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. 2022 Sep 6;7:8. Originally published 2022 Jan 10. [Version 2] doi: 10.12688/wellcomeopenres.17213.2

Table 2. Clinical and demographic factors associated with SARS-CoV-2 infection status.

OR odds ratio, CI confidence interval. *n/N is presented when data are missing; - indicates where categories without any events were excluded from the analyses; a adjusted for age and sex, region and symptoms.

Number Risk of SARS-CoV-2
positivity		 Unadjusted
OR (95% CI)		 P value Adjusted OR a
(95% CI)		 P value
Age in years
      <16
      ≥16
278
305
9.4 (26/278)
6.2 (19/305)
1
0.6 (0.3-1.2)
0.16
Sex
      Female
      Male
377
290
6.4 (24/377)
7.2 (21/290)
1
1.1 (0.6-2.1)
0.66
Designation
      Student
      Staff
      Household member
402
198
65
8.0 (32/402)
5.1 (10/198)
3.1 (2/65)
1
0.6 (0.3-1.3)
0.4 (0.1-1.6)

0.19
0.18
Region
      East of England
      South East
      South West
264
265
139
2.7 (7/264)
10.2 (27/265)
7.9 (11/139)
1
4.2 (1.8-9.7)
3.2 (1.2-8.3)

0.001
0.02
1
2.6 (1.0-6.9)
3.1 (1.0-9.3)

0.06
0.05
Reason for test
      Symptoms
      Contact of COVID-19 case
      Screening
      Travel abroad
      Other
410
78
94
39
16
8.8 (36/410)
9.0 (7/78)
0 (0/94)
0 (0/39)
0 (0/16)
1
1.0 (0.4-2.4)
-
-
-

0.96
Symptoms
      Cough
      Fever
      Anosmia
      Other
193
166
36
0
5.7 (11/193)
9.0 (15/166)
30.1 (11/36)
0 (0/12)
1
1.6 (0.7-3.7)
7.3 (2.9-18.5)
-

0.23
<0.001
1
1.6 (0.7-3.7)
5.5 (2.1-14.7)

0.25
0.001