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. 2023 Sep 8;18(9):e0291259. doi: 10.1371/journal.pone.0291259

Table 2. Characteristics of patients who completed COVID-19 testing.

Cases
(n = 723)
Controls
(n = 613)
p-value**
Age
 18–24 years
 25–44 years
 45–64 years
 65–89 years

16 (2.2%)
241 (33.3%)
350 (48.4%)
116 (16.0%)

6 (1.0%)
160 (26.1%)
309 (50.4%)
138 (22.5%)
0.001
Sex (% male) 247 (34.2%) 151 (24.6%) < .001
Race/ethnicity
 Non-Hispanic White
 Non-Hispanic Black
 Hispanic
 Asian
 Non-Hispanic other

515 (71.2%)
48 (6.6%)
114 (15.8%)
33 (4.6%)
13 (1.8%)

531 (86.6%)
17 (2.8%)
51 (8.3%)
12 (2.0%)
2 (0.3%)
< .001
Household size
 1–2 adults, without children
 1–2 adults, with children
 3+ adults, without children
 3+ adults, with children

366 (50.6%)
182 (25.2%)
93 (12.9%)
71 (9.8%)

372 (60.7%)
136 (22.2%)
70 (11.4%)
31 (5.1%)
0.001
Education
 Less than high school
 High school or equivalent
 Some college
 College degree

6 (0.8%)
44 (6.1%)
127 (17.6%)
537 (74.3%)

2 (0.3%)
10 (1.6%)
81 (13.2%)
518 (84.5%)
< .001
Socioeconomic status (SES)*
 Low SES
 Medium SES
 High SES

35 (4.8%)
298 (41.2%)
375 (51.9%)

39 (6.4%)
229 (37.4%)
342 (55.8%)
0.17

* Neighborhood socioeconomic status (SES) was assigned based on the estimated proportion of low SES addresses in the county-specific census block group, which was defined as a function of the per capita income and percent of owner-occupied housing units.

** Characteristics of cases and controls were compared using Chi2 tests.