Reasons for SARS-CoV-2 infection in children and their role in the transmission of infection according to age: a case-control study

Table 3 Reasons for performing a SARS-CoV-2 NS according to age-group

Reasons	Nursery school		Primary school		Secondary school		P	P for trend
Reasons	n	%	n	%	n	%
N	46		62		54
School contact (all)	11	23.9	32	51.6	27	50.0	0.008	0.011
Contact with a positive teacher	5	10.9	13	21.0	5	9.3	0.147	0.745
Contact with a positive child	3	6.5	14	22.6	16	29.6	0.014	0.005
Flu symptoms	13	28.3	13	21.0	10	18.5	0.483	0.251
Household contact with a positive case	17	37.0	12	19.4	8	14.8	0.022	0.010
Household contact with a contact of a positive case	6	13.0	6	9.7	2	3.7	0.237	0.095
Contact with a positive case in a location other than school or home	6	13.0	5	8.1	10	18.5	0.235	0.378

Nursery school: 0–5 years; Primary school: 6–10 years; Secondary school: 11–19 years

ISSN: 1824-7288