Table 3

Frequency of food consumption according to self-reported dietary pattern and COVID-19 diagnoses

Dietary pattern
Frequency of food groups intakeOmnivorous
(n=424)
P valueVegetarian (vegan+lacto-ovo-vegetarian) (n=191)P valueFlexitarian
(n=87)
P value
Control (n=205)COVID (n=219)Control (n=115)COVID (n=76)Control (n=52)COVID (n=35)
Cereals
 ≤1 times/week16 (7.9)13 (5.9)0.3396 (5.3)5 (6.6)0.0814 (7.7)3 (8.6)0.071
 2–4 times/week39 (19.3)33 (15.1)7 (6.1)12 (15.8)15 (28.9)3 (8.6)
 ≥5 times/week147 (72.8)172 (78.9)101 (88.6)59 (77.6)33 (63.5)29 (82.8)
Beans
 ≤1 times/week42 (20.8)62 (28.4)0.1002 (1.8)2 (2.6)0.89712 (23.1)5 (14.3)0.439
 2–4 times/week59 (29.2)48 (22.0)11 (9.7)8 (10.5)17 (32.7)10 (28.6)
 ≥5 times/week101 (50.0)108 (49.5)101 (88.6)66 (86.8)23 (44.2)20 (57.1)
Fruits
 ≤1 times/week33 (16.2)41 (18.7)0.7758 (6.9)4 (5.3)0.57113 (25.0)6 (17.1)0.293
 2–4 times/week56 (27.5)60 (27.4)10 (8.7)10 (13.2)8 (15.4)10 (28.6)
 ≥ 5 times/week115 (56.4)118 (53.9)97 (84.4)62 (81.6)31 (59.6)19 (54.3)
Vegetables
 ≤1 times/week39 (19.1)36 (16.4)0.7001 (0.9)3 (3.9)0.327 *9 (17.3)4 (11.4)0.744*
 2–4 times/week54 (26.5)64 (29.2)4 (3.5)4 (5.3)12 (23.1)10 (28.6)
 ≥5 times/week111 (54.4)119 (54.3)110 (95.7)69 (90.8)31 (59.6)21 (60.0)
Nuts and Seeds
 ≤1 times/week149 (73.0)170 (77.9)0.47137 (32.2)27 (35.5)0.79132 (61.5)23 (65.7)0.713
 2–4 times/week28 (13.7)26 (11.9)30 (26.1)21 (27.6)11 (21.2)5 (14.3)
 ≥5 times/week27 (13.2)22 (10.1)48 (41.7)28 (36.8)9 (17.3)7 (20.0)
Vegetable oils
 ≤1 times/week58 (28.4)76 (34.7)0.38017 (14.8)14 (18.4)0.77718 (34.6)11 (31.4)0.792
 2–4 times/week48 (23.6)48 (21.9)9 (7.8)5 (6.6)11 (21.2)6 (17.1)
 ≥5 times/week98 (48.0)95 (43.4)89 (77.4)57 (75.0)23 (44.2)18 (51.4)
Dairy
 ≤1 times/week35 (17.2)33 (15.1)0.25077 (66.9)42 (56.0)0.09321 (46.2)7 (20.0)0.044
 2–4 times/week45 (22.2)64 (29.2)17 (14.8)9 (12.0)11 (21.2)11 (31.4)
 ≥5 times/week123 (60.6)122 (55.7)21 (18.3)24 (32.0)17 (32.7)17 (48.6)
Eggs
 ≤1 times/week65 (31.9)67 (31.0)0.97575 (65.8)42 (56.0)0.24614 (26.9)10 (28.6)0.729
 2–4 times/week71 (34.8)75 (34.7)21 (18.4)14 (18.7)19 (37.5)15 (42.9)
 ≥5 times/week68 (33.3)74 (34.3)18 (15.8)19 (25.3)19 (36.6)10 (28.6)
Meats (red, processed, poultry, fish and seafood)
 ≤1 times/week13 (6.3)7 (3.2)0.14000NA19 (36.5)15 (42.9)0.655*
 2–4 times/week54 (26.3)48 (21.9)0033 (63.5)20 (57.1)
 ≥5 times/week138 (67.4)164 (74.9)0000
Sweets and desserts
 ≤1 times/week87 (42.7)65 (29.8)0.00546 (40.0)25 (32.9)0.60524 (46.2)12 (34.3)0.399
 2–4 times/week54 (26.5)87 (39.9)33 (28.7)25 (32.9)14 (26.9)9 (25.7)
 ≥5 times/week63 (30.9)66 (30.3)36 (31.3)26 (34.2)14 (26.9)14 (40.0)
  • *Fisher’s exact test.

  • NA, not applicable.