Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder - Archive ouverte HAL Access content directly
Journal Articles International Journal of Bipolar Disorders Year : 2021

Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder

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Michael Bauer
Tasha Glenn
  • Function : Author
Eric Achtyes
  • Function : Author
Martin Alda
  • Function : Author
Esen Agaoglu
  • Function : Author
Kürşat Altınbaş
  • Function : Author
Ole Andreassen
  • Function : Author
Elias Angelopoulos
  • Function : Author
Raffaella Ardau
  • Function : Author
Edgar Arrua Vares
  • Function : Author
Memduha Aydin
  • Function : Author
Yavuz Ayhan
  • Function : Author
Christopher Baethge
  • Function : Author
Rita Bauer
  • Function : Author
Bernhard Baune
  • Function : Author
Ceylan Balaban
  • Function : Author
Claudia Becerra-Palars
  • Function : Author
Aniruddh Behere
  • Function : Author
Prakash Behere
  • Function : Author
Habte Belete
  • Function : Author
Tilahun Belete
  • Function : Author
Gabriel Okawa Belizario
  • Function : Author
Robert Belmaker
  • Function : Author
Francesco Benedetti
  • Function : Author
Michael Berk
  • Function : Author
Yuly Bersudsky
  • Function : Author
Şule Bicakci
  • Function : Author
Harriet Birabwa-Oketcho
  • Function : Author
Thomas Bjella
  • Function : Author
Conan Brady
  • Function : Author
Jorge Cabrera
  • Function : Author
Marco Cappucciati
  • Function : Author
Angela Marianne Paredes Castro
  • Function : Author
Wei-Ling Chen
  • Function : Author
Eric Cheung
  • Function : Author
Silvia Chiesa
  • Function : Author
Marie Crowe
  • Function : Author
Alessandro Cuomo
  • Function : Author
Sara Dallaspezia
  • Function : Author
Maria del Zompo
  • Function : Author
Pratikkumar Desai
  • Function : Author
Seetal Dodd
  • Function : Author
Markus Donix
  • Function : Author
Andrea Fagiolini
  • Function : Author
Frederike Fellendorf
  • Function : Author
Ewa Ferensztajn-Rochowiak
  • Function : Author
Jess Fiedorowicz
  • Function : Author
Kostas Fountoulakis
  • Function : Author
Mark Frye
  • Function : Author
Ana Gonzalez-Pinto
  • Function : Author
John Gottlieb
  • Function : Author
Paul Grof
  • Function : Author
Bartholomeus Haarman
  • Function : Author
Hirohiko Harima
  • Function : Author
Mathias Hasse-Sousa
  • Function : Author
Lone Høffding
  • Function : Author
Massimiliano Imbesi
  • Function : Author
Erkki Isometsä
  • Function : Author
Maja Ivkovic
  • Function : Author
Sven Janno
  • Function : Author
Simon Johnsen
  • Function : Author
Flávio Kapczinski
  • Function : Author
Gregory Karakatsoulis
  • Function : Author
Mathias Kardell
  • Function : Author
Lars Vedel Kessing
  • Function : Author
Seong Jae Kim
  • Function : Author
Barbara König
  • Function : Author
Timur Kot
  • Function : Author
Michael Koval
  • Function : Author
Mauricio Kunz
  • Function : Author
Beny Lafer
  • Function : Author
Mikael Landén
  • Function : Author
Erik Larsen
  • Function : Author
Melanie Lenger
  • Function : Author
Ute Lewitzka
  • Function : Author
Rasmus Licht
  • Function : Author
Carlos Lopez-Jaramillo
  • Function : Author
Alan Mackenzie
  • Function : Author
Helle Østergaard Madsen
  • Function : Author
Jayant Mahadevan
  • Function : Author
Agustine Mahardika
  • Function : Author
Mirko Manchia
  • Function : Author
Wendy Marsh
  • Function : Author
Klaus Martiny
  • Function : Author
Yuki Mashima
  • Function : Author
Declan Mcloughlin
  • Function : Author
Ybe Meesters
  • Function : Author
Ingrid Melle
  • Function : Author
Fátima Meza-Urzúa
  • Function : Author
Mok Yee Ming
  • Function : Author
Scott Monteith
  • Function : Author
Muthukumaran Moorthy
  • Function : Author
Gunnar Morken
  • Function : Author
Enrica Mosca
  • Function : Author
Anton Mozzhegorov
  • Function : Author
Rodrigo Munoz
  • Function : Author
Starlin Mythri
  • Function : Author
Fethi Nacef
  • Function : Author
Ravi Nadella
  • Function : Author
Takako Nakanotani
  • Function : Author
René Ernst Nielsen
  • Function : Author
Claire O'Donovan
  • Function : Author
Adel Omrani
  • Function : Author
Yamima Osher
  • Function : Author
Uta Ouali
  • Function : Author
Maja Pantovic-Stefanovic
  • Function : Author
Pornjira Pariwatcharakul
  • Function : Author
Joanne Petite
  • Function : Author
Andrea Pfennig
  • Function : Author
Yolanda Pica Ruiz
  • Function : Author
Maximilian Pilhatsch
  • Function : Author
Marco Pinna
  • Function : Author
Maurizio Pompili
  • Function : Author
Richard Porter
  • Function : Author
Danilo Quiroz
  • Function : Author
Raj Ramesar
  • Function : Author
Natalie Rasgon
  • Function : Author
Woraphat Ratta-Apha
  • Function : Author
Michaela Ratzenhofer
  • Function : Author
Maria Redahan
  • Function : Author
M. Reddy
  • Function : Author
Andreas Reif
  • Function : Author
Eva Reininghaus
  • Function : Author
Jenny Gringer Richards
  • Function : Author
Philipp Ritter
  • Function : Author
Janusz Rybakowski
  • Function : Author
Leela Sathyaputri
  • Function : Author
Ângela Scippa
  • Function : Author
Christian Simhandl
  • Function : Author
Emanuel Severus
  • Function : Author
Daniel Smith
  • Function : Author
José Smith
  • Function : Author
Paul Stackhouse
  • Function : Author
Dan Stein
  • Function : Author
Kellen Stilwell
  • Function : Author
Sergio Strejilevich
  • Function : Author
Kuan-Pin Su
  • Function : Author
Mythily Subramaniam
  • Function : Author
Ahmad Hatim Sulaiman
  • Function : Author
Kirsi Suominen
  • Function : Author
Andi Tanra
  • Function : Author
Yoshitaka Tatebayashi
  • Function : Author
Wen Lin Teh
  • Function : Author
Leonardo Tondo
  • Function : Author
Carla Torrent
  • Function : Author
Daniel Tuinstra
  • Function : Author
Takahito Uchida
  • Function : Author
Arne Vaaler
  • Function : Author
Julia Veeh
  • Function : Author
Eduard Vieta
  • Function : Author
Biju Viswanath
  • Function : Author
Maria Yoldi-Negrete
  • Function : Author
Oguz Kaan Yalcinkaya
  • Function : Author
Allan Young
  • Function : Author
Yosra Zgueb
  • Function : Author
Peter Whybrow
  • Function : Author

Abstract

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.
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Dates and versions

inserm-03854551 , version 1 (15-11-2022)

Identifiers

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Michael Bauer, Tasha Glenn, Eric Achtyes, Martin Alda, Esen Agaoglu, et al.. Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder. International Journal of Bipolar Disorders, 2021, 9 (1), pp.26. ⟨10.1186/s40345-021-00231-7⟩. ⟨inserm-03854551⟩
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