Table 1.

Prevalence of HBsAg seropositivity by age

Age groups	Participant number	HBsAG seropositive participants	HBSAg seropositivity	95 % CI (%)
21 - 30	508	6	1.18	0.43-2.55
31 - 40	910	23	2.53	1.61-3.77
41 - 50	1559	43	2.76	2.00-3.70
51 - 60	2175	63	2.90	2.23-3.69
61 - 70	1359	28	2.06	1.37-2.96
71 - 100	584	8	1.37	0.59-2.68