Table 2.

Adjusted Associations of seropositivity with participant characteristics using Multivariate Linear Regression.

Characteristics	Prevalence (%)	IgG seropositivity	p-value
		OR (95% CI)
Ethnicity
Hispanic	31%	1.32 (0.6−2.89)	0.480
Black	32%	1.5 (0.62−3.58)	0.360
Asian	26%	0.90 (0.39−2.07)	0.820
Other races	43%	2.59 (0.86−7.73)	0.080
Caucasian	15%	Ref.
Means of travel
Public	29%	0.84 (0.47−1.52)	0.580
Walk to work	50%	2.29 (0.69−7.54)	0.170
Private	24%	Ref.
Healthcare exposure high and moderate risk	38%	2.0 (0.99−4.25)	0.050
Community exposure	37%	1.27 (0.68−2.36)	0.440
Symptoms
Fever	78%	7.43 (3.33−16.57)	<0.001
Cough/Sore throat/Sinusitis	48%	1.04 (0.5−2.18)	0.900
Myalgia	55%	1.40 (0.66−2.9)	0.370
Ageusia	87%	3.35 (1.03−10.8)	0.040
Anosmia	85%	5.57 (1.88−16.5)	0.002
Nausea	61%	1.64 (0.57−4.6)	0.350
Diarrhea	45%	0.50 (0.20−1.21)	0.120
Duration of symptoms
>14 days	79%	4.3 (1.4−12.90	0.008
6 to 14 days	48%	1.19 (0.49−2.91)	0.690
<5 days	28%	Ref.

IgG negative was considered as the reference category for seroconversion.