Table 2.

Demographics of contacts of confirmed cases of COVID-19 who returned a completed test for SARS-CoV-2 (n = 240) as at 3 November 2020

	Test positive (n = 39)		Test negative (n = 201)
	Proportion	95% CI	Proportion	95% CI	P-value
Sexa
Male	60.6% (20/33)	42.1–77.1%	50.5% (96/190)	43.2–57.8%	0.58
Ageb
Median	29	15.7–45	28	24–32	0.87
Interquartile range	11–54		15–44
Range	0–82		1–83
Ethnicityc
White	87.5% (21/24)	67.6–97.3%	79.7% (118/148)	72.3–85.9%	0.83
Symptomsd
Yes	51.3% (20/39)	34.8–67.6%	14.9% (29/195)	10.2–20.7%	<0.01

^aData completeness for sex: n = 33 test positive and n = 190 testing negative.

^bData completeness for age: n = 33 test positive and n = 177 testing negative.

^cData completeness for ethnicity: n = 24 test positive and n = 148 testing negative, self-reported ethnicity on lab request form.

^dData completeness for symptoms: n = 39 test positive and n = 195 testing negative.