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Table 1 Baseline characteristics of individuals with a SARS-CoV-2 infection and the Ontario population

From: Quantifying the magnitude of the general contextual effect in a multilevel study of SARS-CoV-2 infection in Ontario, Canada: application of the median rate ratio in population health research

 

No. (%)

 

Tested positive for SARS-CoV-2 (numerator)

Ontario Population (denominator)

Demographic

  

Total No.

343 787

11 789 128

Individual-level variables

  

Age (y), median (IQR) [range]

44 (30–57) [20–107]

49 (34–63) [20–114]

Age, y

  

20–34

114 497 (33)

3 039 354 (26)

35–49

95 398 (28)

3 023 852 (26)

50–64

88 343 (26)

3 144 045 (27)

65–114

45 549 (13)

2 581 877 (22)

Sex, n (%)

  

Female

174 037 (51)

6 014 961 (51)

Male

169 750 (49)

5 774 167 (49)

Chronic conditions, n (%)

  

Diabetes

45 372 (13)

1 385 101 (12)

Hypertension

75 503 (22)

2 953 037 (25)

COPD

16 905 (5)

861 869 (7)

CHF

5788 (2)

226 328 (2)

Asthma

51 566 (15)

1 704 005 (14)

FSA census-based variables

  

Average household size (n), median (IQR)

2.7 (2.5–3.1)

2.6 (2.2–3.1)

Proportion of employed people driving to work (%), median (IQR)

0.73 (0.58–0.80)

0.77 (0.63–0.86)

Proportion of employed people in sales/service jobs (%), median (IQR)

0.24 (0.22–0.27)

0.23 (0.19–0.28)

Median Household After-tax Income in 2015 (CAD $), median (IQR)

29 373 (24 944 − 33 186)

31 616 (26 240 − 37 120)

  1. Abbreviations COPD, chronic obstructive pulmonary disease; CHF, congestive heart failure; CAD, Canadian; y, year; n, number
  2. Note: More details about the definitions of the FSA census-based characteristics are provided in the Additional file: Table S1
  3. The observation period is between March 1, 2020, to May 1, 2021