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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder
International Journal of Bipolar Disorders, Volume 9, No. 1, Article 26, Year 2021
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Description
Background: Bipolar disorder is associated with circadian disruption and a high risk of suicidal behavior. In a previous exploratory study of patients with bipolar I disorder, we found that a history of suicide attempts was associated with differences between winter and summer levels of solar insolation. The purpose of this study was to confirm this finding using international data from 42% more collection sites and 25% more countries. Methods: Data analyzed were from 71 prior and new collection sites in 40 countries at a wide range of latitudes. The analysis included 4876 patients with bipolar I disorder, 45% more data than previously analyzed. Of the patients, 1496 (30.7%) had a history of suicide attempt. Solar insolation data, the amount of the sun’s electromagnetic energy striking the surface of the earth, was obtained for each onset location (479 locations in 64 countries). Results: This analysis confirmed the results of the exploratory study with the same best model and slightly better statistical significance. There was a significant inverse association between a history of suicide attempts and the ratio of mean winter insolation to mean summer insolation (mean winter insolation/mean summer insolation). This ratio is largest near the equator which has little change in solar insolation over the year, and smallest near the poles where the winter insolation is very small compared to the summer insolation. Other variables in the model associated with an increased risk of suicide attempts were a history of alcohol or substance abuse, female gender, and younger birth cohort. The winter/summer insolation ratio was also replaced with the ratio of minimum mean monthly insolation to the maximum mean monthly insolation to accommodate insolation patterns in the tropics, and nearly identical results were found. All estimated coefficients were significant at p < 0.01. Conclusion: A large change in solar insolation, both between winter and summer and between the minimum and maximum monthly values, may increase the risk of suicide attempts in bipolar I disorder. With frequent circadian rhythm dysfunction and suicidal behavior in bipolar disorder, greater understanding of the optimal roles of daylight and electric lighting in circadian entrainment is needed. © 2021, The Author(s).
Authors & Co-Authors
Bauer, Michael
Germany, Dresden
Technische Universität Dresden
Glenn, Tasha
United States, Fullerton
Chronorecord Association
Achtyes, Eric D.
United States, Grand Rapids
Msu College of Human Medicine
Alda, Martin
Canada, Halifax
Dalhousie University
Ağaoğlu, Esen
Turkey, Ankara
Hacettepe Üniversitesi
Altınbaş, Kürşat
Turkey, Konya
Selçuk Tip Fakültesi
Andreassen, Ole Andreas
Norway, Oslo
Universitetet I Oslo
Angelopoulos, E. K.
Greece, Athens
National and Kapodistrian University of Athens
Ardau, Raffaella
Italy, Cagliari
Università Degli Studi Di Cagliari
Vares, Edgar Arrua
Germany, Dresden
Technische Universität Dresden
Aydın, Memduha
Turkey, Konya
Selçuk Tip Fakültesi
Ayhan, Yavuz
Turkey, Ankara
Hacettepe Üniversitesi
Baethge, Christopher J.
Germany, Koln
Universität zu Köln
Bauer, Rita
Germany, Dresden
Technische Universität Dresden
Baune, Bernhard T.
