.5)	668	15.3 (14.2−16.3)	1.200	27.4 (33.3−43.6)