Table 5

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.