PRJ2282/201491: CHESS: CPRD-COPD Hawthorne Effect Study in Salford: A UK cohort study to characterise patients enrolled in the Salford Lung Study and to evaluate a potential Hawthorne effect

ENCePP Code of conduct

No

ENCePP Seal

This study has been awarded the ENCePP seal

Conflicts of interest of investigators

CoI of investigators

Composition of steering group and observers

CHESS scientific committee

Data sources

• Data source(s):
  Clinical Practice Research Datalink
• Data source(s), other:
  Salford Lung Study (SLS) trial data United Kingdom, SIR
• Data sources (types):
  Electronic healthcare records (EHR)

  Other
• Data sources (types), other:
  Prospective patient-based data collection

Use of a Common Data Model (CDM)

• CDM mapping:
  No

Data quality specifications

• Check conformance:
  Unknown
• Check completeness:
  Unknown
• Check stability:
  Unknown
• Check logical consistency:
  Unknown

Data characterisation

• Data characterisation conducted:
  No