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    <completedYear/>
    <publishedYear>2020</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>828</pageFirst>
    <pageLast>829</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>117</volume>
    <type>workingpaper</type>
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    <completedDate>2023-02-20</completedDate>
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    <title language="eng">Mental Health and Quality of Life in Children and Adolescents During the COVID-19 Pandemic—Results of the Copsy Study</title>
    <parentTitle language="eng">Deutsches Ärzteblatt International</parentTitle>
    <additionalTitle language="deu">Psychische Gesundheit und Lebensqualität von Kindern und Jugendlichen während der COVID-19-Pandemie – Ergebnisse der COPSY-Studie</additionalTitle>
    <identifier type="doi">10.3238/arztebl.2020.0828</identifier>
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    <licence>Metadaten / metadata</licence>
    <author>Ulrike Ravens-Sieberer</author>
    <submitter>Ayamba Kwoyila</submitter>
    <author>Anne Kaman</author>
    <author>Christiane Otto</author>
    <author>Adekunle Adedeji</author>
    <author>Janine Devine</author>
    <author>Michael Erhart</author>
    <author>Ann-Kathrin Napp</author>
    <author>Marcia Becker</author>
    <author>Ulrike Blanck-Stellmacher</author>
    <author>Constanze Löffler</author>
    <author>Robert Schlack</author>
    <author>Klaus Hurrelmann</author>
    <collection role="Faculty" number=""/>
    <thesisPublisher>Hertie School</thesisPublisher>
  </doc>
  <doc>
    <id>4828</id>
    <completedYear/>
    <publishedYear>2021</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
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    <type>article</type>
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    <completedDate>2023-02-20</completedDate>
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    <title language="eng">Quality of life and mental health in children and adolescents during the first year of the COVID‑19 pandemic: results of a two‑wave nationwide population‑based study</title>
    <abstract language="eng">Background&#13;
The COVID-19 pandemic has disrupted the lives of children and adolescents worldwide. The German COPSY study is among the first population-based longitudinal studies to examine the mental health impact of the pandemic. The objective of the study was to assess changes in health-related quality of life (HRQoL) and mental health in children and adolescents and to identify the associated risk and resource factors during the pandemic.&#13;
&#13;
Methods&#13;
A nationwide longitudinal survey was conducted with two waves during the pandemic (May/June 2020 and December 2020/January 2021). In total, n = 1923 children and adolescents aged 7 to 17 years and their parents participated (retention rate from wave 1 to wave 2: 85%). The self-report and parent-proxy surveys assessed HRQoL (KIDSCREEN-10), mental health problems (SDQ with the subscales emotional problems, conduct problems, hyperactivity, and peer problems), anxiety (SCARED), depressive symptoms (CES-DC, PHQ-2) and psychosomatic complaints (HBSC-SCL). Mixed model panel regression analyses were conducted to examine longitudinal changes in mental health and to identify risk and resource factors.&#13;
&#13;
Results&#13;
The HRQoL of children and adolescents decreased during the pandemic, and emotional problems, peer-related mental health problems, anxiety, depressive and psychosomatic symptoms increased over time, however the change in global mental health problems from wave 1 to wave 2 was not significant, and some changes were negligible. Socially disadvantaged children and children of mentally burdened parents were at particular risk of impaired mental health, while female gender and older age were associated with fewer mental health problems. A positive family climate and social support supported the mental health of children and adolescents during the pandemic.&#13;
&#13;
Discussion&#13;
Health promotion, prevention and intervention strategies could support children and adolescents in coping with the pandemic and protect and maintain their mental health</abstract>
