Skip to main content
. 2020 Nov 6;69(44):1631–1634. doi: 10.15585/mmwr.mm6944e1

TABLE 1. Characteristics of index patients with laboratory-confirmed SARS-CoV-2 infection and household members enrolled in a prospective study of SARS-CoV-2 household transmission — Tennessee and Wisconsin, April–September 2020.

Characteristic No. (%)*
Index patients
(n = 101) Household members
(n = 191)
Median age, yrs (IQR)
32 (24–48)
28 (14–46)
Age group, yrs
<12
5 (5)
32 (17)
12–17
9 (9)
30 (16)
18–49
65 (64)
92 (48)
≥50
22 (22)
37 (19)
Male
41 (41)
88 (46)
Race/Ethnicity
White, non-Hispanic
75 (74)
127 (67)
Other race, non-Hispanic
8 (8)
24 (13)
Hispanic or Latino
18 (18)
40 (21)
Underlying medical condition
Any
22 (22)
37 (19)
Asthma
12 (12)
24 (13)
Other chronic lung disease
0 (0)
2 (1)
Cardiovascular disease
4 (4)
7 (4)
Diabetes
4 (4)
7 (4)
Chronic renal disease
0 (0)
2 (1)
Immunocompromising condition
2 (2)
3 (2)
Smoking/Vaping 2 (2) 4 (2)

Abbreviation: IQR = interquartile range.

* Percentages might not sum to 100% because of rounding.

Data available for 98 index cases and 166 household members.