Table 1. Numbers and percentages of persons positive for hepatitis B surface antibody, by age and gender.

Age range (years)	Positivity
	Males		Females		Total (%)
	Total (no.)	Positive (no. (%))	Total (no.)	Positive (no. (%))
0–10	233	14 (6.01)	233	8 (3.43)	4.72
11–18	131	14 (10.69)	229	15 (6.55)	8.06
19–35	934	146 (15.63)	1132	145 (12.81)	14.09
36–49	452	99 (21.90)	412	47 (11.41)	16.90
350	170	20 (11.76)	142	20 (14.08)	12.82
Total	1920	293 (15.26)	2148	235 (10.94)	12.98