Personal

N

Healthy

Sick

Qualification

Sandwich

375

336 (89.6%)

39 (10.4%)

8.27 ± 1.91

Pizza

157

127 (80.9%)

30 (19.1%)

7.82 ± 2.18

Pasty

82

71 (86.9%)

11 (13.4%)

8.14 ± 2.09

Biscuits

167

149 (89.2%)

18 (10.8 %)

8.20 ± 2.20

Beer

63

56 (88.9%)

7 (11.1%)

7.89 ± 2.24

Bread

180

150 (83.3%)

30 (16.7%)

7.99 ± 2.15

Nothing

28

24 (85.7%)

4 (14.3%)

8.21 ± 2.27