Table 1 Descriptive characteristics

From: Post-covid medical complaints following infection with SARS-CoV-2 Omicron vs Delta variants

 

SARS-CoV-2 Omicron variant

SARS-CoV-2 Delta variant

Testing negative for SARS-CoV-2

 

13,365

23,767

N = 105,297

Age, median (interquartile range)

36 (26–48)

40 (32–49)

42 (30–53)

Women, n (%)

6638 (49.7)

11,711 (49.3)

52,905 (50.2)

Primary schoola, n (%)

2886 (21.7)

5183 (21.9)

21,341 (20.3)

Upper secondary schoola, n (%)

4179 (31.4)

7821 (33.0)

35,848 (34.2)

College/universitya, n (%)

5461 (41.0)

8948 (37.8)

41,180 (39.3)

Born in Norway, n (%)

9520 (71.2)

16,138 (67.9)

79,686 (75.7)

≥2 comorbiditiesb, n (%)

1169 (8.7)

2604 (11.0)

12,858 (12.2)

One vaccine dosec, n (%)

12,463 (93.2)

18,822 (79.2)

97,964 (93.0)

Two vaccine dosesc, n (%)

12,119 (90.7)

18,011 (75.8)

94,183 (89.4)

Three vaccine dosesc, n (%)

1421 (10.6)

1430 (6.0)

17,362 (16.5)

Nr. of negative testsd, median [IQR]

2 [1–4]

2 [1–4]

1 [0–3]

Nr. of all-cause previous visits to primary caree, median [IQR]

2 [1–3]

2 [1–4]

2 [1–3]

  1. All characteristics measured prior to test.
  2. aHighest achieved education level by end of 2019.
  3. bBased on counts of medical records in specialist care, January 1, 2020 to December 7, 2021.
  4. cThe current vaccination status against COVID-19 before selected test date, based on records in vaccination database.
  5. dCounts of registered tests, from January 1, 2020 to December 7, 2021.
  6. eCounts of contacts with general practitioner or emergency ward, from January 1, 2020 to December 7, 2021.