Olga Domanska
Robert Koch Institute
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Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2013
Petra Rattay; Hans Butschalowsky; Alexander Rommel; Franziska Prütz; Susanne Jordan; Enno Nowossadeck; Olga Domanska; Panagiotis Kamtsiuris
The article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008-2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.ZusammenfassungDer vorliegende Beitrag liefert auf Basis der Studie zur Gesundheit Erwachsener in Deutschland (DEGS1) und des Bundes-Gesundheitssurveys (BGS98) aus den Jahren 2008–2011 und 1997/98 repräsentative Eckdaten und Trends zur Inanspruchnahme ärztlicher und therapeutischer Leistungen der 18- bis 79-jährigen Wohnbevölkerung in Deutschland. Die DEGS1-Daten zeigen, dass Frauen viele der einbezogenen medizinischen Leistungen häufiger in Anspruch nahmen als Männer. Mit dem Alter werden die Unterschiede nach Geschlecht geringer. Bei fast allen Leistungen ist mit zunehmendem Alter ein Anstieg der Inanspruchnahme zu verzeichnen. Große Unterschiede in der Inanspruchnahme bestehen in Abhängigkeit von der selbst eingeschätzten Gesundheit, geringere Unterschiede nach Sozialstatus, Krankenversicherung und Region. Zu beiden Erhebungszeitpunkten ist der Anteil der Bevölkerung, der mindestens 1-mal im Jahr ärztliche Hilfe (ambulant oder stationär) in Anspruch nahm, nahezu unverändert hoch. Gleichzeitig sind in diesem Zeitraum ein signifikanter Rückgang der Kontakte zu Arztpraxen pro Jahr und der Krankenhausverweildauer sowie eine Zunahme der konsultierten Facharztgruppen zu verzeichnen. Dies verweist auf Steuerungswirkungen früherer Reformen.AbstractThe article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008–2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.
Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2013
Petra Rattay; Hans Butschalowsky; Alexander Rommel; Franziska Prütz; Susanne Jordan; Enno Nowossadeck; Olga Domanska; Panagiotis Kamtsiuris
The article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008-2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.ZusammenfassungDer vorliegende Beitrag liefert auf Basis der Studie zur Gesundheit Erwachsener in Deutschland (DEGS1) und des Bundes-Gesundheitssurveys (BGS98) aus den Jahren 2008–2011 und 1997/98 repräsentative Eckdaten und Trends zur Inanspruchnahme ärztlicher und therapeutischer Leistungen der 18- bis 79-jährigen Wohnbevölkerung in Deutschland. Die DEGS1-Daten zeigen, dass Frauen viele der einbezogenen medizinischen Leistungen häufiger in Anspruch nahmen als Männer. Mit dem Alter werden die Unterschiede nach Geschlecht geringer. Bei fast allen Leistungen ist mit zunehmendem Alter ein Anstieg der Inanspruchnahme zu verzeichnen. Große Unterschiede in der Inanspruchnahme bestehen in Abhängigkeit von der selbst eingeschätzten Gesundheit, geringere Unterschiede nach Sozialstatus, Krankenversicherung und Region. Zu beiden Erhebungszeitpunkten ist der Anteil der Bevölkerung, der mindestens 1-mal im Jahr ärztliche Hilfe (ambulant oder stationär) in Anspruch nahm, nahezu unverändert hoch. Gleichzeitig sind in diesem Zeitraum ein signifikanter Rückgang der Kontakte zu Arztpraxen pro Jahr und der Krankenhausverweildauer sowie eine Zunahme der konsultierten Facharztgruppen zu verzeichnen. Dies verweist auf Steuerungswirkungen früherer Reformen.AbstractThe article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008–2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.
Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2014
Petra Rattay; Anne Starker; Olga Domanska; Hans Butschalowsky; J. Gutsche; Panagiotis Kamtsiuris
This article provides information on trends in the utilization of outpatient medical care in childhood and adolescence in Germany on the basis of data from two waves of the KiGGS study (prevalences and odds ratios). In the period 2009-2012, 91.9% (95% CI 91.1-92.7%) of children and adolescents used outpatient medical services at least once a year. In the 12 months prior to the interview, 67.9% (95% CI 65.9-69.8%) of the 0- to 17-year-olds consulted a pediatrician and 34.1% (95% CI 31.6-36.3%) a general practitioner. Whereas there was no change in the use of either overall outpatient or general practice medical care compared to 2003-2006, a significant increase of 8.7% points in the utilization of pediatricians was found. This could be explained by, among other factors, an expansion of pediatric services (additional vaccinations and health screening examinations) in recent years. It may also be related to a significantly greater participation in the health screening program in early childhood (U3-U9 examinations), which was seen especially when comparing the youngest birth cohorts and in children from families with low social status (from U7 onwards). The increased use of health screening examinations can probably be attributed to the invitation, reminding and reporting procedures that have been introduced in recent years. Whereas at KiGGS baseline urban-rural differences in participation in health screening examinations could be seen, these were no longer apparent in KiGGS Wave 1. Similarly, differences between rural and urban regions in the use of general and pediatric medical services have also diminished. Nevertheless, currently children and young people in rural areas use outpatient general medical care to a greater extent than those in urban areas.
Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2014
Petra Rattay; Anne Starker; Olga Domanska; Hans Butschalowsky; J. Gutsche; Panagiotis Kamtsiuris
This article provides information on trends in the utilization of outpatient medical care in childhood and adolescence in Germany on the basis of data from two waves of the KiGGS study (prevalences and odds ratios). In the period 2009-2012, 91.9% (95% CI 91.1-92.7%) of children and adolescents used outpatient medical services at least once a year. In the 12 months prior to the interview, 67.9% (95% CI 65.9-69.8%) of the 0- to 17-year-olds consulted a pediatrician and 34.1% (95% CI 31.6-36.3%) a general practitioner. Whereas there was no change in the use of either overall outpatient or general practice medical care compared to 2003-2006, a significant increase of 8.7% points in the utilization of pediatricians was found. This could be explained by, among other factors, an expansion of pediatric services (additional vaccinations and health screening examinations) in recent years. It may also be related to a significantly greater participation in the health screening program in early childhood (U3-U9 examinations), which was seen especially when comparing the youngest birth cohorts and in children from families with low social status (from U7 onwards). The increased use of health screening examinations can probably be attributed to the invitation, reminding and reporting procedures that have been introduced in recent years. Whereas at KiGGS baseline urban-rural differences in participation in health screening examinations could be seen, these were no longer apparent in KiGGS Wave 1. Similarly, differences between rural and urban regions in the use of general and pediatric medical services have also diminished. Nevertheless, currently children and young people in rural areas use outpatient general medical care to a greater extent than those in urban areas.
Archive | 2013
Petra Rattay; Hans Butschalowsky; Alexander Rommel; Franziska Prütz; Susanne Jordan; Enno Nowossadeck; Olga Domanska
The article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008-2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.ZusammenfassungDer vorliegende Beitrag liefert auf Basis der Studie zur Gesundheit Erwachsener in Deutschland (DEGS1) und des Bundes-Gesundheitssurveys (BGS98) aus den Jahren 2008–2011 und 1997/98 repräsentative Eckdaten und Trends zur Inanspruchnahme ärztlicher und therapeutischer Leistungen der 18- bis 79-jährigen Wohnbevölkerung in Deutschland. Die DEGS1-Daten zeigen, dass Frauen viele der einbezogenen medizinischen Leistungen häufiger in Anspruch nahmen als Männer. Mit dem Alter werden die Unterschiede nach Geschlecht geringer. Bei fast allen Leistungen ist mit zunehmendem Alter ein Anstieg der Inanspruchnahme zu verzeichnen. Große Unterschiede in der Inanspruchnahme bestehen in Abhängigkeit von der selbst eingeschätzten Gesundheit, geringere Unterschiede nach Sozialstatus, Krankenversicherung und Region. Zu beiden Erhebungszeitpunkten ist der Anteil der Bevölkerung, der mindestens 1-mal im Jahr ärztliche Hilfe (ambulant oder stationär) in Anspruch nahm, nahezu unverändert hoch. Gleichzeitig sind in diesem Zeitraum ein signifikanter Rückgang der Kontakte zu Arztpraxen pro Jahr und der Krankenhausverweildauer sowie eine Zunahme der konsultierten Facharztgruppen zu verzeichnen. Dies verweist auf Steuerungswirkungen früherer Reformen.AbstractThe article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008–2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.
