Table 1 Characteristics of the study population.

From: Sick leave one year after COVID-19 infection: a nationwide cohort study during the first wave in Sweden

 

Total sample

n = 11,902

Male

n = 4792

Female

n = 7110

Sociodemographic characteristics

 Age in years, mean (SD)

47.9 (11.3)

48.3 (11.7)

47.8 (11.0)

 Median, (IQR [min–max])

50 (17 [18–77])

50 (17 [18–77])

49 (16 [19–76])

 Country of birth, n (%)

  Sweden

7517 (63)

2788 (58)

4729 (67)

  Nordic countries, except for Sweden

269 (2)

84 (2)

185 (3)

  European countries, except for the Nordic countries

1199 (10)

536 (11)

663 (9)

  Countries outside of Europe

2908 (25)

1379 (29)

1529 (21)

 Educational level, n (%)

  Primary school (≤ 9 years)

1228 (10)

692 (14)

536 (8)

  Secondary school (10–12 years)

5866 (50)

2467 (52)

3399 (48)

  Short university education (13–14 years)

1736 (15)

718 (15)

1018 (14)

  Long university education (≥ 15 years)

2982 (25)

856 (18)

2126 (30)

 Income, in 1000 SEK, n (%)

  Low income

3971 (33)

1320 (28)

2651 (37)

  Medium income

3967 (33)

1449 (30)

2518 (35)

  High income

3962 (33)

2023 (42)

1939 (27)

 Familial status, n (%)

  Married, no children

1950 (16)

745 (16)

1205 (17)

  Married, with children

4935 (42)

2070 (43)

2865 (40)

  Single, with children

1567 (13)

316 (7)

1251 (18)

  Single, no children

3442 (29)

1655 (35)

1787 (25)

 Sick leave prior to COVID-19, n (%)

  Yes, ≥ 28 days or ≥ 6 times

1927 (16)

565 (12)

1362 (19)

 Employment status, n (%)

  Employed

11,408 (96)

4497 (94)

6911(97)

  Self-employment

287 (2)

190 (4)

97 (1)

  Unemployed

204 (2)

103 (2)

101 (2)

COVID-19 related characteristics

 Diagnosis type

  SARS-CoV-2 detected, U07.1

7955 (67)

3232 (67)

4723 (66)

  SARS-CoV-2 not detected, U07.2

3947 (33)

1560 (33)

2387 (34)

 Required inpatient care due to COVID-19

  Yes

2931 (25)

1870 (39)

1061 (15)

  No

8971 (75)

2922 (61)

6049 (85)

 Duration of sick leave due to COVID-19, days

  Mean (SD)

59.4 (70)

64.2 (76.5)

56.2 (65.5)

  Median, (IQR [min–max])

35 (26 [1–365])

36 (30 [1–365])

35 (24 [2–365])

 Continued sick leave for 12 months, n (%)

  Yes

347 (3)

163 (3)

184 (3)

  No

11,555 (97)

4629 (97)

6926 (97)

  1. Note: s.d, standard deviation; IQR, interquartile range; Min–max, minimum—maximum; COVID-19, novel SARS-CoV-2 infection. Variables with missing values, n: Country of birth, 9; Educational level, 90; Income, 2; Familial status, 8; Employment status, 3.