Germany, Munster
University of Münster
Australia, Melbourne
University of Melbourne
Australia, Melbourne
The Florey
Balaban, Ceylan
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Becerra-Palars, Claudia
Mexico, Mexico
Instituto Nacional de Psiquiatría Ramon de la Fuente
Behere, Aniruddh Prakash
United States, Grand Rapids
Helen Devos Children's Hospital
Behere, Prakash Balkrishna
India, Wardha
Datta Meghe Institute of Higher Education & Research Deemed to be University
Belete, Habte
Ethiopia, Bahir Dar
Bahir Dar University
Mossie, Tilahun Belete
Ethiopia, Bahir Dar
Bahir Dar University
Belizario, Gabriel Okawa
Brazil, Sao Paulo
Universidade de São Paulo
Bellivier, Frank
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
Belmaker, Robert Haim
Israel, Beer-sheva
Ben-gurion University of the Negev
Benedetti, Francesco
Italy, Milan
Università Vita-salute San Raffaele
Italy, Milan
Irccs Ospedale San Raffaele
Berk, Michael
Australia, Geelong
Barwon Health
Australia, Melbourne
Orygen Youth Health
Bersudsky, Yuly
Israel, Beer-sheva
Beer Sheva Mental Health Center
Bicakci, Şule
Turkey, Ankara
Hacettepe Üniversitesi
Turkey, Ankara
Başkent Üniversitesi
Birabwa-Oketcho, Harriet
Uganda, Kampala
Butabika Hospital
Bjella, Thomas Doug
Norway, Oslo
Universitetet I Oslo
Brady, Conan
Ireland, Dublin
Trinity College Dublin
Cabrera, Jorge
Unknown Affiliation
Cappucciati, Marco
Unknown Affiliation
Paredes Castro, Angela Marianne
Australia, Geelong
Barwon Health
Chen, Weiling
Taiwan, Taichung
Veterans General Hospital-taichung Taiwan
Cheung, Eric Yat Wo
Unknown Affiliation
Chiesa, Silvia
Unknown Affiliation
Crowe, Marie T.
New Zealand, Christchurch
University of Otago, Christchurch
Cuomo, Alessandro
Italy, Siena
Dipartimento Di Scienze Mediche, Chirurgiche e Neuroscienze
Dallaspezia, S.
Italy, Milan
Irccs Ospedale San Raffaele
del Zompo, Maria
Italy, Cagliari
Università Degli Studi Di Cagliari
Desai, Pratikkumar V.
Unknown Affiliation
Dodd, Seetal M.
Australia, Geelong
Barwon Health
Australia, Melbourne
University of Melbourne
Donix, Markus
Germany, Dresden
Technische Universität Dresden
Etain, Bruno
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
Fagiolini, Andrea M.
Italy, Siena
Dipartimento Di Scienze Mediche, Chirurgiche e Neuroscienze
Fellendorf, Frederike Tabea
Austria, Graz
Medizinische Universität Graz
Ferensztajn-Rochowiak, Ewa
Poland, Poznan
Poznan University of Medical Sciences
Fiedorowicz, Jess G.
Canada, Ottawa
University of Ottawa
Fountoulakis, K. N.
Greece, Thessaloniki
Aristotle University of Thessaloniki
Frye, Mark A.
United States, Rochester
Mayo Clinic
Geoffroy, P. A.
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
France, Paris
Laboratoire Cnrs Recherche Médicale à Neurodiderot
González-Pinto, Ana María
Spain, Vitoria-gasteiz
Instituto de Investigación Sanitaria Bioaraba
Gottlieb, John F.
United States, Evanston
Northwestern University
Grof, Paul
Canada, Toronto
University of Toronto
Haarman, Bartholomeus C.M.
Netherlands, Groningen
Rijksuniversiteit Groningen
Harima, Hirohiko
Japan, Tokyo
Tokyo Metropolitan Matsuzawa Hospital
Hasse-Sousa, Mathias
Brazil, Porto Alegre
Universidade Federal do Rio Grande do Sul
Henry, Chantal
France, Paris
Groupe Hospitalier Universitaire Paris Psychiatrie et Neurosciences
France, Paris
Université Paris Cité
Høffding, Lone
Denmark, Odense
Syddansk Universitet
Houenou, Josselin
France, Paris
Inserm
France, Gif-sur-yvette
Neurospin
Imbesi, Massimiliano
Unknown Affiliation
Isomets̈a, Erkki Tapio
Finland, Helsinki
Helsinki University Hospital
Finland, Helsinki
Terveyden ja Hyvinvoinnin Laitos
Ivković, Maja D.
