The Genetic Links to anxiety and depression (GLAD) study: Online recruitment into the largest recontactable study of depression and anxiety

Molly Davies, Gursharan Kalsi, C Armour, Ian Jones, Andrew McIntosh, Daniel Smith, James Walters, John Bradley, Nathalie Kingston, Sofie Ashford, Ioana Beange, Anamaria Brailean, Anthony Cleare, Jonathan Coleman, Charles Curtis, Susannah Curzons, Katrina Davis, L Dowey, Victor A Gault, Kimberley GoldsmithMegan Bennett, Yoriko Hirose, Matthew Hotopf, Christopher Hübel, Carola Kanz, Jennifer Leng, Donald Lyall, Bethany Mason, Monika McAtarsney-Kovacs, Dina Monssen, Alexei Moulton, Nigel Ovington, Elisavet Palaiologou, Carmine Pariante, Shivani Parikh, Alicia Peel, RK Price, Katharine Rimes, Henry Rogers, Jennifer Sambrook, Megan Skelton, Anna Spaul, Eddy Suarez, Bronte Sykes, Keith Thomas, Allan Young, Evangelos Vassos, David Veale, Katie White, Janet Wingrove, Thalia Eley, Gerome Breen

Research output: Contribution to journalArticle

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Abstract

Background
Anxiety and depression are common, debilitating and costly. These disorders are influenced by multiple risk factors, from genes to psychological vulnerabilities and environmental stressors, but research is hampered by a lack of sufficiently large comprehensive studies. We are recruiting 40,000 individuals with lifetime depression or anxiety and broad assessment of risks to facilitate future research.
Methods
The Genetic Links to Anxiety and Depression (GLAD) Study (www.gladstudy.org.uk) recruits individuals with depression or anxiety into the NIHR Mental Health BioResource. Participants invited to join the study (via media campaigns) provide demographic, environmental and genetic data, and consent for medical record linkage and recontact.
Results
Online recruitment was effective; 42,531 participants consented and 27,776 completed the questionnaire by end of July 2019. Participants’ questionnaire data identified very high rates of recurrent depression, severe anxiety, and comorbidity. Participants reported high rates of treatment receipt. The age profile of the sample is biased toward young adults, with higher recruitment of females and the more educated, especially at younger ages.
Discussion
This paper describes the study methodology and descriptive data for GLAD, which represents a large, recontactable resource that will enable future research into risks, outcomes, and treatment for anxiety and depression.
Original languageEnglish
Article number103503
Number of pages28
JournalBehaviour Research and Therapy
Volume123
Issue number103503
Early online date24 Oct 2019
DOIs
Publication statusPublished - 1 Dec 2019

Keywords

  • Anxiety
  • Behavior genetics
  • Data sharing
  • Depression
  • Life events
  • Psychiatric genetics

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    Davies, M., Kalsi, G., Armour, C., Jones, I., McIntosh, A., Smith, D., Walters, J., Bradley, J., Kingston, N., Ashford, S., Beange, I., Brailean, A., Cleare, A., Coleman, J., Curtis, C., Curzons, S., Davis, K., Dowey, L., Gault, V. A., ... Breen, G. (2019). The Genetic Links to anxiety and depression (GLAD) study: Online recruitment into the largest recontactable study of depression and anxiety. Behaviour Research and Therapy, 123(103503), [103503]. https://doi.org/10.1016/j.brat.2019.103503