Table 1.

Patient Demographics

COVID-19 positiveCOVID-19 negativeTotal sample
Characteristic(n = 4528)(n = 162,955)(n = 167,483)Pa
Any of these events occur: pulmonary embolism, cerebral infarction, thromboembolic event (%)1.4%1.5%1.5%0.517
Age (mean, SD)48.2 (15.2)50.5 (15.5)50.5 (15.5)<0.001
Female (%)63.4%62.2%62.2%0.107
Race (%)
 White85.3%87.3%87.2%<0.001
 Black9.2%6.9%7.0%
 Asian4.0%4.4%4.4%
 Other/missing1.5%1.5%1.5%
Hispanic (%)1.2%1.1%1.1%0.474
English preferred (%)95.8%96.4%96.4%0.029
Foreign born (%)9.8%8.9%9.0%0.037
Partnered (%)58.2%58.5%58.5%0.707
Neighborhood descriptors (mean, SD)
Educational distribution
 Less than high school degree6.7% (6.6%)6.2% (6.6%)6.2% (6.6%)<0.001
 High school degree25.3% (9.9%)22.9% (10.6%)23.0% (10.6%)
 Bachelor’s degree22.3% (10.5%)25.1% (11.4%)25.1% (11.4%)
 Graduate degree10.3% (8.0%)12.9% (9.8%)12.8% (9.8%)
Housing
 Crowded97.6% (3.9%)97.8% (3.8%)97.8% (3.8%)<0.001
 No vehicle6.1% (8.6%)5.9% (8.5%)5.9% (8.5%)0.109
 Under FPL9.4% (7.9%)8.6% (7.9%)8.6% (7.9%)<0.001
Weight status
 Normal (BMI < 25)19.4%26.0%25.8%<0.001
 Overweight (25≤BMI < 30)30.8%30.5%30.5%
 Obese (BMI ≥ 30)49.8%43.5%43.7%
Chronic condition indicators
 Asthma12.3%10.5%10.6%<0.001
 Cancer6.8%9.6%9.5%<0.001
 COPD3.1%3.9%3.9%0.005
 Diabetes14.9%14.6%14.7%0.648
 Bronchitis4.4%3.6%3.6%0.006
 Chronic respiratory failure0.4%0.4%0.4%0.837
 Emphysema1.4%1.6%1.6%0.151
 Pulmonary disease0.8%1.1%1.1%0.144
Tobacco use
 Never56.9%55.6%55.6%<0.001
 Current user12.0%15.4%15.3%
 Former user31.2%29.0%29.0%
  • Abbreviations: FPL, federal poverty line; SD, standard deviation; BMI, body mass index; COPD, chronic obstructive pulmonary disease.

  • aP values document statistical significance of the difference between the COVID-19 positive and control populations. These statistics are computed using Pearson chi-square test for categorical variables, and analyses of variance for continuous variables.