Table 1 Demographics

Households

Total number of households

79

Number of households of each size (as reported by index individual)^a

 2–3 household members

33

(42%)

 4–5 household members

35

(44%)

 6–10 household members

13

(16%)

Number of households with each number of participants enrolled in Index Individual study

 1 index individual

62

(78%)

 2 index individuals

11

(14%)

 3 index individuals

5

(6%)

 4 index individuals

1

(1%)

Index individuals

Number of participants enrolled in Index Individual study

103

 Cohort A (questionnaires designed for data collection during acute phase of infection)

14

(14%)

 Cohort B (questionnaires designed for retrospective data collection)

89

(86%)

Index individual age (years)

38

(20, 49)

 Among index individuals under 18 years old

15

(14–16.25)

Number of index individuals enrolled per age group

 Child aged 10–17

16

(16%)

 Adult aged 18–65

80

(78%)

 Senior over 65

7

(7%)

Household contacts

Number of household contacts enrolled in REGN 2069/CoVPN 3502

118

 SARS-CoV-2 negative at baseline

113

(96%)

 SARS-CoV-2 positive at baseline

5

(4%)

Household contact age (years)

38

(21, 51.75)

 Among household contacts under 18 years old

16

(13.5–16)

Number of household contacts enrolled per age group

 Child aged 12–17

19

(16%)

 Adult aged 18–65

93

(79%)

 Senior over 65

6

(5%)

Index individual/contact pairs

Number of index individual/household contact pairs enrolled^b

151

Time from household contact to index individual enrollment (days)

240

(212.5, 276.5)

 Cohort A index individuals

27.5

(6, 110.25)

 Cohort B index individuals

241

(219, 282)

Number of index individual/household contact pairs enrolled in each age group

 Adult/adult

89

(59%)

 Child/adult

22

(15%)

 Adult/child

18

(12%)

 Child/child

7

(5%)

 Other

15

(10%)