    <parentTitle language="eng">European Child &amp; Adolescent Psychiatry</parentTitle>
    <identifier type="doi">10.1007/s00787-021-01889-1</identifier>
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    <licence>Metadaten / metadata</licence>
    <author>Ulrike Ravens‑Sieberer</author>
    <submitter>Ayamba Kwoyila</submitter>
    <author>Anne Kaman</author>
    <author>Michael Erhart</author>
    <author>Christiane Otto</author>
    <author>Janine Devine</author>
    <author>Constanze Löffler</author>
    <author>Klaus Hurrelmann</author>
    <author>Monika Bullinger</author>
    <author>Claus Barkmann</author>
    <author>Nico A. Siegel</author>
    <author>Anja M. Simon</author>
    <author>Lothar H. Wieler</author>
    <author>Robert Schlack</author>
    <author>Heike Hölling</author>
    <collection role="Faculty" number=""/>
    <thesisPublisher>Hertie School</thesisPublisher>
  </doc>
  <doc>
    <id>4830</id>
    <completedYear/>
    <publishedYear>2022</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>326</pageFirst>
    <pageLast>327</pageLast>
    <pageNumber/>
    <edition/>
    <issue>7</issue>
    <volume/>
    <type>workingpaper</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-02-21</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Seelische Gesundheit und Gesundheitsverhalten von Kindern und Eltern während der COVID-19-Pandemie. Ergebnisse der COPSY-Längsschnittstudie</title>
    <parentTitle language="deu">Deutsches Ärzteblatt</parentTitle>
    <additionalTitle language="eng">The mental health and health-related behavior of children and parents during the COVID-19 pandemic: findings of the longitudinal COPSY study</additionalTitle>
    <identifier type="doi">10.3238/arztebl.m2022.0173</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Metadaten / metadata</licence>
    <author>Ulrike Ravens-Sieberer</author>
    <submitter>Terri Sullivan</submitter>
    <author>Anne Kaman</author>
    <author>Janine Devine</author>
    <author>Constanze Löffler</author>
    <author>Franziska Reiß</author>
    <author>Ann-Kathrin Napp</author>
    <author>Martha Gilbert</author>
    <author>Hila Naderi</author>
    <author>Klaus Hurrelmann</author>
    <author>Robert Schlack</author>
    <author>Heike Hölling</author>
    <author>Michael Erhart</author>
    <collection role="Faculty" number=""/>
    <thesisPublisher>Hertie School</thesisPublisher>
  </doc>
  <doc>
    <id>4831</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
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    <completedDate>2023-02-21</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Zwei Jahre Pandemie: Die psychische Gesundheit und Lebensqualität von Kindern und Jugendlichen – Ergebnisse der COPSY-Längsschnittstudie</title>
    <parentTitle language="deu">Deutsches Ärzteblatt</parentTitle>
    <additionalTitle language="eng">Two years of pandemic: the mental health and quality of life of children and adolescents—findings of the COPSY longitudinal study</additionalTitle>
    <identifier type="doi">10.3238/arztebl.m2023.0001</identifier>
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    <licence>Metadaten / metadata</licence>
    <author>Anne Kaman</author>
    <submitter>Terri Sullivan</submitter>
    <author>Michael Erhart</author>
    <author>Janine Devine</author>
    <author>Franziska Reiß</author>
    <author>Ann-Kathrin Napp</author>
    <author>Anja M. Simon</author>
    <author>Klaus Hurrelmann</author>
    <author>Robert Schlack</author>
    <author>Heike Hölling</author>
    <author>Lothar H Wieler</author>
    <author>Ulrike Ravens-Sieberer</author>
    <collection role="Faculty" number=""/>
    <thesisPublisher>Hertie School</thesisPublisher>
  </doc>
  <doc>
    <id>4783</id>
    <completedYear/>
    <publishedYear>2022</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>570</pageFirst>
    <pageLast>578</pageLast>
    <pageNumber/>
    <edition/>
    <issue>5</issue>
    <volume>71</volume>
    <type>article</type>
    <publisherName/>
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    <creatingCorporation/>
    <contributingCorporation/>
