Table 1. Demographic Characteristics of SARS-CoV-2–Positive Children and Adults in Seattle Coronavirus Assessment Network (SCAN) From March 23 to November 9, 2020.
| Characteristic | No. (%) | ||
|---|---|---|---|
| Total sample | Children | Adults | |
| Total, No. | 555 | 123 | 432 |
| Sex | |||
| Female | 320 (57.7) | 64 (52.0) | 256 (59.3) |
| Male | 235 (42.2) | 59 (48.0) | 176 (40.7) |
| Race/ethnicitya | |||
| American Indian or Alaskan Native | 1 (0.2) | 0 | 1 (0.2) |
| Asian | 75 (13.5) | 13 (10.6) | 62 (14.4) |
| Black or African American | 35 (6.3) | 10 (8.1) | 25 (5.8) |
| Native Hawaiian or other Pacific Islander | 11 (2.0) | 2 (1.6) | 9 (2.1) |
| White | 283 (51.0) | 55 (44.7) | 228 (52.8) |
| Otherb | 76 (13.7) | 17 (13.8) | 59 (13.7) |
| Multiple races | 42 (7.6) | 19 (15.4) | 23 (5.3) |
| Not reported | 32 (5.8) | 7 (5.7) | 25 (5.8) |
| Hispanic or Latino ethnicity | |||
| Yes | 118 (21.3) | 30 (24.4) | 88 (20.4) |
| No | 414 (74.6) | 89 (72.4) | 325 (75.2) |
| Not reported | 23 (4.1) | 4 (3.3) | 19 (4.4) |
| Age, y | |||
| 0-4 | 50 (9.0) | 50 (40.7) | NA |
| 5-11 | 45 (8.1) | 45 (36.6) | NA |
| 12-17 | 28 (5.0) | 28 (22.8) | NA |
| 18-49 | 305 (55.0) | NA | 305 (70.6) |
| 50-64 | 93 (16.7) | NA | 93 (21.5) |
| 65-85c | 34 (6.1) | NA | 34 (7.9) |
| Mean (SD) | 33.7 (20.1) | 7.5 (5.3) | 41.2 (16) |
| Comorbidity | |||
| None | 394 (71.0) | 106 (86.2) | 288 (66.7) |
| Allergy | 77 (13.8) | 9 (7.3) | 68 (15.7) |
| Asthma | 41 (7.4) | 5 (4.1) | 36 (8.3) |
| Cardiovascular disease | 9 (1.6) | 0 | 9 (2.1) |
| Cancer | 2 (0.4) | 0 | 2 (0.5) |
| Chronic lung disease, not asthma | 3 (0.5) | 0 | 3 (0.7) |
| Diabetes | 24 (4.3) | 0 | 24 (5.6) |
| Hypertension | 42 (7.5) | 1 (0.8) | 41 (9.5) |
| Unknown/not reported | 16 (2.9) | 2 (1.6) | 14 (3.2) |
| Household size (including participant) | |||
| 1 | 36 (6.5) | 0 | 33 (7.6) |
| 2 | 116 (20.9) | 21 (17.1) | 95 (22.0) |
| 3 | 83 (15.0) | 11 (8.9) | 72 (16.7) |
| 4 | 123 (22.0) | 38 (30.9) | 88 (20.4) |
| 5 | 95 (17.1) | 30 (24.4) | 65 (15.0) |
| ≥6d | 102 (18.4) | 23 (18.7) | 79 (18.3) |
| Mean (SD) | 3.8 (1.6) | 4.1 (1.4) | 3.7 (1.6) |
| SARS-CoV-2–positive close contactse | |||
| None | 69 (12.4) | 10 (8.1) | 59 (13.7) |
| Any positive contact | 277 (49.9) | 98 (79.7) | 179 (41.4) |
| Household | 225 (40.5) | 84 (68.3) | 141 (32.6) |
| Friend | 45 (8.1) | 14 (11.4) | 31 (7.2) |
| Coworker | 16 (2.9) | 0 | 16 (3.7) |
| Unsure/not reported | 209 (37.7) | 15 (12.2) | 194 (44.9) |
Abbreviation: NA, not applicable.
a
Race/ethnicity categories were treated as mutually exclusive groups; multiple races was defined as 2 or more of the above groups.
b
This included unlisted races not specified by participant.
c
For privacy, all adults older than 85 years were classified as aged 85 years.
d
For the purpose of analysis, we assumed a household size of 6 for individuals who reported 6 or more household members.
e
Close contact was defined as an encounter in the past 2 weeks in which the individual spent at least 10 minutes within 6 feet of a person who tested positive for SARS-CoV-2.