Table 1.

Age-sex distributions of the surveyed population and the general population in the study areas

Characteristics	Study population (n)	Percent (%)	General population (n)	Percent (%)
Age (years)
15-20	3278	19.4	1,112,751	16.5
21-40	9852	58.2	3,784,028	56.3
41-65	3070	18.1	1,469,929	21.9
>65	674	4.0	357,114	5.3
Missing	58	0.3
Sex
Male	5829	34.4	3,357,792	49.9
Female	11102	65.6	3,366,031	50.1
Missing	1	0.0		0.0
Total	16932	100	6,723,823	100