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    <completedDate>2023-02-17</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Child and Adolescent Mental Health During the COVID-19 Pandemic: Results of the Three-Wave Longitudinal COPSY Study</title>
    <abstract language="eng">Purpose&#13;
The German population-based longitudinal COVID-19 and Psychological Health study monitors changes in health-related quality of life (HRQoL) and mental health of children and adolescents during the COVID-19 pandemic and identifies vulnerable groups.&#13;
&#13;
Methods&#13;
A nationwide, population-based survey was conducted in May 2020 to June 2020 (Wave 1), December 2020 to January 2021 (Wave 2), and September 2021 to October 2021 (Wave 3). In total, n = 2,097 children and adolescents aged 7–17 years were investigated using measures to assess HRQoL (KIDSCREEN-10), mental health problems (SDQ), anxiety (SCARED), depressive symptoms(PHQ-2), and psychosomatic complaints(HBSC-SCL).&#13;
&#13;
Results&#13;
The prevalence of low HRQoL increased from 15% prepandemic to 40% and 48% in Waves 1 and 2 and improved slightly to 35% in Wave 3 (all differences significant). Similarly, overall mental health problems increased from 18% prepandemic to 29% in Wave 1 and 31% in Wave 2 to 28% in Wave 3 (all differences significant, except Wave 3 vs. 2), anxiety increased from 15% prepandemic to 24% and 30% in Waves 1 and 2 and was still 27% in Wave 3. Depressive symptoms increased from 10% prepandemic to 11% and 15% in Waves 1 and 2 and were 11% in Wave 3. A group with low parental education, restricted living conditions, migration background, and parental mental health problems was at significantly increased risk of HRQoL and mental health impairments.&#13;
&#13;
Discussion&#13;
The prevalence of low HRQoL, mental health problems, and anxiety has been elevated throughout the pandemic. Thus, mental health promotion, prevention, and intervention strategies need to be implemented to support adolescents–particularly those at risk.</abstract>
    <parentTitle language="eng">Journal of Adolescent Health</parentTitle>
    <identifier type="doi">10.1016/j.jadohealth.2022.06.022</identifier>
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    <licence>Metadaten / metadata</licence>
    <author>Ulrike Ravens-Sieberer</author>
    <submitter>Angelika Behlen</submitter>
    <author>Michael Erhart</author>
    <author>Janine Devine</author>
    <author>Martha Gilbert</author>
    <author>Franziska Reiss</author>
    <author>Claus Barkmann</author>
    <author>Nico A. Siegel</author>
    <author>Anja M. Simon</author>
    <author>Klaus Hurrelmann</author>
    <author>Robert Schlack</author>
    <author>Heike Hölling</author>
    <author>Lothar H. Wieler</author>
    <author>Anne Kaman</author>
    <collection role="Faculty" number=""/>
    <thesisPublisher>Hertie School</thesisPublisher>
  </doc>
  <doc>
    <id>4809</id>
    <completedYear/>
    <publishedYear>2021</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>1512</pageFirst>
    <pageLast>1521</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>64</volume>
    <type>article</type>
    <publisherName/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-02-20</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Seelische Gesundheit und psychische Belastungen von Kindern und Jugendlichen in der ersten Welle der COVID-19-Pandemie – Ergebnisse der COPSY-Studie</title>
    <parentTitle language="deu">Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz</parentTitle>
    <identifier type="doi">10.1007/s00103-021-03291-3</identifier>
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    <licence>Metadaten / metadata</licence>
    <author>Ulrike Ravens-Sieberer</author>
    <submitter>Ayamba Kwoyila</submitter>
    <author>Anne Kaman</author>
    <author>Christiane Otto</author>
    <author>Adekunle Adedeji</author>
    <author>Ann-Kathrin Napp</author>
    <author>Marcia Becker</author>
    <author>Ulrike Blanck-Stellmacher</author>
    <author>Constanze Löffler</author>
    <author>Robert Schlack</author>
    <author>Heike Hölling</author>
    <author>Janine Devine</author>
    <author>Michael Erhart</author>
    <author>Klaus Hurrelmann</author>
    <collection role="Faculty" number=""/>
