Journal article

The Symbol Digit Modalities Test: Normative Data from a Large Nationally Representative Sample of Australians

Kim M Kiely, Peter Butterworth, N Watson, Mark Wooden

Archives of Clinical Neuropsychology | Oxford University Press (OUP) | Published : 2014

Abstract

Data from the Household, Income and Labour Dynamics in Australia (HILDA) Survey were used to calculate weighted norms for the written version of the Symbol Digits Modalities Test (SDMT) by gender, 5-year age groups and four levels of educational attainment. The sample comprised 14,456 Australians (47% male; age range 15–100), of whom 25% reported a tertiary qualification, 30% reported a technical qualification (diploma or trade certificate), 16% reported completing Year 12 (final year of high school), and 29% reported their highest level of educational attainment to be Year 11 or below. Participants were excluded if they reported physical or neurological conditions that limited performance. ..

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Grants

Awarded by Alzheimer's Australia Dementia Research Foundation (AADRF)


Awarded by Australian Research Council (ARC) Future Fellowship


Funding Acknowledgements

KK is supported by an Alzheimer's Australia Dementia Research Foundation (AADRF) Fellowship (#DGP13F00005). PB is supported by Australian Research Council (ARC) Future Fellowship (#FT130101444). This paper uses unit record data from the Household, Income and Labour Dynamics in Australia Survey, a project initiated and funded by the Australian Government Department of Social Services (DSS) and managed by the Melbourne Institute of Applied Economic and Social Research. The findings and views reported in this paper, however, are those of the authors and should not be attributed to either DSS or the Melbourne Institute. The data are available for research purposes under license. Details of how to obtain the data can be found at http://melbourneinstitute.com/hilda/.