NCT02041741CompletedNot Applicable
Happiness in Flanders: A Randomized, Wait-List Controlled Study
Universitaire Ziekenhuizen KU Leuven1 site in 1 country10,863 target enrollmentStarted: January 1, 2014Last updated:
Conditions
Interventions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Enrollment
- 10,863
- Locations
- 1
- Primary Endpoint
- Steen Happiness Inventory
Study Overview
Brief Summary
This study aims to assess the effects of two different types of interventions aimed at increasing happiness in the Flemish general population as compared to individuals that receive no intervention.
Detailed Description
This randomized trial has two aims:
- First, it investigates the efficacy of two different happiness interventions in increasing feelings of happiness in the Flemish general population using a wait-list controlled design.
- Second, this study aims to identify predictors of response in both interventions ("what works for whom?")
Methods
Design and procedure
- Participants will be contacted through social media and directed to a website that is specifically designed for this study.
- All participants who register for the study first will electronically sign an informed consent and will be asked to complete a brief battery of questionnaires online (base line measures) before randomization.
- Participants then are assigned randomly using a block-randomized design to one of the three conditions using a computerized algorithm:
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Treatment
- Masking
- Single (Investigator)
Eligibility Criteria
- Ages
- 18 Years to — (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •Sufficient fluency in Flemish
- •at least 18 years of age
Exclusion Criteria
- •no fluency in Flemish
- •living outside of Flanders
Arms & Interventions
Weekly tips
Active Comparator
Daily small and concrete happiness tips
Intervention: Weekly tips (Behavioral)
Daily Tips
Active Comparator
Weekly more in-depth happiness tips involving an active (doing and experiencing) task
Intervention: Daily Tips (Behavioral)
Wait-List Control
No Intervention
No intervention
Outcomes
Primary Outcomes
Steen Happiness Inventory
Time Frame: 4 weeks after start of intervention and 6 months after end of intervention
Subjective Happiness Scale
Time Frame: 4 weeks after start of intervention and 6 months after end of intervention
Secondary Outcomes
- Positive and Negative Affect Scale (PANAS)(4 weeks after start of intervention and 6 months after end of intervention)
- Warwick Edinburgh Mental Well-Being Scale(4 weeks after start of intervention and 6 months after end of intervention)
- Patient Health Questionnaire-9 (PHQ-9)(4 weeks after start of intervention and 6 months after end of intervention)
- Brief Symptom Inventory (KKL, Korte KlachtenLijst)(4 weeks after start of intervention and 6 months after end of intervention)
Investigators
Study Sites (1)
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