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.