Dpartement fdral de lintrieur DFI Office fdral de
- Slides: 8
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS Record Linkage : a key and challenging process for CATI surveys. ESSnet on Data Integration, Neuchâtel Christian Panchard and Claude Joye , SFSO February 11, 2011
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS Outline 1. Telephone sampling frame CASTEM (up to now); 2. Persons register-based frame : SRPH (new); 3. Link between the two frames : 4. 5. 6. - Objectives; - Problems; - Solutions. 7. 4. First conclusions / Discussion. Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 2
Eidgenössisches Departement des Innern Département fédéral de l’intérieur DFI EDI Bundesamt für Statistik BFS Office fédéral de la statistique OFS 1. CASTEM : fixed telephone numbers and households overcoverage undercoverage Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 3
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS 2. Register-based sampling frame SRPH (persons) SRPH Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 1 Persons 2 Household forming 4
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS 3. Link between the two frames SRPH CASTEM Advantages Drawbacks CASTEM Undercoverage Direct usage for CATI surveys (Overcoverage) No auxiliary information SRPH Almost perfect coverage Auxiliary information Target population/stratification AIM : → Not directly designed to perform CATI surveys Draw samples in SRPH and get telephone numbers in CASTEM for CATI surveys. Link through name, first name and address (IIR). Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 5
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS SRPH 1 Sample of persons 2 Household forming 3 Matching with CASTEM ? Accessible through a fixed telephone Not accessible through a fixed telephone Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 6
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS PROBLEMS : - Standardisation before applying the matching program; - Misspeling in the name, first name or/and address; - Household forming (building and dwelling link in person data); - Matching pair wrong! - Undercoverage (CASTEM); Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 7
Département fédéral de l’intérieur DFI Office fédéral de la statistique OFS SOLUTIONS : - Fine tuning of the program IIR (cascade strategy); - Further develop the quality of household forming; - Use of alternative modes for conducting the surveys; - Compute (estimate) the false matching pairs. Record Linkage /ESSnet / Neuchâtel / February 11, 2011 Ch. Panchard 8
