Community-based cross-sectional seroprevalence study of hepatitis A in Bangladesh

Table 1 Group definition based on age and socioeconomic status classification

Socioeconomic status	Definition	Age group (yr)					Overall (n)
		1-5	6-10	11-20	21-30	> 30
High	High socio-economic group of subjects from Popular Diagnostic Centre	81	NA	NA	38	32	151
High	High socio-economic group of subjects from urban private schools	NA	83	89	NA	NA	172
Lower middle	Lower middle socio-economic group of subjects from urban government schools	NA	83	89	NA	NA	172
Rural lower middle	Lower middle socio-economic group of subjects from rural schools	NA	78	94	NA	NA	172
Low	Low socio-economic group of subjects from Dhaka Shishu Hospital	80	NA	NA	39	32	151
Total		161	244	272	77	64	818

NA: Not available; n: Total number of subjects.