International Grief Questionnaire (IGQ)

The International Grief Questionnaire (IGQ) is a quick and easy-to-use measure of ICD-11 PGD. The scale was developed to measure all diagnostic requirements for ICD-11 PGD. The IGQ includes a brief measure of lifetime bereavement, two items measuring the essential symptoms of longing for the deceased and preoccupation with the deceased, and three items measuring the associated distress symptoms. Additional items measure requirements related to functional impairment and exceeding cultural norms. 

 

We have developed a version of the IGQ with clinical checks that may be useful in studies focused on estimating the prevalence of PGD. A caregiver-report version is also available. All versions of the IGQ are freely available for use by all interested parties.  ​

 

Please click on the version of the IGQ that you would like.

International Grief Questionnaire_English

International Grief Questionnaire with Clinical Checks_English

International Grief Questionnaire Caregiver Report Version_English

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International Grief Questionnaire_Ukrainian

International Grief Questionnaire with Clinical Checks_Ukrainian

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Additional translations are being developed and will be uploaded when available. If you wish to contribute a translation, please get in touch with Prof. Philip Hyland by email at philip.hyland@mu.ie​​

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Key publications:

Hyland, P., Redican, E., Karatzias, T., & Shevlin, M. (2024). The International Grief Questionnaire (IGQ): A new measure of ICD-11 prolonged grief disorder. Journal of Traumatic Stress, 37(1), 141–153. https://doi.org/10.1002/jts.22986

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Shevlin, M., Hyland, P., Cloitre, M., Brewin, C., Martsenkovskyi, D., Ben-Ezra, M., Bondjers, K., Karatzias, T., Duffy, M., & Redican, E. (2025). Assessing self-reported prolonged grief disorder with "clinical checks": A proof of principle study. Journal of Traumatic Stress, 38(1), 174–180. https://doi.org/10.1002/jts.23100

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Redican, E., Shevlin, M., Hyland, P., Karatzias, T., Martsenkovskyi, D., & Ben-Ezra, M. (2024). Development and validation of the caregiver-report version of the international grief questionnaire (IGQ-CG): Results from a Ukrainian sample of parents. Clinical Child Psychology and Psychiatry, 29(4), 1481–1496. https://doi.org/10.1177/13591045241260897