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Table 1 Characteristics of patients with a positive SARS-CoV-2 RT-PCR test, by age group*

From: Association between any underlying health condition and COVID-19-associated hospitalization by age group, Washington State, 2020–2021: a retrospective cohort study

 

Total (N = 7,452)

18–39 years (N = 3,249)

40–64 years (N = 2,840)

65 + years (N  = 1,363)

Characteristic

n

%

n

%

n

%

n

%

Age (years)

(mean ± SD)

45.7

 ± 19.1

27.9

 ± 6.2

51.8

 ± 7.1

75.5

 ± 8.3

Sex

 Female

3,712

49.8

1,694

52.1

1,346

47.4

672

49.3

 Male

3,740

50.2

1,555

47.9

1,494

52.6

691

50.7

Race and ethnicity

 Hispanic or Latine

1,301

17.5

608

18.7

589

20.7

104

7.6

 NH AIAN

70

0.9

30

0.9

27

1.0

13

1.0

 NH Asian

635

8.5

284

8.7

204

7.2

147

10.8

 NH Black

1,012

13.6

431

13.3

460

16.2

121

8.9

 NH NHPI

147

2.0

64

2.0

69

2.4

14

1.0

 NH White

3,268

43.9

1,349

41.5

1,113

39.2

806

59.1

 Not recorded

1,019

13.7

483

14.9

378

13.3

158

11.6

Insurance§

 Private

3,934

52.8

1,933

59.5

1,375

48.4

626

45.9

 Public

2,716

36.4

1,003

30.9

1,042

36.7

671

49.2

 Uninsured

517

6.9

165

5.1

319

11.2

33

2.4

 Not recorded

285

3.8

148

4.6

104

3.7

33

2.4

Any UHC

 No

2,111

28.3

1,380

42.5

586

20.6

145

10.6

 Yes

5,341

71.7

1,869

57.5

2,254

79.4

1,218

89.4

  1. SARS-CoV-2   Severe acute respiratory syndrome coronavirus 2, RT-PCR   Reverse transcription polymerase chain reaction, SD   Standard deviation, NH  Non-Hispanic, AIAN   American Indian or Alaska Native, NHPI   Native Hawaiian or Pacific Islander, UHC   Underlying health condition
  2. *University of Washington Medicine healthcare system, 02/29/2020 to 03/13/2021
  3. Age at first positive SARS-CoV-2 RT-PCR test within University of Washington Medicine; 2 patients (< 0.1%) had implausible ages (≥ 120 years) and were dropped from the analysis
  4. Sex assigned at birth; 2 patients (< 0.1%) were missing data on sex assigned at birth and dropped from the analysis
  5. §A measure of individual-level socioeconomic position; to capture information about the pre-pandemic period, health insurance data were based on the most recent encounter from 01/01/2017 to 02/28/2020 for which health insurance data were available; private includes patients with Medicare Advantage (Part C), Medicare Supplement (Medigap), Medicare (Part D), employer-sponsored and individual plans, private military insurance, and other forms of private insurance; public includes patients on Medicaid, Medicare (Part A and/or B only), public military insurance, and other forms of public insurance; uninsured includes patients without health insurance and patients with Indian Health Services insurance [42, 43]
  6. Conditions possibly associated with increased risk of severe coronavirus disease 2019 per the United States Centers for Disease Control and Prevention [19], (all yes/no) based on electronic health record data; see Supplementary Table 1 (in Additional File 1) for list of conditions