Table 2.

Bivariate analysis of foods consumed during lunch on 20/08/2014 at Ikhwezi Training Centre, Bulawayo City, 2014

Food item	Consumed			Not consumed			RR	95 % CI
	Ill	Not ill	Attack rate (%)	Ill	Not ill	Attack rate (%)
Sadza	35	13	72	18	8	69	1.05	0.77–1.43
Rice	34	13	72	19	8	70	1.02	0.76–1.39
Stewed chicken	47	9	84	6	12	33	2.52	1.30–4.89
Roasted chicken	23	13	64	30	8	79	0.81	0.60–1.09
Green beans	19	8	70	34	13	72	0.97	0.72–1.32
Green veg.	31	14	69	22	7	76	0.91	0.68–1.21
Carrots	14	6	70	39	15	72	0.97	0.70–1.35
Cabbage	21	7	75	32	14	70	1.08	0.81–1.44
Jelly	25	11	69	28	10	74	0.94	0.71–1.26
Fruit cocktail	10	4	71	43	17	72	0.99	0.69–1.44
Custard	28	10	74	25	11	69	1.06	0.80–1.42
Ice cream	21	7	75	32	14	70	1.08	0.81–1.44
Bottled water	43	21	67	10	0	100	0.67	0.57–0.79
Municipal water	5	3	63	48	18	72	0.86	0.49–1.50