Workforce predictive risk modelling: development of a model to identify general practices at risk of a supply-demand imbalance

Gary Abel, Mayam Gomez-Cano, Navonil Mustafee, Andi Smart, Emily Fletcher, Chris Salisbury, Rupa Chilvers, Sarah Dean, Suzanne Richards, Fiona Warren, John Campbell

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

Objective. To develop a risk prediction model identifying general practices at risk of workforce supply–demand imbalance

Design. Secondary analysis of routine data on general practice workforce, patient
experience and registered populations (2012 to 2016), combined with a census of general practitioners’ career intentions (2016).

Setting/Participants. A hybrid approach was used to develop a model to predict workforce supply–demand imbalance based on practice factors using historical data (2012–2016) on all general practices in England (with over 1000 registered patients n=6,398). The model was applied to current data (2016) to explore future risk for practices in South-West England (n=368).

Primary outcome measure. The primary outcome was a practice being in a state of
workforce supply–demand imbalance operationally defined as being in the lowest third nationally of access scores according to the General Practice Patient Survey and the highest third nationally according to list size per full time equivalent GP (weighted to the demographic distribution of registered patients and adjusted for deprivation)

Results. Based on historic data, the predictive model had fair to good discriminatory ability to predict which practices faced supply–demand imbalance (area under the ROC curve 0.759). Predictions using current data suggested that, on average, practices at highest risk of future supply–demand imbalance are currently characterised by having larger patient lists, employing more nurses, serving more deprived and younger populations, and having considerably worse patient experience ratings when compared with other practices. Incorporating findings from a survey of GPs career intentions made little difference to predictions of future supply–demand risk status when compared with expected future workforce projections based only on routinely-available data on GPs’ gender and age.

Conclusions. It is possible to make reasonable predictions of an individual general practice’s future risk of undersupply of general practitioner workforce with respect to its patient population. However, the predictions are inherently limited by the data available.
Original languageEnglish
Article numbere027934
Number of pages12
JournalBMJ Open
Volume10
Issue number1
DOIs
Publication statusPublished - 23 Jan 2020

Keywords

  • primary care
  • workforce
  • supply-demand
  • organisation of care

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