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Work-Related Mental Ill-Health in Adults With ADHD: Lived Experiences and Internet-Delivered Cognitive-Behavioral Stress Management
Stockholm University, Faculty of Social Sciences, Department of Psychology.ORCID iD: 0000-0002-8209-5351
2026 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Adults with attention-deficit/hyperactivity disorder (ADHD) are at increased risk of adverse occupational outcomes and work-related mental ill-health. Yet, there is limited knowledge about how these difficulties are experienced by working adults with ADHD and few psychological interventions that target work-related mental health in this population. This thesis reports a four-year research project combining qualitative exploration with iterative development and controlled evaluation of a novel internet-delivered stress-management program based on cognitive-behavioral therapy (CBT).

Study I used semi-structured interviews with working adults with ADHD (n = 20) and qualitative content analysis to explore how participants understood the interplay between ADHD symptoms, workplace demands, and mental health. Participants described a working life characterized by sustained stress, persistent anxiety, impaired recovery, and repeated episodes of exhaustion, often compounded by emotional dysregulation and social hypersensitivity. They also reported limited access to healthcare support beyond pharmacological treatment of ADHD symptoms.

Study II translated these findings into Working with ADHD, a 12-module, internet-delivered cognitive-behavioral stress-management program with clinical support on demand. The intervention was tested in a single-arm open pilot trial (n = 36) with quality of life as the primary outcome. The program showed high adherence and large pre-to-post improvements across quality of life and multiple symptom measures. Participants’ feedback informed refinements to structure and content before large-scale evaluation.

Study III evaluated the revised program in a three-arm randomized controlled trial (n = 240) with a structurally matched mindfulness-based comparator and a waitlist control. Both active interventions outperformed the waitlist on quality of life and several symptom measures, with gains generally maintained at 12-week follow-up. No significant differences were observed between CBT and mindfulness at posttreatment; at 12-week follow-up, a single difference emerged for depressive symptoms, favoring mindfulness. Deterioration was rare, although most treated participants did not reach reliable improvement or recovery.

Overall, the findings deepen the understanding of work-related mental ill-health among adults with ADHD and support the feasibility and potential benefit of internet-delivered stress-management interventions in this population, while underscoring the need to optimize outcomes and clarify for whom, and under what conditions, digital support is most effective.

Place, publisher, year, edition, pages
Stockholm: Department of Psychology, Stockholm University , 2026. , p. 73
Keywords [en]
adult ADHD, work-related mental ill-health, quality of life, cognitive-behavioral therapy, internet-delivered intervention, stress management, mindfulness, randomized controlled trial, qualitative content analysis
National Category
Applied Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-253691ISBN: 978-91-8107-570-0 (print)ISBN: 978-91-8107-571-7 (electronic)OAI: oai:DiVA.org:su-253691DiVA, id: diva2:2048608
Public defence
2026-05-13, Hörsal 6, hus 4, Albanovägen 12, Stockholm, 13:00 (English)
Opponent
Supervisors
Available from: 2026-04-20 Created: 2026-03-25 Last updated: 2026-04-13Bibliographically approved
List of papers
1. Stress and work-related mental illness among working adults with ADHD: a qualitative study
Open this publication in new window or tab >>Stress and work-related mental illness among working adults with ADHD: a qualitative study
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2022 (English)In: BMC Psychiatry, E-ISSN 1471-244X, Vol. 22, no 1, article id 751Article in journal (Refereed) Published
Abstract [en]

Background: Though many adults with ADHD underperform professionally, are more stressed, and have more days of sickness absence compared to adults without ADHD, few studies have explored the experience of working as an adult with ADHD. This study explores the general experience of working with ADHD, including stress and work-related mental illness.

Methods: Semi-structured telephone interviews were conducted with 20 working adults with ADHD. Interview topics included how the ADHD diagnosis and/or symptoms of ADHD may have affected participants on the job, how work may have affected participants’ well-being, and the need for support and accommodation. Qualitative content analysis was used to explore verbatim transcripts from the interviews.

Results: The analysis yielded three themes that describe some of the challenges of working with ADHD: Working and living with ADHD, Needs, and Special abilities, with a total of eight subcategories. Subcategories were Specific challenges; Relationships and cooperation; Negative consequences; Planning, prioritization, organization, and structure; Support, interventions, accommodations, and aids; Openness, understanding, and acceptance; Strategies; Strengths and qualities.

Conclusion: Further knowledge about the challenges of working with ADHD is needed in workplaces; where organizational support is lacking, much in terms of accommodations and aids is up to the employee, and the disclosure of diagnoses may be associated with great dilemma.

