Fall Risk Increasing Drugs: The Effect on Injuries of the Frail Elderly Estimated from Administrative Data

16 Pages Posted: 4 Jan 2012

See all articles by Thomas K. Bauer

Thomas K. Bauer

Rhine-Westphalia Institute for Economic Research (RWI-Essen); University of Bochum - Faculty of Economics; IZA Institute of Labor Economics

Katharina Lindenbaum

affiliation not provided to SSRN

Magdalena A. Stroka

Rhine-Westphalia Institute for Economic Research (RWI-Essen); Ruhr University of Bochum - Faculty of Economics; WINEG Scientific Institute of TK for Benefit and Efficiency in Health Care

Date Written: December 1, 2011

Abstract

Society benefits on a large scale from improved medical care and pharmaceuticals. The prescription of pharmaceuticals, however, also carries risks such as the possibility of an increased risk of falls, which may lead to severe injuries and increased health expenditures associated with these injuries. This study investigates the influence of several fall risk increasing drugs (FRIDs) on the number of injuries of elderly persons using multivariate regression models. Routine data from the Techniker Krankenkasse (TK) of frail elderly persons aged ≥ 65 years is analyzed for the year 2009 by estimating count data models, in order to take the data generating process of the number of injuries into account. The results of the count data model are compared to those from logistic regressions, which is the default regression model in this field of research. The empirical results suggest that antidepressants, anxiolytics, hypnotics and sedatives, anti-arrhythmics, and drugs from the Priscus-list have a significant positive effect on the number of injuries, while anti-hypertensives and anti-parkinsonian agents show no and neuroleptics a significant negative effect. As recurrent injuries are common, the analysis of the number of injuries rather than just the probability of having an injury provides a more informative analysis of FRIDs.

Keywords: fall risk increasing drugs, Priscus-list, frail elderly, multivariate regression, count data models

JEL Classification: I12, I19

Suggested Citation

Bauer, Thomas K. and Lindenbaum, Katharina and Stroka, Magdalena A., Fall Risk Increasing Drugs: The Effect on Injuries of the Frail Elderly Estimated from Administrative Data (December 1, 2011). Available at SSRN: https://ssrn.com/abstract=1978703 or http://dx.doi.org/10.2139/ssrn.1978703

Thomas K. Bauer

Rhine-Westphalia Institute for Economic Research (RWI-Essen) ( email )

Hohenzollernstr. 1-3
Essen, 45128
Germany
+49 201 8149 264 (Phone)
+49 201 8149 284 (Fax)

HOME PAGE: http://www.rwi-essen.de

University of Bochum - Faculty of Economics ( email )

Universitätsstraße 150
Gebäude GC, Ebene 3, Raum 58
D-44780 Bochum
Germany
+02 34 32 28341 (Phone)
+02 34 32 14273 (Fax)

HOME PAGE: http://www.ruhr-uni-bochum.de/empwifo/

IZA Institute of Labor Economics ( email )

P.O. Box 7240
Bonn, D-53072
Germany
+49 228 38 94 529 (Phone)
+49 228 38 94 510 (Fax)

Katharina Lindenbaum

affiliation not provided to SSRN ( email )

Magdalena A. Stroka (Contact Author)

Rhine-Westphalia Institute for Economic Research (RWI-Essen) ( email )

Hohenzollernstr. 1-3
Essen, 45128
Germany

Ruhr University of Bochum - Faculty of Economics ( email )

Ruhr University of Bochum
Faculty of Economics
D-44780 Bochum, DE 44780
Germany

WINEG Scientific Institute of TK for Benefit and Efficiency in Health Care ( email )

Bramfelder Str. 140
Hamburg
Germany

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