This paper examines and applies methods for modelling longitudinal binary data subject to both intermittent missingness and dropout. The paper is based around the analysis of data from a study into the health impact of a sanitation programme carried out in Salvador, Brazil. Our objective was to...

Important efforts are being made to reduce human exposure to toxic heavy metals like Cd, Pb, Cr (VI) and organo-tin compounds. For example, EU has adopted restrictions on using toxic compounds in consumer products since the late 1980s. Large shares of toxic heavy metal in municipal solid waste...