(a).

Variable	No of respondents (n)	Percentage (%)
Gender
Male	207	45
Female	250	55
Age (years)
9–11	166	36
12–13	238	53
14–16	49	11
Grade
4	92	20
5	111	24
6	132	29
7	123	27
School
A	91	20
B	133	29
C	150	33
D	84	18
Toilet at home
Yes	449	98
No	9	2
Where is the toilet
Inside	302	68
Outside	144	32
Slow-moving water near house
Yes	136	30
No	322	70