Binary logistic regression analysis between symptom severity score >18 (as dependent variable) and frequency of food intake (as independent variable)
| Food group | SARS-CoV-2 test result | |||
| Positive (n=103) | Negative (n=133) | |||
| Basic model | Multivariate model† | Basic model | Multivariate model† | |
| Milk and milk products | 0.95 (0.89 to 1.00) | 0.95 (0.89 to 1.01) | 0.99 (0.94 to 1.05) | 1.00 (0.94 to 1.05) |
| Fruit | 0.99 (0.96 to 1.03) | 1.00 (0.96 to 1.03) | 0.97 (0.95 to 1.02) | 0.97 (0.94 to 1.01) |
| Vegetables | 0.99 (0.97 to 1.02) | 1.00 (0.97 to 1.03) | 0.99 (0.97 to 1.02) | 1.00 (0.96 to 1.02) |
| Animal products | 0.97 (0.92 to 1.01) | 0.97 (0.92 to 1.03) | 1.02 (0.97 to 1.08) | 1.02 (0.96 to 1.08) |
| Legumes | 0.87 (0.76 to 0.99)* | 0.86 (0.74 to 0.99)* | 1.00 (0.90 to 1.12) | 1.04 (0.92 to 1.18) |
| Grains, bread and cereals | 0.92 (0.86 to 0.98)** | 0.91 (0.84 to 0.97)** | 1.03 (0.99 to 1.07) | 1.03 (0.99 to 1.07) |
| Corn-based products | 0.97 (0.90 to 1.06) | 0.98 (0.90 to 1.07) | 1.04 (0.99 to 1.10) | 1.04 (0.98 to 1.10) |
| Beverages | 0.99 (0.94 to 1.04) | 0.99 (0.94 to 1.05) | 1.03 (0.99 to 1.07) | 1.03 (0.99 to 1.07) |
| Fats and oil | 0.95 (0.89 to 1.03) | 0.95 (0.88 to 1.02) | 1.06 (1.00 to 1.12)* | 1.06 (0.99 to 1.12) |
| Hot peppers and sauce | 0.96 (0.90 to 1.03) | 0.96 (0.90 to 1.03) | 1.06 (1.00 to 1.11)* | 1.07 (1.01 to 1.14)* |
Results are shown as OR (95% CI).
*P< 0.05, **P<0.01.
†Multivariate models were adjusted for age, sex and occupation.