Cargando…
Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data
OBJECTIVE: QoL data were routinely collected in a randomised controlled trial (RCT), which employed a reminder system, retrieving about 50% of data originally missing. The objective was to use this unique feature to evaluate possible missingness mechanisms and to assess the accuracy of simple imputa...
Autores principales: | Fielding, Shona, Fayers, Peter M, McDonald, Alison, McPherson, Gladys, Campbell, Marion K |
---|---|
Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2008
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2531086/ https://www.ncbi.nlm.nih.gov/pubmed/18680574 http://dx.doi.org/10.1186/1477-7525-6-57 |
Ejemplares similares
-
The use of multiple imputation (MI) in cluster randomised trials with suspected missing not at random (MNAR) outcome
por: Playle, Rebecca, et al.
Publicado: (2015) -
Heckman imputation models for binary or continuous MNAR outcomes and MAR predictors
por: Galimard, Jacques-Emmanuel, et al.
Publicado: (2018) -
Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches
por: Fielding, Shona, et al.
Publicado: (2009) -
A review of RCTs in four medical journals to assess the use of imputation to overcome missing data in quality of life outcomes
por: Fielding, Shona, et al.
Publicado: (2008) -
Assumptions and analysis planning in studies with missing data in multiple variables: moving beyond the MCAR/MAR/MNAR classification
por: Lee, Katherine J, et al.
Publicado: (2023)