Serbia, Belgrade
Klinicki Centar Srbije
Janno, Sven
Estonia, Tartu
Tartu Ülikool
Johnsen, Simon
Denmark, Aalborg
Aalborg Universitetshospital
Kapczinski, Flávio Pereira
Brazil, Porto Alegre
Universidade Federal do Rio Grande do Sul
Karakatsoulis, Gregory N.
Greece, Thessaloniki
Aristotle University of Thessaloniki
Kardell, Mathias
Sweden, Gothenburg
Göteborgs Universitet
Vedel Kessing, Lars Vedel
Denmark, Copenhagen
Rigshospitalet
Kim, Seong-jae
Unknown Affiliation
König, Barbara
Austria, Wiener Neustadt
Bipolar Zentrum Wiener Neustadt
Kot, Timur L.
Russian Federation, Khanty-mansiysk
Khanty-mansiysk Clinical Psychoneurological Hospital
Koval, Michael
United States, East Lansing
Michigan State University
Kunz, Maurício
Brazil, Porto Alegre
Universidade Federal do Rio Grande do Sul
Lafer, Beny
Brazil, Sao Paulo
Universidade de São Paulo
Landén, Mikaél
Sweden, Gothenburg
Göteborgs Universitet
Sweden, Stockholm
Karolinska Institutet
Larsen, Erik Roj
Denmark, Esbjerg
University of Southern Denmark, Esbjerg
Lenger, Melanie
Austria, Graz
Medizinische Universität Graz
Lewitzka, Ute
Germany, Dresden
Technische Universität Dresden
Licht, Rasmus Wentzer
Denmark, Aalborg
Aalborg Universitetshospital
Denmark, Aalborg
Aalborg University
López-Jaramillo, Carlos Alberto
Colombia, Medellin
Universidad de Antioquia
MacKenzie, Alan
United Kingdom, Glasgow
Nhs Greater Glasgow and Clyde
Madsen, Helle Ostergaard
Denmark, Copenhagen
Copenhagen University Hospital
Madsen, Simone Alberte Kongstad A.
Denmark, Aalborg
Aalborg Universitetshospital
Mahadevan, Jayant
India, Bengaluru
National Institute of Mental Health and Neuro Sciences
Mahardika, Agustine
Indonesia, Mataram
University of Mataram
Manchia, Mirko
Canada, Halifax
Dalhousie University
Italy, Cagliari
Università Degli Studi Di Cagliari
Italy, Cagliari
Azienda Ospedaliero Universitaria Di Cagliari
Marsh, Wendy K.
United States, Worcester
University of Massachusetts Chan Medical School
Martínez-Cengotitabengoa, M.
Spain, Leioa
Universidad Del Pais Vasco
Martiny, Klaus P.J.
Denmark, Copenhagen
Copenhagen University Hospital
Mashima, Yuki
Japan, Tokyo
Keio University School of Medicine
McLoughlin, Declan M.
Ireland, Dublin
Trinity College Dublin
Meesters, Ybe
Netherlands, Groningen
Rijksuniversiteit Groningen
Melle, Ingrid S.
Norway, Oslo
Universitetet I Oslo
Meza-Urzúa, Fátima
Mexico, Mexico
Instituto Nacional de Psiquiatría Ramon de la Fuente
Ming, Mokyee
Singapore, Singapore City
Singapore Institute of Mental Health
Monteith, Scott
United States, Grand Rapids
Msu College of Human Medicine
Moorthy, Muthukumaran
India, Bengaluru
National Institute of Mental Health and Neuro Sciences
Morken, Gunnar
Norway, Trondheim
Norges Teknisk-naturvitenskapelige Universitet
Norway, Trondheim
Universitetssykehuset I Trondheim
Mosca, Enrica
Italy, Cagliari
Università Degli Studi Di Cagliari
Mozzhegorov, Anton A.
Russian Federation, Urai
Soviet Psychoneurological Hospital
Muñoz, Rodrigo A.
