Missing data in a multi-item instrument were best handled by multiple imputation at the item score level

Iris Eekhout, Henrica C. W. de Vet, Jos W. R. Twisk, Jaap Brand, Michiel R. de Boer, Martijn W. Heymans

Journal of Clinical Epidemiology · 2013 · 303 citations · 29 references

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