Table 4 Odds ratio (95% CI) for sociodemographic predictors of severe COVID-19 in matched analyses
Non-complete data | Complete data for all adjusting variables | |||
|---|---|---|---|---|
Model 1 | Model 1 | Model 2 | Model 3 | |
OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Educational level, cases/controls | 853/3,404 | 490/3,401 | 490/3,401 | 490/3,401 |
University | 1 (ref) | 1 (ref) | 1 (ref) | 1 (ref) |
High school/Voc. Education | 1.29 (1.06 to 1.56) | 1.32 (1.03 to 1.69) | 1.37 (1.06 to 1.76) | 1.20 (0.92 to 1.56) |
Elementary school | 2.07 (1.60 to 2.68) | 2.10 (1.51 to 2.90) | 2.07 (1.49 to 2.88) | 1.81 (1.28 to 2.54) |
Civil status, cases/controls | 856/3,421 | 490/3,401 | 490/3,401 | 490/3,401 |
Married/co-habitat | 1 (ref) | 1 (ref) | 1 (ref) | 1 (ref) |
Single/divorced/widower | 0.97 (0.83 to 1.13) | 0.99 (0.81 to 1.21) | 1.01 (0.83 to 1.24) | 1.03 (0.84 to 1.27) |
Country of birth, cases/controls | 857/3,426 | 490/3,401 | 490/3,401 | 490/3,401 |
Sweden | 1 (ref) | 1 (ref) | 1 (ref) | 1 (ref) |
Else | 2.50 (2.04 to 3.07) | 2.57 (1.98 to 3.33) | 2.57 (1.98 to 3.34) | 2.58 (1.97 to 3.38) |
Occupation group, cases/controls | 813/3,236 | 471/3,224 | 471/3,224 | 471/3,224 |
White collar High skilled | 1 (ref) | 1 (ref) | 1 (ref) | 1 (ref) |
White collar Low skilled | 1.44 (1.16 to 1.78) | 1.43 (1.09 to 1.88) | 1.16 (0.87 to 1.54) | 1.04 (0.77 to 1.39) |
Blue collar High skilled | 1.30 (1.03 to 1.64) | 1.31 (0.96 to 1.77) | 0.99 (0.72 to 1.37) | 0.95 (0.68 to 1.32) |
Blue collar Low skilled | 1.07 (0.86 to 1.34) | 1.24 (0.94 to 1.64) | 0.86 (0.63 to 1.18) | 0.81 (0.59 to 1.12) |
Income, thousands Swedish crowns, cases/controls | 857/3,426 | 490/3,401 | 490/3,401 | 490/3,401 |
Q4 | 1 (ref) | 1 (ref) | 1 (ref) | 1 (ref) |
Q3-Q2 | 0.97 (0.80 to 1.18) | 1.11 (0.85 to 1.45) | 0.89 (0.67 to 1.17) | 0.82 (0.60 to 1.23) |
Q1 | 1.32 (1.04 to 1.68) | 1.45 (1.05 to 1.99) | 1.00 (0.71 to 1.42) | 0.82 (0.62 to 1.09) |