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Table 1 Characteristics of the Rutgers Corona Cohort

From: Prevalence of SARS-CoV-2 infection in previously undiagnosed health care workers in New Jersey, at the onset of the U.S. COVID-19 pandemic

  Total cohort1 (n = 829) HCW (n = 546; 65.9%) NHCW (n = 283; 34.1%) p-value2
Demographics
 Sex     0.30
  Male 298 (35.9%) 191 (35.0%) 107 (37.8%)  
  Female 531 (64.1%) 355 (65.0%) 176 (62.2%)  
 Age (years)     0.001
  20–39 428 (51.6%) 300 (55.0%) 128 (45.2%)  
  40–59 315 (38.0%) 204 (37.4%) 111 (39.2%)  
  ≥ 60 86 (10.4%) 42 (7.7%) 44 (15.6%)  
 Race     < 0.001
  White 483 (58.3%) 285 (52.2%) 198 (70.0%)  
  Asian 170 (20.5%) 131 (24.2%) 39 (13.8%)  
  Black 90 (10.9%) 70 (12.8%) 20 (7.1%)  
  Other/missing 86 (10.4%) 60 (1%) 26 (9.2%)  
Hispanic ethnicity 101 (12.2%) 68 (12.5%) 33 (11.7%) 0.74
Current smoker 37 (4.5%) 19 (3.5%) 18 (6.4%) 0.001
Social distancing
 Worked on-site (at hospital and/or university) in prior week 734 (88.5%) 530 (97.1%) 204 (72.1%) < 0.001
 Stayed home as much as possible when not working 691 (83.9%) 461 (84.9%) 230 (81.9%) 0.25
 Avoided being around other people as much as possible 702 (85.4%) 467 (86.3%) 235 (83.6%) 0.34
 Recent exposure outside of work to someone with COVID-19 or new fever, cough, or shortness of breath 88 (10.7%) 68 (12.6%) 20 (7.1%) 0.02
Clinical characteristics
 Any chronic comorbidity3 288 (34.7%) 184 (33.7%) 104 (36.8%) 0.38
  Diabetes mellitus 48 (5.9%) 34 (6.3%) 14 (5.0%) 0.44
  Hypertension 125 (15.2%) 80 (14.9%) 45 (15.9%) 0.68
  Coronary or cerebrovascular disease or heart failure 20 (2.4%) 15 (2.8%) 5 (1.8%) 0.38
  Asthma, COPD, or other chronic lung disease 113 (13.6%) 73 (13.4%) 40 (14.2%) 0.76
  Autoimmune disease or reported immunosuppressant use 40 (4.9%) 28 (5.2%) 12 (4.2%) 0.57
  COVID-19 symptoms in last week (any)4 98 (11.9%) 76 (13.9%) 22 (7.8%) 0.02
  1. COVID-19: coronavirus disease-2019; HCW: healthcare workers; NHCW: non-healthcare workers
  2. 1 Percentages may not add up to exactly 100.0 due to rounding
  3. 2 Chi-squared tests
  4. 3 Chronic comorbidities included diabetes mellitus, hypertension, coronary or cerebrovascular disease, heart failure, asthma, chronic obstructive pulmonary disease, other chronic lung disease, or chronic autoimmune disease
  5. 4 COVID-19 symptoms included fever, cough, shortness of breath, vomiting, diarrhea, or change in smell or taste