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Longitudinal analysis of the NMDS-SC Individual and provision data records


During 2010 the Social Care Workforce Research Unit started examining the possibility of linking individual workers’ records from different National Minimum Data Set for Social Care (NMDS-SC) datasets from as early as December 2007. Longitudinal analysis will provide great insight into changes in the social care workforce both at individual and organisational levels. Research questions related to longitudinal records will be based on previous analyses and identified knowledge gaps. Some of the suggested analysis will relate to the overall trends within the workforce, changes at local area levels, changes in nature of provision of social care and job mobility, and career development of the social care workforce.


Dr Shereen Hussein


Department of Health (core funding)


To date, longitudinal records from the NMDS-SC have been extracted for analysis using 18 pairs of datasets using a design employing different statistical, software engineering and information technology skills. Due to the accumulative and expandable nature of the NMDS-SC, efforts to construct longitudinal records will be continuous, with new returns reflecting new employers’ data as well as returns containing new information on existing employers’ workforces. The longitudinal structure will thus be cumulative in nature with new data being added every three months. Analyses of longitudinal records will employ techniques suitable for these data and will take into account both the longitudinal as well as the truncated nature of data.




See: Analysis Report pages.

Analysis Report 1

Hussein, S. & Manthorpe, J. (2011) 'Longitudinal Changes in Care Worker Turnover and Vacancy Rates and Reasons for Job Leaving in England (2008-2010)', London: Social Care Workforce Research Unit, King's College London.


Hussein, S. (2012) 'Pay differentials in the low paid employment of social care' [pdf, 1.5 MB], Low Pay Commission Annual Research Workshop, London, 10 October. This presentation both reports on the Secondary data analysis study and introduces this study.

Associated work

Hussein, S. (2012) 'Longitudinal workforce analysis using routinely collected data: challenges and possibilities' [ppt, 4.09 MB], Using Longitudinal Data Sources in Social Care Research: insights, challenges and ways forward, A workshop hosted by NIHR School for Social Care Research and Longview. London School of Economics, London, 29 May.

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