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Table 1 Sociodemographic characteristics and transmission risk factors before and during lockdown

From: Sociodemographic characteristics and transmission risk factors in patients hospitalized for COVID-19 before and during the lockdown in France

 

Total

Infected before lockdown

Infected during lockdown

p

Total population, N (%)

383 (100.0)

305 (79.6)

78 (20.4)

 

Demographic characteristics

 Men, n (%)

237 (61.9)

187 (61.3)

50 (64.1)

0.65

 Age (median ± IQR)

61 (39–83)

60 (39–81)

66.5 (43–90)

0.03

Nationality, n (%)

 French

234 (61.1)

188 (61.6)

46 (59.0)

 

 European

18 (4.7)

13 (4.3)

5 (6.4)

 

 Non-European

131 (34.2)

104 (34.1)

27 (34.6)

0.65

Social characteristics

 Occupation, n (%)

  Active*

154 (40.2)

135 (44.3)

19 (24.4)

 

  Unemployed

51 (13.3)

40 (13.1)

11 (14.1)

 

  Retired

136 (35.5)

100 (32.8)

36 (46.2)

 

  Other or undetermined

42 (11.0)

30 (9.8)

12 (15.4)

0.01

 Housing, n (%)

  Individual accommodation

341 (89.0)

283 (92.8)

58 (74.4)

 

  Social

15 (3.9)

10 (3.3)

5 (6.4)

 

  Homeless

7 (1.8)

3 (1.0)

4 (5.1)

 

  Institutionalized

20 (5.2)

9 (3.0)

11 (14.1)

< 0.01

 Number of persons in the household, n (%)

  1

67 (17.5)

56 (18.4)

11 (14.1)

 

  2–4

199 (52.0)

164 (53.8)

35 (44.9)

 

   ≥ 5 or collective housing

90 (23.5)

73 (23.9)

17 (21.8)

0.92

Non-French-speaking, n (%)

33 (8.6)

20 (6.6)

13 (16.7)

< 0.01

No health insurance, n (%)

24 (6.3)

18 (5.9)

6 (7.7)

0.60

Transmission risk factors

 Relative, n (%)

101 (26.4)

75 (24.6)

26 (33.3)

0.16

 Nosocomial exposure, n (%)

44 (11.5)

35 (11.5)

9 (11.5)

0.99

 Profession at risk, n (%)

40 (10.4)

33 (11.1)

7 (9.0)

0.79

 Travel, n (%)

30 (7.8)

30 (9.8)

0 (0.0)

< 0.01

 Disadvantaged conditions, n (%)

22 (5.7)

13 (4.3)

9 (11.5)

0.03

 Institutionalized patients, n (%)

20 (5.2)

9 (3.0)

11 (14.1)

< 0.01

 Large gathering, n (%)

10 (2.6)

10 (3.3)

0 (0.0)

0.22

 No evident cause of infection, n (%)

136 (35.5)

120 (39.3)

16 (20.5)

< 0.01

  1. *Active: employee/self-employed/executive