Table 4. The extent of diarrhoea vis-à-vis the quality of drinking water of the study subjects.

Class of water	Diarrhea Present		Diarrhea Absent		Total		Test of Significance
	Number (37)	Percent	Number	Percent	Number	Percent	x2 = 13.42        Df = 3     P = 0.004
Highly satisfactory	7	12.7	48	87.3	55	100
Satisfactory	12	30.7	27	69.3	39	100
Suspicious	8	44.4	11	55.6	18	100
Unsatisfactory	10	50.0	10	50	20	100