Journal article

Multiple imputation was an efficient method for harmonizing the Mini-Mental State Examination with missing item-level data

Richard A Burns, Peter Butterworth, Kim M Kiely, Allison AM Bielak, Mary A Luszcz, Paul Mitchell, Helen Christensen, Chwee Von Sanden, Kaarin J Anstey

Journal of Clinical Epidemiology | ELSEVIER SCIENCE INC | Published : 2011


Awarded by National Health and Medical Research Council (NHMRC)

Awarded by NHMRC

Funding Acknowledgements

This work was supported by the National Health and Medical Research Council (NHMRC), grant no. 410215. The data on which this research is based were drawn from several Australian longitudinal studies including the Australian Longitudinal Study of Aging, Australian Longitudinal Study of Women's Health, Australian Diabetes, Obesity and Lifestyle Study, Blue Mountain Eye Study, Canberra Longitudinal Study of Aging, Household, Income and Labor Dynamics in Australia study, Melbourne Longitudinal Studies on Healthy Aging, Personality And Total Health Through Life Study, and the Sydney Older Persons Study. These studies were pooled and harmonized for the Dynamic Analyses to Optimise Aging (DYNOPTA) project. DYNOPTA was funded by an NHMRC grant (grant no. 410215). All studies would like to thank the participants for volunteering their time to be involved in the respective studies. Details of all studies contributing data to DYNOPTA, including individual study leaders and funding sources, are available on the DYNOPTA Web site ( The findings and views reported in this article are those of the authors and not those of the original studies or their respective funding agencies. Kaarin Anstey was funded by an NHMRC fellowship no. 366756. Peter Butterworth was supported by an NHMRC Career Development Award no. 525410. Allison Bielak was supported by a Canadian Institutes of Health Research postdoctoral fellowship. The authors thank Prof T. Broe for having read and commented on an earlier version of the manuscript.