    <thesisPublisher>Hertie School</thesisPublisher>
  </doc>
  <doc>
    <id>5550</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>11</volume>
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    <completedDate>2024-07-16</completedDate>
    <publishedDate>--</publishedDate>
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    <title language="eng">Three years into the pandemic: results of the longitudinal German COPSY study on youth mental health and health-related quality of life</title>
    <abstract language="eng">Purpose&#13;
For the past three years, the German longitudinal COPSY (COVID-19 and PSYchological Health) study has monitored changes in health-related quality of life (HRQoL) and the mental health of children and adolescents during the COVID-19 pandemic.&#13;
&#13;
Methods&#13;
A nationwide, population-based survey was conducted in May–June 2020 (W1), December 2020–January 2021 (W2), September–October 2021 (W3), February 2022 (W4), and September–October 2022 (W5). In total, n = 2,471 children and adolescents aged 7–17 years (n = 1,673 aged 11–17 years with self-reports) were assessed using internationally established and validated measures of HRQoL (KIDSCREEN-10), mental health problems (SDQ), anxiety (SCARED), depressive symptoms (CES-DC, PHQ-2), psychosomatic complaints (HBSC-SCL), and fear about the future (DFS-K). Findings were compared to prepandemic population-based data.&#13;
&#13;
Results&#13;
While the prevalence of low HRQoL increased from 15% prepandemic to 48% at W2, it improved to 27% at W5. Similarly, overall mental health problems rose from 18% prepandemic to W1 through W2 (30–31%), and since then slowly declined (W3: 27%, W4: 29%, W5: 23%). Anxiety doubled from 15% prepandemic to 30% in W2 and declined to 25% (W5) since then. Depressive symptoms increased from 15%/10% (CES-DC/PHQ-2) prepandemic to 24%/15% in W2, and slowly decreased to 14%/9% in W5. Psychosomatic complaints are across all waves still on the rise. 32–44% of the youth expressed fears related to other current crises.&#13;
&#13;
Conclusion&#13;
Mental health of the youth improved in year 3 of the pandemic, but is still lower than before the pandemic.</abstract>
    <parentTitle language="eng">Frontiers in Public Health</parentTitle>
    <identifier type="issn">2296-2565</identifier>
    <identifier type="doi">10.3389/fpubh.2023.1129073</identifier>
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Public Health"],"abstract":"&lt;jats:sec&gt;&lt;jats:title&gt;Purpose&lt;\/jats:title&gt;&lt;jats:p&gt;For the past three years, the German longitudinal COPSY (&lt;jats:italic&gt;&lt;jats:bold&gt;CO&lt;\/jats:bold&gt;VID-19 and &lt;jats:bold&gt;PSY&lt;\/jats:bold&gt;chological Health&lt;\/jats:italic&gt;) study has monitored changes in health-related quality of life (HRQoL) and the mental health of children and adolescents during the COVID-19 pandemic.&lt;\/jats:p&gt;&lt;\/jats:sec&gt;&lt;jats:sec&gt;&lt;jats:title&gt;Methods&lt;\/jats:title&gt;&lt;jats:p&gt;A nationwide, population-based survey was conducted in May\u2013June 2020 (W1), December 2020\u2013January 2021 (W2), September\u2013October 2021 (W3), February 2022 (W4), and September\u2013October 2022 (W5). In total, &lt;jats:italic&gt;n&lt;\/jats:italic&gt;\u2009=\u20092,471 children and adolescents aged 7\u201317 years (&lt;jats:italic&gt;n&lt;\/jats:italic&gt;\u2009=\u20091,673 aged 11\u201317 years with self-reports) were assessed using internationally established and validated measures of HRQoL (KIDSCREEN-10), mental health problems (SDQ), anxiety (SCARED), depressive symptoms (CES-DC, PHQ-2), psychosomatic complaints (HBSC-SCL), and fear about the future (DFS-K). Findings were compared to prepandemic population-based data.&lt;\/jats:p&gt;&lt;\/jats:sec&gt;&lt;jats:sec&gt;&lt;jats:title&gt;Results&lt;\/jats:title&gt;&lt;jats:p&gt;While the prevalence of low HRQoL increased from 15% prepandemic to 48% at W2, it improved to 27% at W5. Similarly, overall mental health problems rose from 18% prepandemic to W1 through W2 (30\u201331%), and since then slowly declined (W3: 27%, W4: 29%, W5: 23%). Anxiety doubled from 15% prepandemic to 30% in W2 and declined to 25% (W5) since then. 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