Table A4.

Description of socioeconomic groups, Peru 1985

	Low SES (n=33) (%)	Middle SES (n=35) (%)	High SES (n=37) (%)
Maternal primary education incomplete	57.5	28.6	18.9
Maternal primary school complete	18.2	31.4	45.9
Maternal secondary education started or complete	24.2	40	35.1
Defecates in fields	81.1	20.0	2.72
Defecates in outhouse, bucket, bag or other not latrine	6.06	34.3	10.8
Indoor latrine	12.1	45.7	86.5
Three to five people per house	45.5	48.6	16.2
Six to seven people per house	39.4	40.0	35.1
Eight or more people per house	15.5	11.4	48.7