Table 2: Knowledge about contraceptives.

-	Grade 8		Grade 12		Total
Knowledge of Female condom	Freq.	%	Freq.	%	Freq	%
Yes	94	29.4	14	9.1	108	22.8
No	226	70.6	140	90.9	366	77.2
Total	320	100	154	100	474	100
Knowledge of male condom
Yes	130	42.2	50	32.5	180	39.0
No	178	57.8	104	67.5	282	61.0
Total	308	100	154	100	462	100
Do condoms have expiry dates?
Yes	102	35.4	66	45.8	168	38.9
No	186	64.6	78	54.2	264	61.1
Total	288	100	144	100	432	100
Should new condoms be used always?
Yes	110	36.9	50	41.7	160	38.3
No	188	63.1	70	58.3	258	61.7
Total	298	100	120	100	418	100
Should condoms be used only once?
Yes	100	34.7	54	50.9	154	39.1
No	188	65.3	52	49.1	240	60.9
Total	288	100	106	100	394	100
Knowledge about female sterilization
Yes	2	0.6	2	1.3	4	0.8
No	346	99.4	156	98.7	502	99.2
Total	348	100	158	100	506	100
Knowledge about male sterilization
Yes	2	0.6	2	1.3	4	0.8
No	350	99.4	158	98.7	508	99.2
Total	352	100	160	100	512	100
Knowledge about IUCDs
Yes	2	0.6	0	0	2	0.4
No	348	99.4	160	100	508	99.6
Total	350	100	160	100	510	100
Knowledge about oral contraceptives
Yes	4	1.1	16	10.0	20	3.9
No	348	98.9	144	90.0	492	96.1
Total	352	100	160	100	512	100
Knowledge about side effects of contraceptives
Yes	4	1.1	18	11.2	22	4.3
No	344	98.9	142	88.8	486	95.7
Total	348	100	160	100	508	100