Table 3 Proportion of persons with at least one positive SARS-CoV-2 test and determinants, general population, Baromètre de Santé publique France, 2021

Healthcare Professional

 No

22 398

9.4 [8.0–10.0]

Reference

Reference

 Yes

2 116

14.1 [12.2–16.3]

1.5 [1.3–1.7]

1.5 [1.3–1.7]

< 0.001

Professional situation

 Employed

13 278

11.7 [11.0-12.4]

Reference

Reference

 Student

1 393

16.0 [13.9–18.4]

1.4 [1.2–1.6]

1.2 [1.0-1.5]

0.05

 Unemployed

1 386

9.5 [7.7–11.6]

0.8 [0.7-1.0]

0.8 [0.7-1.0]

0.08

 Retired

7 415

5.3 [4.6–5.9]

0.4 [0.4–0.5]

0.8 [0.6–0.97]

0.03

 Other inactive

1 042

8.1 [6.1–10.5]

0.7 [0.5–0.9]

0.7 [0.6–0.95]

0.02

Residential agglomeration size (inhabitants)

 Rural

6 343

7.3 [6.6–8.2]

Reference

Reference

 <20 000

4 153

8.0 [7.1–9.2]

1.1 [0.9–1.3]

1.1 [0.9–1.3]

0.3

 20 000–99 999

3 151

8.0 [6.9–9.3]

1.1 [0.9–1.3]

1.0 [0.9–1.3]

0.6

 100 000–199 999

1 317

9.4 [7.6–11.7]

1.3 [1.0-1.6]

1.3 [1.0-1.6]

0.045

 >=200 000 and Paris area

9 464

12.6 [11.7–13.5]

1.7 [1.5–1.9]

1.4 [1.2–1.6]

< 0.001

Household size (persons)

 1

6 063

6.7 [5.9–7.5]

Reference

Reference

 2

9 142

8.5 [7.9–9.3]

1.3 [1.1–1.5]

1.4 [1.2–1.6]

< 0.001

 3

3 781

9.8 [8.7–11.1]

1.5 [1.2–1.7]

1.2 [1.0-1.5]

0.02

 4 or more

5 528

14.0 [12.8–15.2]

2.0 [1.8–2.4]

1.7 [1.5-2.0]

< 0.001

Age (years)

 18–24

2 035

13.7 [12.0-15.6]

Reference

Reference

 25–34

3 220

13.1 [11.8–14.6]

1.0 [0.8–1.1]

1.1 [0.9–1.3]

0.5

 35–44

3 851

11.8 [1.5–13.2]

0.9 [0.7-1.0]

0.9 [0.7–1.1]

0.5

 45–54

4 530

10.2 [9.1–11.5]

0.7 [0.6–0.9]

0.9 [0.7–1.1]

0.2

 55–64

4 662

8.9 [7.9–10.1]

0.6 [0.5–0.8]

0.9 [0.7–1.1]

0.4

 65–85

6 216

4.9 [4.3–5.6]

0.4 [0.3–0.4]

0.6 [0.4–0.9]

0.005

Chronic illness

 Yes

10,326

8.6 [7.9–9.3]

Reference

 No

14,129

10.7 [10.0-11.4]

1.2 [1.1–1.4]

Nationality

 French by birth

22 217

9.3 [8.9–9.8]

Reference

 French nationality acquired

1173

13.3 [11.0-16.1]

1.4 [1.2–1.7]

1.2 [1.0-1.5]

< 0.05

 Non-French nationality

1100

13.3 [10.8–16.3]

1.4 [1.2–1.8]

1.1 [0.9–1.4]

0.3

 Refusal to answer

24

14.7 [4.6–38.2]

1.6 [5.3–4.7]

1.9 [0.7–5.1]

0.2

Number of household inhabitants under 14 years of age

 0

18,856

8.7 [8.1–9.2]

Reference

 1

2800

12.6 [11.0-14.3]

1.4 [1.3–1.7]

 2

2213

11.9 [10.3–13.8]

1.4 [1.2–1.6]

 3 or more

645

17.0 [13.6–21.0]

2.0 [1.6–2.5]

Education level

 Lower secondary education and under

7822

8.4 [7.6–9.2]

Reference

 Upper secondary school certificate

5091

10.8 [9.6–11.9]

1.3 [1.1–1.5]

 Two years higher education

3374

11.1 [9.8–12.5]

1.3 [1.1–1.5]

 Three/four years higher education

3906

12.0 [10.8–13.3]

1.4 [1.2–1.6]

 Five years or more higher education

4207

10.9 [9.8–12.1]

1.3 [1.1–1.5]

Family income per household; consumption units (i.e., euros per consumption unit)

 < 1170

6649

10.2 [9.3–11.1]

Reference

 1170 to 1800

7477

9.0 [8.2–9.8]

0.9 [0.8–0.99]

 > 1800

8390

10.0 [9.1–10.8]

1.0 [0.9–1.1]

Period of study interview

 February – March 2021

6078

6.4 [5.7–7.2]

Reference

Reference

 April – June 2021

7832

9.1 [8.3–9.9]

1.4 [1.2–1.6]

1.4 [1.2–1.6]

< 0.001

 July – September 2021

4036

10.9 [9.7–12.3]

1.7 [1.4-2.0]

1.6 [1.4–1.9]

< 0.001

 October – December 2021

6568

12.8 [11.9–13.9]

2.0 [1.7–2.3]

1.8 [1.6–2.1]

< 0.001