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Evaluating the Big Five Intervention in Norway

RECRUITINGN/ASponsored by Haukeland University Hospital
Actively Recruiting
PhaseN/A
SponsorHaukeland University Hospital
Started2025-09-10
Est. completion2026-06-30
Eligibility
Age16 Years+
Healthy vol.Accepted

Summary

This randomized controlled trial will evaluate the Norwegian adaptation of the Big Five intervention (Things You Do; TYD) for individuals with self-reported anxiety and/or depressive symptoms. The study will compare the Big Five intervention with a Gratitude intervention and a waitlist control. A total of 410 participants will be recruited online and randomized to one of three groups. Intervention groups will receive a brief module and daily SMS reminders (Monday-Friday for four weeks) encouraging engagement in either the five daily actions or gratitude practices. The primary aim is to replicate findings from the Australian trial by comparing TYD to a waitlist control. A secondary aim is to examine whether TYD yields better outcomes than the active Gratitude control. This study will provide evidence on the effectiveness and cross-cultural applicability of a low-cost, scalable intervention for improving mental health. Data from the study will also be used to evaluate the psychometric properties of the Norwegian translation of the Things You Do-15 instrument (TYD-15).

Eligibility

Age: 16 Years+Healthy volunteers accepted
Inclusion Criteria:

* PHQ or GAD cutoff 5 or above
* Residing in Norway and have a Norwegian national identity number
* 16 years or above

Exclusion Criteria:

* Reporting 2 or higher on PHQ item 9 (suicidality concerns)
* Do not comprehend Norwegian or English

Conditions3

AnxietyAnxiety DepressionDepression

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