The mental health impact of the COVID-19 pandemic on people with and without depressive, anxiety, or obsessive-compulsive disorders: a longitudinal study of three Dutch case-control cohorts


Four-year course of quality of life and obsessive-compulsive disorder

Classification of comorbidity in obsessive–compulsive disorder: A latent class analysis


Obsessive compulsive disorder with and without hoarding symptoms: Characterizing differences

Examining the factor structure of the self-report Yale-Brown Obsessive Compulsive Scale Symptom Checklist

Body mass index in obsessive-compulsive disorder


The relationship between cognitions and symptoms in obsessive-compulsive disorder

Perceptions of free will in obsessive-compulsive disorder: a quantitative analysis

Influence of religion on obsessive–compulsive disorder: Comparisons between Dutch nonreligious, Roman Catholic, and Protestant patients

Chronic obsessive–compulsive disorder: prognostic factors


The impact of poor insight on the course of Obsessive-Compulsive Disorder in patients receiving naturalistic treatment

Predictors of remission at 1-year follow-up among ocd patients: Findings from The Netherlands obsessive-compulsive disorder association (NOCDA) study

The long-term association of OCD and depression and its moderators: A four-year follow up study in a large clinical sample (NOCDA) study


The relation between depressive and obsessive-compulsive symptoms in obsessive-compulsive disorder: Results from a large, naturalistic follow-up study

Tic-Related Versus Tic-Free Obsessive-Compulsive Disorder: Clinical Picture and 2-Year Natural Course

Quality of life and relationship satisfaction of patients with Obsessive Compulsive Disorder


Age of onset in obsessive–compulsive disorder: admixture analysis with a large sample

Obsessive-compulsive disorder; chronic versus non-chronic symptoms

The Relationship Between Adverse Childhood Experiences and Symptom Severity, Chronicity, and Comorbidity in Patients With Obsessive-Compulsive Disorder

Personality and symptom severity in Obsessive–Compulsive Disorder: The mediating role of depression


Clinical relevance of comorbidity in obsessive compulsive disorder: The Netherlands OCD Association study

Gastro-intestinal conditions in patients with obsessive compulsive disorder


The Netherlands Obsessive Compulsive Disorder Association (NOCDA) study: design and rationale of a longitudinal naturalistic study of the course of OCD and clinical characteristics of the sample at baseline

Classification of comorbidity in obsessive–compulsive disorder: A latent class analysis

Classification of comorbidity in obsessive–compulsive disorder: A latent class analysis