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. 2021 Nov 10;11(11):e052888. doi: 10.1136/bmjopen-2021-052888

Table 2.

Sociodemographic characteristics associated with COVID-19 risk factors

High density of the place of residence,
n=27 104 (38.6%)
Overcrowded housing, n=8430 (13.2%) Worked outside the home during lockdown,
n=37 129 (47.7%)
Age (years)
 18–24 3506 (38.5) 1225 (13.9) 2794 (27.5)
 25–34 5504 (47.2) 2051 (18.1) 6366 (50.1)
 35–44 6128 (39.8) 2786 (19.8) 9239 (56.0)
 45–54 6298 (35.7) 1748 (11.6) 11 374 (59.0)
 55–64 5668 (33.5) 620 (4.5) 7356 (39.1)
Sex
 Men 12 404 (38.1) 3880 (13.1) 18 148 (50.6)
 Women 14 700 (39.0) 4550 (13.4) 18 981 (44.7)
Ethnoracial status
 Mainstream population 18 772 (31.8) 4823 (8.7) 30 625 (49.0)
 Non-racialised first-generation immigrants 1128 (51.0) 432 (21.3) 1100 (47.0)
 Non-racialised second-generation immigrants 1391 (40.1) 360 (11.0) 1815 (48.1)
 Racialised first-generation immigrants 2894 (72.6) 1655 (41.4) 1744 (41.4)
 Racialised second generation immigrants 2297 (68.0) 954 (29.2) 1303 (37.4)
 DOM or descendants of DOM native 622 (56.6) 206 (20.5) 542 (48.5)
Social class
 Self-employed and entrepreneurs 1133 (32.0) 390 (11.7) 2671 (68.1)
 Senior executive professionals 7959 (53.5) 1373 (10.3) 6448 (39.2)
 Middle executive professionals 4633 (36.4) 1235 (10.2) 8142 (57.9)
 Skilled employees 2494 (41.2) 708 (12.2) 3543 (52.0)
 Low-skilled employees 3885 (36.1) 1498 (13.7) 7562 (58.1)
 Skilled manual workers 1589 (28.7) 862 (15.0) 4466 (66.1)
 Low-skilled manual workers 743 (27.4) 515 (17.5) 1843 (56.9)
 Never worked and others 4668 (38.9) 1849 (16.7) 2454 (16.6)
Standard of living (in deciles)
 D1 3068 (46.9) 1794 (28.2) 2796 (34.7)
 D2-D3 4082 (40.4) 2317 (22.1) 5405 (45.5)
 D4-D5 3761 (33.1) 1506 (12.8) 7065 (53.4)
 D6-D7 4512 (31.9) 1262 (8.5) 8595 (54.6)
 D8-D9 6586 (37.7) 1100 (6.3) 8973 (47.7)
 D10 4773 (49.8) 385 (4.3) 4032 (40.1)
Formal education
 No diploma 1790 (42.9) 1065 (24.7) 2052 (42.3)
 Primary education 1093 (34.8) 455 (13.5) 1375 (39.4)
 Vocational secondary 3670 (27.0) 1613 (12.1) 8848 (56.9)
 High school 5356 (34.4) 2036 (13.2) 8810 (48.9)
 High school+2–4 years 8007 (39.0) 1991 (10.5) 11 252 (49.0)
 High school+5 or more years 7188 (61.1) 1270 (11.7) 4792 (36.5)
Region
 Least affected regions 11 829 (26.8) 4186 (10.3) 24 673 (51.0)
 Grand Est 1829 (26.4) 551 (9.1) 3814 (49.3)
 Hauts-de-France 2294 (34.2) 858 (12.3) 3631 (44.5)
 Ile-de-France 11 152 (83.4) 2835 (24.8) 5011 (37.8)

Data are presented as n (%).

All sociodemographic variables were significantly associated with each three COVID-19 exposure risk factors (p value <0.001, χ2 tests), except sex with high density (p value=0.051) and overcrowded housing (p value=0.30).

DOM, French Overseas Departments.