1. Replacing a Survey with Administrative Data
Toward a more accurate, quicker and cheaper data collection method
Gergely Horváth
Hungarian Central Statistical Office

2. At the doctor This is the phenomenon which we observe Record is made
Date
Medicines
Diagnoses
Etc. (if insurance valid)
Regular reports

3. Regular reports Survey of GPs’ services The B300 report Annual survey
Summaries
Issues covered
Patient flow of the GPs’ services
Number and demographics of patients registered to the services
Data collection
Mail or
The B300 report
Core: patient flow register of the doctors
Compulsory, sent electronically
Mainly for accounting purposes
Basic data
Internal checks
NHIFA: National Health Insurance Fund Administration

4. The way of the data Doctor’s register B300 report Stat. report NHIFA
HCSO

5. Issues
Editing, consistency checking
Estimations
Linkage

6. Editing, consistency checking
Comparison of the editing methodologies of the two surveys
Enumerating the additional editing checks needed to assure the high quality of the NHIFA data
From manual to automatic, or can we totally skip the editing process?
Simulating the data processing methods of the HCSO on the datasets of NHIFA

7. Estimations Having two data sources for the same figures
Describing the differences in the results
Analyzing the causes of the most critical discrepancies

8. Linkage Microdata based comparison Identifiers Differences in the data
ID numbers of the GP service
2 type, same length
Name of the doctor, address
Differences in the data
Register and data cleaning issues

9. Acknowledgements Erzsébet Kómár NHIFA Zoltán Csereháti
Ildikó Ferencz-Kiss

10. Thank you for your attention!