Table 3.

Sample: Cohort groups

Gender	Cohort group
	1	2	3	4	5	6	Total
Female	880	537	598	0	0	0	2015
Male	0	0	0	197	161	179	537
Total	880	537	598	197	161	179	2552

Cohort groups: 1 = females at the age of 18–25 years; 2 = females 26–44  years; 3 = females 45+  years; 4 = males 18–25 years; 5 = males 26–44 years; 6 = males 45+ years