Variable	General			Group 1			Group 2			Group 3			Chi² test
Variable	n	%	CI	n	%	CI	n	%	CI	n	%	CI	Chi² test
Hand washing moments
Before eating	660	96.36a	1.43	230	97.39a	2.06	187	95.19a	3.07	243	96.3a	2.37	NS
After eating	660	74.24b	3.34	230	77.83a	5.37	187	76.47a	6.08	243	69.14a	5.81	NS
After using the toilet	660	66.36c	3.60	229	69.57a	5.96	187	72.19a	6.42	243	58.85b	6.19	**
Before preparing food	660	30.45d	3.51	230	30.87a	5.97	187	28.34a	6.46	243	31.69a	5.85	NS
Hand washing products
Soap	688	86.63b	2.54	238	87.39a	4.22	197	85.28a	4.95	253	86.96a	4.15	NS
Water	688	96.8a	1.32	238	96.22a	2.42	197	96.45a	2.58	253	97.63a	1.87	NS
Other	688	0.58c	0.57	238	1.26a	1.42	197	0a	0.00	253	0.4a	0.78	NS