Brett D. Thombs

4333 Cote Ste. Catherine Road
Montreal, QC, Canada

Last Updated: 09/26/2026

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Found 417 publications

Mental Health Symptom Changes by Sex or Gender Before and During the COVID-19 Pandemic: A Systematic Review and Meta-Analysis.

Mental Health Symptom Changes by Sex or Gender Before and During the COVID-19 Pandemic: A Systematic Review and Meta-Analysis.

Journal: JAMA network open

Published: August 06, 2026

Minimal detectable change of the Patient Health Questionnaire-9, Patient Health Questionnaire-8, and Patient Health Questionnaire-2: individual patient data meta-analysis.

Minimal detectable change of the Patient Health Questionnaire-9, Patient Health Questionnaire-8, and Patient Health Questionnaire-2: individual patient data meta-analysis.

Journal: BMJ (Clinical research ed.)

Published: July 23, 2026

Risk and Protective Factors for Suicide Mortality in Youths: A Systematic Review and Meta-Analysis.

Risk and Protective Factors for Suicide Mortality in Youths: A Systematic Review and Meta-Analysis.

Journal: JAMA network open

Published: July 02, 2026

Reporting of Cohort and Routinely Collected Data in Randomised Controlled Trial Protocols (SPIRIT-ROUTINE): extension checklist with explanation and elaboration.

Reporting of Cohort and Routinely Collected Data in Randomised Controlled Trial Protocols (SPIRIT-ROUTINE): extension checklist with explanation and elaboration.

Journal: BMJ (Clinical research ed.)

Published: June 12, 2026

Dissemination of study results to participants in rheumatology research: a meta-research review.

Dissemination of study results to participants in rheumatology research: a meta-research review.

Journal: The Lancet. Rheumatology

Published: February 25, 2026

Evaluating context effects on PHQ-8 somatic item scores among people with a chronic medical condition: a scleroderma patient-centred intervention network randomised experiment.

Evaluating context effects on PHQ-8 somatic item scores among people with a chronic medical condition: a scleroderma patient-centred intervention network randomised experiment.

Journal: Epidemiology and psychiatric sciences

Published: February 23, 2026

Patterns of Cohort Participation Among People with Systemic Sclerosis in an Open Cohort: a Scleroderma Patient-centered Intervention Network Cohort Study.

Patterns of Cohort Participation Among People with Systemic Sclerosis in an Open Cohort: a Scleroderma Patient-centered Intervention Network Cohort Study.

Journal: American journal of epidemiology

Published: January 21, 2026

Comparing Novel and Legacy Health Assessment Questionnaire Scoring Methods: A Scleroderma Patient-centered Intervention Network Cohort Study.

Comparing Novel and Legacy Health Assessment Questionnaire Scoring Methods: A Scleroderma Patient-centered Intervention Network Cohort Study.

Journal: The Journal of rheumatology

Published: January 08, 2026

Development and Validation of the Brief Support Group Leader Self-Efficacy Scale Among Scleroderma Peer Support Group Leaders.

Development and Validation of the Brief Support Group Leader Self-Efficacy Scale Among Scleroderma Peer Support Group Leaders.

Journal: ACR open rheumatology

Published: January 04, 2026

Dissemination of study results to participants in mental health research: a meta-research review of studies published in high-impact psychiatry journals.

Dissemination of study results to participants in mental health research: a meta-research review of studies published in high-impact psychiatry journals.

Journal: BMJ open

Published: December 30, 2025

Development of the Fatigue Coping Strategies Questionnaire: a Scleroderma Patient-Centred Intervention Network (SPIN) Cohort Cross-Sectional Study.

Development of the Fatigue Coping Strategies Questionnaire: a Scleroderma Patient-Centred Intervention Network (SPIN) Cohort Cross-Sectional Study.

Journal: Clinical and experimental rheumatology

Published: November 26, 2025

Comparison of the accuracy of latent factor and sum scoring of the Hospital Anxiety and Depression Scale to screen for major depression: An individual participant data meta-analysis.

Comparison of the accuracy of latent factor and sum scoring of the Hospital Anxiety and Depression Scale to screen for major depression: An individual participant data meta-analysis.

Journal: Journal of affective disorders

Published: November 09, 2025

Showing 1-12 of 417

Last Updated: 09/26/2026