Table 2 Unadjusted and adjusted odds ratios (ORs) with 95% confidence interval (CI) for non-vaccination by sociodemographic factors

Sex

Female

Reference

Reference

Reference

Reference

Male

1.14 (1.13–1.14)

1.10 (1.10–1.11)

1.15 (1.14–1.15)

1.08 (1.07–1.08)

Age groups

85 years or above

Reference

Reference

Reference

Reference

75–84 years

0.59 (0.57–0.60)

0.58 (0.56–0.60)

0.51 (0.59–0.63)

0.65 (0.63–0.67)

65–74 years

0.65 (0.63–0.67)

0.64 (0.63–0.66)

0.74 (0.72–0.76)

0.85 (0.83–0.88)

55–64 years

1.04 (1.01–1.07)

1.03 (1.00-1.05)

1.54 (1.50–1.58)

1.90 (1.85–1.95)

45–54 years

1.56 (1.53–1.61)

1.54 (1.51–1.58)

2.56 (2.40–2.53)

3.17 (3.09–3.26)

35–44 years

3.04 (3.00-3.12)

3.00 (2.93–3.08)

4.51 (4.39–4.62)

6.09 (5.94–6.26)

25–34 years

5.20 (5.07–5.33)

5.12 (5.00-5.25)

6.48 (6.32–6.65)

8.99 (8.76–9.23)

16–24 years

3.30 (3.22–3.38)

3.25 (3.17–3.33)

2.36 (2.30–2.42)

3.39 (3.30–3.48)

12–15 years

4.84 (4.71–4.97)

4.77 (4.64–4.90)

2.91 (2.83-3.00)

4.43 (4.30–4.56)

Immigration status

Danish

Reference

Reference

Reference

Reference

Immigrants of western descent

3.83 (3.80–3.87)

3.19 (3.16–3.22)

3.50 (3.47–3.53)

3.32 (3.29–3.35)

Descendants of western immigrants

3.08 (2.95–3.21)

2.26 (2.16–2.35)

2.28 (2.18–2.38)

2.24 (2.15–2.34)

Immigrants of non-western descent

3.53 (3.50–3.56)

3.09 (3.06–3.12)

2.47 (2.45–2.49)

2.29 (2.26–2.31)

Descendants of non-western immigrants

10.38 (10.24–10.51)

6.07 (5.99–6.15)

5.79 (5.71–5.87)

5.26 (5.18–5.33)

Chronic diseases

Yes

Reference

Reference

Reference

Reference

No

1.58 (1.57–1.59)

1.04 (1.03–1.04)

1.16 (1.15–1.17)

1.09 (1.08–1.10)

History of SARS-CoV-2 infection

No history of SARS-CoV-2 infection before vaccination

Reference

Reference

Reference

-

Never PCR-tested

3.93 (3.89–3.96)

3.37 (3.34–3.40)

2.93 (2.90–2.96)

-

History of infection before vaccination

2.01 (1.99–2.02)

3.58 (3.55–3.61)

2.91 (2.88–2.93)

-

Educational level

Master or Ph.D.

Reference

Reference

Reference

Reference

Bachelor

1.29 (1.27–1.30)

1.54 (1.52–1.56)

1.48 (1.46–1.50)

1.49 (1.47–1.51)

Secondary school

2.29 (2.26–2.33)

2.44 (2.40–2.47)

1.92 (1.89–1.95)

1.86 (1.83–1.89)

Vocational education

1.37 (1.35–1.38)

2.17 (2.14–2.20)

2.27 (2.24–2.30)

2.25 (2.22–2.28)

Primary school

2.51 (2.48–2.54)

3.82 (3.77–3.87)

3.00 (2.96–3.04)

2.87 (2.83–2.91)

Disposable income

> 134,416 EUR

Reference

Reference

Reference

Reference

94,091–134,416 EUR

1.26 (1.18–1.34)

1.17 (1.10–1.24)

1.10 (1.04–1.18)

1.10 (1.03–1.17)

60,487 − 94,090 EUR

2.23 (2.11–2.36)

1.92 (1.82–2.03)

1.63 (1.54–1.72)

1.58 (1.49–1.67)

33,605 − 60,486 EUR

4.52 (4.29–4.77)

3.66 (3.47–3.86)

2.52 (2.38–2.66)

2.38 (2.25–2.51)

< 33,605 EUR

6.29 (5.97–6.64)

7.45 (7.06–7.86)

4.20 (3.97–4.43)

3.72 (3.52–3.93)

Geographical region

Capital Region of Denmark

Reference

Reference

Reference

Reference

Region Zealand

0.91 (0.91–0.92)

1.08 (1.07–1.09)

1.12 (1.11–1.13)

1.11 (1.10–1.12)

Northern Denmark Region

0.75 (0.75–0.76)

0.83 (0.82–0.83)

0.88 (0.87–0.89)

0.93 (0.92–0.94)

Central Denmark Region

0.75 (0.74–0.75)

0.78 (0.78–0.79)

0.82 (0.81–0.82)

0.83 (0.83–0.84)

Region of Southern Denmark

0.83 (0.82–0.83)

0.93 (0.92–0.93)

0.93 (0.92–0.94)

0.96 (0.95–0.97)

Marital status

With a partner

Reference

Reference

Reference

Reference

Divorced or widow/widower

1.26 (1.25–1.28)

1.84 (1.82–1.85)

1.66 (1.64–1.67)

1.65 (1.63–1.67)

Unmarried

3.36 (3.33–3.38)

1.92 (1.90–1.93)

1.85 (1.84–1.87)

1.75 (1.73–1.76)

Living alone

No

Reference

Reference

Reference

Reference

Yes

0.91 (0.90–0.91)

1.27 (1.26–1.28)

1.25 (1.24–1.26)

1.20 (1.19–1.21)