Ethnic disparities in diabetes management and pay-for-performance in the UK: The Wandsworth Prospective Diabetes Study
2007

Ethnic Disparities in Diabetes Management in the UK

Sample size: 4284 publication 10 minutes Evidence: moderate

Author Information

Author(s): Christopher Millett, Jeremy Gray, Sonia Saxena, Gopalakrishnan Netuveli, Kamlesh Khunti, Azeem Majeed

Primary Institution: Wandsworth Primary Care Research Centre, Wandsworth Primary Care Trust, London, United Kingdom

Hypothesis

Can pay-for-performance improve quality and reduce health disparities in diabetes management?

Conclusion

Pay-for-performance incentives have not addressed disparities in the management and control of diabetes between ethnic groups in the UK.

Supporting Evidence

  • Overall, more patients met their treatment targets after the introduction of pay-for-performance management.
  • Improvements in diabetes management were not uniform across all ethnic groups.
  • The black Caribbean group showed significantly less improvement in HbA1c and BP control compared to the white British group.
  • Variations in prescribing and achievement of treatment targets between ethnic groups persisted.

Takeaway

The study looked at how well different ethnic groups manage diabetes after a new payment system for doctors was introduced, and found that while overall care improved, some groups still lagged behind.

Methodology

A population-based longitudinal survey using electronic general practice records in an ethnically diverse area.

Potential Biases

Potential under-recording of diabetes cases and variability in data accuracy.

Limitations

The study design was observational with no control group, limiting causal inferences.

Participant Demographics

Participants included 2,227 men and 2,057 women, with a diverse ethnic composition.

Statistical Information

P-Value

p=0.005

Confidence Interval

95% CI 0.57–0.97 for HbA1c improvement in black Caribbean group

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pmed.0040191

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