Table 1.

Clinical and demographic characteristics of the study population

Parameter			n (%)
Age		<10	143 (37.4)
		≥10	239 (62.6)
		Total	382
Gender		M	191 (50.0)
		F	191 (50.0)
		Total	382
School		EP Matta Barrage	220 (57.6)
		EP Matta village	109 (28.5)
		EP Manbonko Bord	53 (13.9)
		Total	382
Clinical presentation	Pain on urination	Yes	64 (16.8)
		No	318 (83.2)
		Total	382
	Increased frequency of urination	Yes	91 (23.8)
		No	291 (76.2)
		Total	382
	Haematuria	Yes	125 (32.7)
		No	257 (67.3)
		Total	382
Frequent contact with dam water		Yes	221 (57.9)
		No	161 (42.1)
		Total	382