Archives of public health | 2018
Olga Domanska; Christiane Firnges; Torsten Michael Bollweg; Kristine Sørensen; Christine Holmberg; Susanne Jordan
BackgroundIn Germany, there are no measurement tools to assess the general health literacy of adolescents. The aim of the study “Measurement of Health Literacy Among Adolescents” (MOHLAA) is to develop such a tool for use among adolescents aged 14–17. The German version of the European Health Literacy Survey Questionnaire (HLS-EU-Q47-GER) served as a blueprint for the development of the tool. The present study examined the extent to which the HLS-EU-Q47-GER can be applied to the measurement of general health literacy in adolescents.MethodsThe applicability of the HLS-EU-Q47-GER for adolescents was tested qualitatively using cognitive interviewing (CI). Purposive sampling was used to achieve an equal distribution of participants regarding age groups, educational backgrounds and gender. CI was standardized on the basis of an interview guide. Verbal probing and the retrospective think-aloud technique were applied. The interviews were audio-recorded, transcribed and analyzed using the criteria of theory-based analysis, which were derived from the model of cognitive processes. The analysis focused on identifying terms and questions that were difficult to understand and on scrutinizing the extent to which the content of the items is appropriate for assessing adolescents’ health literacy.ResultsAdolescent respondents were unfamiliar with some terms of the HLS-EU-Q47-GER or provided heterogeneous interpretations of the terms. They had limited or no experience regarding some health-related tasks in health care and disease prevention that are addressed by HLS-EU-Q-items. A few items seemed to be too “difficult” to answer due to a high abstraction level or because they lacked any reference to the everyday lives of youth. Despite comprehension problems with some of the HLS-EU items, the respondents assessed the covered health-related tasks as “very easy” or “fairly easy”. CI stressed the importance of interpersonal agents, especially parents, in helping adolescents understand and judge the reliability of health information.ConclusionsThe results of CI indicated that the applicability of the HLS-EU-Q47-GER to the measurement of general health literacy among adolescents aged 14–17 is limited. In order to prevent biased data, some items of the questionnaire should be adjusted to adolescents’ state of development and experiences with health care and disease prevention.
BMC Public Health | 2017
Janine Bröder; Orkan Okan; Ullrich Bauer; Dirk Bruland; Sandra Schlupp; Torsten Michael Bollweg; Luis Saboga-Nunes; Emma Bond; Kristine Sørensen; Eva Maria Bitzer; Susanne Jordan; Olga Domanska; Christiane Firnges; Graça Simões de Carvalho; Uwe H. Bittlingmayer; Diane Levin-Zamir; Jürgen M. Pelikan; Diana Sahrai; Albert Lenz; Patricia Wahl; Malcolm Thomas; Fabian Kessl; Paulo Pinheiro
Erratum to: Health literacy in childhood and youth: a systematic review of definitions and models. https://doi.org/10.1186/s12889-017-4365-x. Available in RepositoriUM at: http://hdl.handle.net/1822/45479
Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2014
Petra Rattay; Anne Starker; Olga Domanska; Hans Butschalowsky; J. Gutsche; Panagiotis Kamtsiuris
This article provides information on trends in the utilization of outpatient medical care in childhood and adolescence in Germany on the basis of data from two waves of the KiGGS study (prevalences and odds ratios). In the period 2009-2012, 91.9% (95% CI 91.1-92.7%) of children and adolescents used outpatient medical services at least once a year. In the 12 months prior to the interview, 67.9% (95% CI 65.9-69.8%) of the 0- to 17-year-olds consulted a pediatrician and 34.1% (95% CI 31.6-36.3%) a general practitioner. Whereas there was no change in the use of either overall outpatient or general practice medical care compared to 2003-2006, a significant increase of 8.7% points in the utilization of pediatricians was found. This could be explained by, among other factors, an expansion of pediatric services (additional vaccinations and health screening examinations) in recent years. It may also be related to a significantly greater participation in the health screening program in early childhood (U3-U9 examinations), which was seen especially when comparing the youngest birth cohorts and in children from families with low social status (from U7 onwards). The increased use of health screening examinations can probably be attributed to the invitation, reminding and reporting procedures that have been introduced in recent years. Whereas at KiGGS baseline urban-rural differences in participation in health screening examinations could be seen, these were no longer apparent in KiGGS Wave 1. Similarly, differences between rural and urban regions in the use of general and pediatric medical services have also diminished. Nevertheless, currently children and young people in rural areas use outpatient general medical care to a greater extent than those in urban areas.
Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2013
Petra Rattay; Hans Butschalowsky; Alexander Rommel; Franziska Prütz; Susanne Jordan; Enno Nowossadeck; Olga Domanska; Panagiotis Kamtsiuris
The article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008-2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.ZusammenfassungDer vorliegende Beitrag liefert auf Basis der Studie zur Gesundheit Erwachsener in Deutschland (DEGS1) und des Bundes-Gesundheitssurveys (BGS98) aus den Jahren 2008–2011 und 1997/98 repräsentative Eckdaten und Trends zur Inanspruchnahme ärztlicher und therapeutischer Leistungen der 18- bis 79-jährigen Wohnbevölkerung in Deutschland. Die DEGS1-Daten zeigen, dass Frauen viele der einbezogenen medizinischen Leistungen häufiger in Anspruch nahmen als Männer. Mit dem Alter werden die Unterschiede nach Geschlecht geringer. Bei fast allen Leistungen ist mit zunehmendem Alter ein Anstieg der Inanspruchnahme zu verzeichnen. Große Unterschiede in der Inanspruchnahme bestehen in Abhängigkeit von der selbst eingeschätzten Gesundheit, geringere Unterschiede nach Sozialstatus, Krankenversicherung und Region. Zu beiden Erhebungszeitpunkten ist der Anteil der Bevölkerung, der mindestens 1-mal im Jahr ärztliche Hilfe (ambulant oder stationär) in Anspruch nahm, nahezu unverändert hoch. Gleichzeitig sind in diesem Zeitraum ein signifikanter Rückgang der Kontakte zu Arztpraxen pro Jahr und der Krankenhausverweildauer sowie eine Zunahme der konsultierten Facharztgruppen zu verzeichnen. Dies verweist auf Steuerungswirkungen früherer Reformen.AbstractThe article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008–2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.
Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2013
Petra Rattay; Hans Butschalowsky; Alexander Rommel; Franziska Prütz; Susanne Jordan; Enno Nowossadeck; Olga Domanska; Panagiotis Kamtsiuris
The article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008-2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.ZusammenfassungDer vorliegende Beitrag liefert auf Basis der Studie zur Gesundheit Erwachsener in Deutschland (DEGS1) und des Bundes-Gesundheitssurveys (BGS98) aus den Jahren 2008–2011 und 1997/98 repräsentative Eckdaten und Trends zur Inanspruchnahme ärztlicher und therapeutischer Leistungen der 18- bis 79-jährigen Wohnbevölkerung in Deutschland. Die DEGS1-Daten zeigen, dass Frauen viele der einbezogenen medizinischen Leistungen häufiger in Anspruch nahmen als Männer. Mit dem Alter werden die Unterschiede nach Geschlecht geringer. Bei fast allen Leistungen ist mit zunehmendem Alter ein Anstieg der Inanspruchnahme zu verzeichnen. Große Unterschiede in der Inanspruchnahme bestehen in Abhängigkeit von der selbst eingeschätzten Gesundheit, geringere Unterschiede nach Sozialstatus, Krankenversicherung und Region. Zu beiden Erhebungszeitpunkten ist der Anteil der Bevölkerung, der mindestens 1-mal im Jahr ärztliche Hilfe (ambulant oder stationär) in Anspruch nahm, nahezu unverändert hoch. Gleichzeitig sind in diesem Zeitraum ein signifikanter Rückgang der Kontakte zu Arztpraxen pro Jahr und der Krankenhausverweildauer sowie eine Zunahme der konsultierten Facharztgruppen zu verzeichnen. Dies verweist auf Steuerungswirkungen früherer Reformen.AbstractThe article provides representative benchmarks and trends for the use of medical and therapeutic services in Germany on the basis of the German Health Interview and Examination Survey for Adults (DEGS1) and the German National Health Interview and Examination Survey 1998 (GNHIES98) from the years 2008–2011 and 1997/98, respectively. DEGS1 shows that women seek most medical services more often than men. Differences by gender decreased with age. In almost all services, an increase in utilisation is recorded with age. There are large differences in utilisation depending on self-rated health, as opposed to fewer differences by social status, health insurance and region. At both time points, the proportion of the population that utilised outpatient or inpatient medical assistance at least once a year, is almost unchanged high. At the same time, a significant reduction in the annual number of contacts with medical practices and the length of hospital stay was recorded as well as an increase of the consulted specialist groups. This may be explained due to regulation effects of earlier reforms. An English full-text version of this article is available at SpringerLink as supplemental.