Ephrem Tefera, Jemal Mohammed, Habtamu Mitiku
Intestinal helminthic infections among elementary students of Babile town, eastern Ethiopia
The Pan African medical journal
provide conceptual introductions missingness mechanismsmissing completely random missing random missing randomand stateoftheart methods handling missing datafullinformation maximum likelihood multiple imputationfollowed discussion planned missing designs multiform questionnaire protocols 2method measurement models wavemissing longitudinal designs reviewed 80 articles empirical studies published 2012 issues journal pediatric psychology present picture adequately missing data currently handled field illustrate benefits using multiple imputation fullinformation maximum likelihood incorporating planned missingness study designs provide example analyses empirical data gathered using 3form planned missing design