Food Items Cases Controls OR* CI$ P value
    N (%)      
Breakfast Steamed rice (B) 66 (79.5%) 54 (69.2%) 1.7 0.8- 3.5 0.134
Fried black tuna 42 (51.2%) 45 (58.4%) 0.74 0.4-1.4 0.36
Fried egg plant 53 (64.4%) 43 (55.1%) 1.48 0.8- 2.8 0.22
Lunch Steamed rice(L) 78 (94.0%) 53 (67.1%) 7.6 2.8-21.2 <0.001
Roasted Buttered Chicken 68 (81.9%) 56 (71.8%) 1.78 0.8-3.7 0.127
Sinigang Soap 48 (59.3%) 32 (42.1%) 2.0 1.0 - 3.7 0.32
Dinner Steamed rice (D) 79 (94.0%) 36 (45.6%) 19.4 6.8- 51.6 <0.001
Beef stick 71 (84.5%) 34 (43.6%) 7.1 3.3- 14.8 <0.001
Steamed vegetables 37 (46.8%) 17 (21.8%) 3.2 1.4- 5.8 0.002
Macaroni salad 82 (97.6%) 21 (27.3%) 109.3 25- 484 <0.001
* Odds Ratio
$ Confidence Interval
Table 2: Comparison of Food exposure between cases and controls with Odds Ratio and Confidence Interval.