United States, La Jolla
University of California, San Diego
Mythri, Starlin Vijay
India, Hyderabad
Asha Hospital
Nacef, Fethi
Tunisia, Tunis
Faculté de Médecine de Tunis
Nadella, Ravi Kumar
India, Bengaluru
National Institute of Mental Health and Neuro Sciences
Nielsen, René Ernst
Denmark, Aalborg
Aalborg Universitetshospital
Denmark, Aalborg
Aalborg University
O'Donovan, Claire
Canada, Halifax
Dalhousie University
Omrani, Adel
Tunisia, Tunis
Tunisian Bipolar Forum
Osher, Yamima
Israel, Beer-sheva
Beer Sheva Mental Health Center
Ouali, Uta
Tunisia, Tunis
Faculté de Médecine de Tunis
Pfennig, Andrea
Germany, Dresden
Technische Universität Dresden
Ruiz, Yolanda Pica
Mexico, Mexico
Hospital Angeles Del Pedregal
Pilhatsch, Maximilian
Germany, Dresden
Technische Universität Dresden
Pinna, Marco
Italy, Cagliari
Università Degli Studi Di Cagliari
Italy, Cagliari
Lucio Bini Mood Disorder Center
Pompili, Maurizio
Italy, Rome
Sapienza Università Di Roma
Quiroz, Danilo
Chile, Santiago
Universidad Diego Portales
Ramesar, Rajkumar S.
South Africa, Tygerberg
South African Medical Research Council
Rasgon, Natalie L.
United States, Stanford
Stanford University School of Medicine
Ratta-apha, Woraphat
Thailand, Nakhon Pathom
Mahidol University
Reddy, Mukku Shiva Shanker
India, Hyderabad
Asha Hospital
Reif, Andreas
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Ritter, Philipp S.
Germany, Dresden
Technische Universität Dresden
Rybakowski, Janusz K.
Poland, Poznan
Poznan University of Medical Sciences
Miranda-Scippa, Ängela Marisa De Aquino
Brazil, Salvador
Universidade Federal da Bahia
Simhandl, Christian
Austria, Vienna
Sigmund Freud Privatuniversitat Wien
Severus, Emanuel W.
Germany, Dresden
Technische Universität Dresden
Stackhouse, Paul W.
United States, Hampton
Nasa Langley Research Center
Stein, Dan J.
South Africa, Tygerberg
South African Medical Research Council
Strejilevich, Sergio Adrián
Argentina, Buenos Aires
Universidad Favaloro
Su, Kuanpin
Taiwan, Taichung
China Medical University
Subramaniam, Mythily
Singapore, Singapore City
Singapore Institute of Mental Health
Suominen, Kirsi H.
Finland, Helsinki
City of Helsinki
Tatebayashi, Yoshitaka
Japan, Tokyo
Tokyo Metropolitan Institute of Medical Science
Tondo, Leonardo
United States, Belmont
Mclean Hospital
Torrent, Carla
Spain, Barcelona
Institut D'investigacions Biomèdiques August pi I Sunyer - Idibaps
Vaaler, Arne Einar
Norway, Trondheim
Norges Teknisk-naturvitenskapelige Universitet
Norway, Trondheim
Universitetssykehuset I Trondheim
Veeh, Julia
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Vieta, Eduard
Spain, Barcelona
Institut D'investigacions Biomèdiques August pi I Sunyer - Idibaps
Viswanath, Biju
India, Bengaluru
National Institute of Mental Health and Neuro Sciences
Young, Allan H.
United Kingdom, London
King's College London
Zgueb, Yosra
Tunisia, Tunis
Faculté de Médecine de Tunis
Whybrow, Peter C.
United States, Los Angeles
University of California, Los Angeles
Statistics
Citations: 12
Authors: 143
Affiliations: 101
Identifiers
Doi:
10.1186/s40345-021-00231-7
ISSN:
21947511
Research Areas
Mental Health
Substance Abuse
Study Design
Cohort Study
Exploratory Study
Participants Gender
Female