Keywords
adult adhd, work, stress, mental health, qualitative content analysis
National Category
Psychology
Research subject
Psychology
Identifiers
urn:nbn:se:su:diva-212377 (URN)10.1186/s12888-022-04409-w (DOI)000892991500006 ()36451126 (PubMedID)2-s2.0-85143090678 (Scopus ID)
Note

This study was made possible through a generous grant from Region Stockholm (FoUI-941466). The funder had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Open access funding provided by Stockholm University.

Available from: 2022-12-06 Created: 2022-12-06 Last updated: 2026-03-25Bibliographically approved
2. Web-Based Stress Management for Working Adults With Attention-Deficit/Hyperactivity Disorder (ADHD): Single-Arm, Open Pilot Trial
Open this publication in new window or tab >>Web-Based Stress Management for Working Adults With Attention-Deficit/Hyperactivity Disorder (ADHD): Single-Arm, Open Pilot Trial
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2025 (English)In: JMIR Formative Research, E-ISSN 2561-326X, Vol. 9, article id e66388Article in journal (Refereed) Published
Abstract [en]

Background: National and international guidelines advocate for a multimodal approach to treating adult attention-deficit/hyperactivity disorder (ADHD), combining pharmacotherapy with psychological interventions. While recent reviews support cognitive behavioral therapy (CBT) as a viable treatment for ADHD in adults, evidence remains limited. Another challenge is the availability of psychological interventions, with stimulants remaining the primary treatment choice for adults with ADHD. One promising approach to increasing access to psychological interventions is the dissemination of internet-delivered CBT.

Objective: This study evaluated the feasibility, acceptability, and effects of a guided web-based stress management program specifically designed for working adults with ADHD. The intervention aimed to enhance quality of life by addressing stress, exhaustion, anxiety, and depression, commonly experienced by this population.

Methods: Thirty-six participants took part in a single-arm open trial, with assessments before, during, and after the intervention. The intervention consisted of 12 modules based on CBT principles, focusing on executive functioning, stress management, and emotion regulation, with clinician support on demand. Primary and secondary outcomes included quality of life (Adult ADHD Quality of Life Scale [AAQoL]), perceived stress (Perceived Stress Scale [PSS-10]), exhaustion (Karolinska Exhaustion Disorder Scale [KEDS]), anxiety (Generalized Anxiety Disorder 7-item Scale [GAD-7]), depression (Patient Health Questionnaire [PHQ-9]), and ADHD symptoms (the World Health Organization Adult ADHD Self-Report Scale [ASRS]).

Results: Results indicated a statistically and clinically significant improvement in quality of life (Cohen d=0.84), and a reduction in ADHD symptoms (d=0.98), as well as statistically significant reductions in perceived stress (d=0.83), exhaustion (d=1.12), anxiety (d=1.70), and depression (d=1.25). Improvements were sustained at a 12-week follow-up. A clinically significant improvement in quality of life was observed in 36% (13/36) of participants. Participants reported high satisfaction with the program and the guidance. Adherence was high, with an overall assessment response rate of 84%, a mean of 78% of modules opened, and no explicit dropouts. Twelve of the 36 participants reported negative effects. Qualitative content analysis of participants’ written feedback revealed positive experiences and suggestions for improvement.

Conclusions: This study suggests promise for web-delivered interventions tailored to the needs of adults with ADHD, pending further research and development in controlled studies.

Keywords
attention deficit disorder with hyperactivity, cognitive behavioral therapy, internet-based intervention, pilot projects, quality of life
National Category
Applied Psychology
Research subject
Psychology
Identifiers
urn:nbn:se:su:diva-244169 (URN)10.2196/66388 (DOI)001533679600037 ()40440640 (PubMedID)2-s2.0-105006983630 (Scopus ID)
Available from: 2025-06-16 Created: 2025-06-16 Last updated: 2026-03-25Bibliographically approved
3. Internet-Delivered Cognitive-Behavioral and Mindfulness-Based Stress Management for Working Adults with ADHD: A Randomized Controlled Trial
Open this publication in new window or tab >>Internet-Delivered Cognitive-Behavioral and Mindfulness-Based Stress Management for Working Adults with ADHD: A Randomized Controlled Trial
Show others...
(English)Manuscript (preprint) (Other academic)
National Category
Applied Psychology
Identifiers
urn:nbn:se:su:diva-253690 (URN)
Available from: 2026-03-24 Created: 2026-03-24 Last updated: 2026-04-07

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