Table 1. Characteristics of study population.

	Number of respondents (n)	Proportion (%)
Gender	n = 2432
Male	1021	42
Female	1411	58
Age in complete years	n = 2549
12 Years	484	19
13 Years	306	12
14 years	357	14
15 years	357	14
16 years	230	9
17 years	331	13
18 years	484	19
Academic level	n = 2550
Standard 6	204	8
Standard 7	383	15
Form 1	357	14
Form 2	383	15
Form 3	357	14
Form 4	129	5
Form 5	537	21
Form 6	204	8
School Category	n = 68
Primary	22	32
Junior secondary	24	35
Senior secondary	22	32
City
Gaborone	1484	58
Francistown	1070	42