Table 1.

Sample distribution

	N	%
Sex
Male	936	53
Female	813	47
School grade
Grade 5	523	30
Grade 7	669	38
Grade 9	557	32
Geographical location
Urban	1350	77
Rural	399	23
Wave
1	1384	79
2	1533	88
3	1384	79
4	1687	96
5	1615	92
6	1571	89
Number of waves completed by participants
1	0	0
2	20	1
3	205	12
4	160	9
5	302	17
6	1062	61