Selectivity Processes in and Weights for the Berlin Aging Study II (Base-II)

31 Pages Posted: 10 Dec 2013

See all articles by Denise Sassenroth

Denise Sassenroth

German Institute for Economic Research (DIW Berlin)

Martin Kroh

German Institute for Economic Research (DIW Berlin) - German Socio Economic Panel

Gert G. Wagner

German Institute for Economic Research (DIW Berlin); Berlin University of Technology; German Socio-Economic Panel Study (SOEP)

Date Written: December 2013

Abstract

Like many medical studies, the Berlin Aging Study II (BASE‐II) is based on a non‐random "convenience sample" of self‐recruited participants. To study processes of selectivity in BASE‐II, we used an identical questionnaire to compare BASE‐II with a large, representative reference study, the German Socio‐Economic Panel (SOEP), thereby allowing differences in characteristics of participants in BASE‐II and SOEP to be analyzed easily. Based on this selectivity analysis, we then generated propensity score weights that adjust for the selectivity in the BASE‐II survey. In addition, we adjusted the weights of the BASE‐II sample to regional information from the Federal Statistical Office so that the BASE‐II study has the same totals as the official statistics.

Keywords: Convenience Sample, Selectivity, Weighting, Berlin Aging Study II, BASE‐II, SOEP

JEL Classification: C18, C23, C8, I1

Suggested Citation

Sassenroth, Denise and Kroh, Martin and Wagner, Gert G., Selectivity Processes in and Weights for the Berlin Aging Study II (Base-II) (December 2013). SOEPpaper No. 608, Available at SSRN: https://ssrn.com/abstract=2365707 or http://dx.doi.org/10.2139/ssrn.2365707

Denise Sassenroth (Contact Author)

German Institute for Economic Research (DIW Berlin) ( email )

Mohrenstraße 58
Berlin, 10117
Germany

Martin Kroh

German Institute for Economic Research (DIW Berlin) - German Socio Economic Panel ( email )

DIW Berlin
Berlin, Berlin 14191
Germany

Gert G. Wagner

German Institute for Economic Research (DIW Berlin) ( email )

Mohrenstraße 58
Berlin, 10117
Germany
+49 30 8 978 9290 (Phone)
+49 30 8 978 9200 (Fax)

HOME PAGE: http://www.diw.de/programme/jsp/MA.jsp?language=en&uid=gwagner

Berlin University of Technology ( email )

Straße des 17
Berlin, 10623
Germany
+30 8 978 9283 (Phone)

German Socio-Economic Panel Study (SOEP) ( email )

DIW Berlin
10108 Berlin, Berlin
Germany
+49 30 8978 9290 (Phone)
+49 30 8978 9109 (Fax)

HOME PAGE: http://www.diw/en/soep

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