The use of theh ouseholda sset indexi n 2009
as the equitys tratifiewr as a majors trengthof
thiss tudy.T he asset index quintilesh ave been
commonlya pplied in the equitya nalysis with
respectt o an economicg radientf, ore xamplei n
an assessmento f unwantedb irthsa nd contraceptive