Johannes H. Smit
A5003786607- Genetic Associations and Epidemiology
- Mental Health Research Topics
- Mental Health Treatment and Access
- Digital Mental Health Interventions
- Child and Adolescent Psychosocial and Emotional Development
- Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Tryptophan and brain disorders
- Obsessive-Compulsive Spectrum Disorders
- Health disparities and outcomes
- Suicide and Self-Harm Studies
- Genetics and Neurodevelopmental Disorders
- Stress Responses and Cortisol
- Eating Disorders and Behaviors
- Bone health and osteoporosis research
- Epigenetics and DNA Methylation
- Treatment of Major Depression
- Autism Spectrum Disorder Research
- Schizophrenia research and treatment
- Bipolar Disorder and Treatment
- Posttraumatic Stress Disorder Research
- Psychosomatic Disorders and Their Treatments
- Personality Disorders and Psychopathology
- Health, psychology, and well-being
- Child Abuse and Trauma
- Fibromyalgia and Chronic Fatigue Syndrome Research
Vrije Universiteit Amsterdam
2012-2023
Amsterdam University Medical Centers
2018-2023
Cancer Center Amsterdam
2023
GGZ inGeest
2013-2022
Amsterdam Neuroscience
2011-2022
Public Health Service of Amsterdam
2022
University of Glasgow
2021
Amsterdam UMC Location VUmc
2011-2020
Netherlands Institute for Neuroscience
2019
GGZ Friesland
2019
Abstract The Netherlands Study of Depression and Anxiety (NESDA) is a multi‐site naturalistic cohort study to: (1) describe the long‐term course consequences depressive anxiety disorders, (2) to integrate biological psychosocial research paradigms within an epidemiological approach in order examine (interaction between) predictors consequences. Its design eight‐year longitudinal among 2981 participants aged 18 through 65 years. sample consists 1701 persons with current (six‐month recency)...
Comorbidity of depressive and anxiety disorders is common has been shown to be a consistent predictor chronicity. patterns among specific have not extensively reported. This study examines comorbidity temporal sequencing separate using data from large psychiatric cohort.Baseline (N = 1,783) the Netherlands Study Depression Anxiety, collected between September 2004 February 2007, were used. Current lifetime rates for (DSM-IV-TR criteria) calculated. Associations with sociodemographic,...
<h3>Context</h3> There is a central belief that depression associated with hyperactivity of the hypothalamic-pituitary-adrenal axis, resulting in higher cortisol levels. However, results are inconsistent. <h3>Objective</h3> To examine whether there an association between and various indicators large cohort study. <h3>Design, Setting, Participants</h3> Data from 1588 participants Netherlands Study Depression Anxiety who were recruited community, general practice care, specialized mental...
Vitamin D deficiency is common among older people and can cause mineralization defects, bone loss, muscle weakness.The aim of this study was to investigate the association serum 25-hydroxyvitamin (25-OHD) concentration with current physical performance its decline over 3 yr elderly.The consisted a cross-sectional longitudinal design (3-yr follow-up) within Longitudinal Aging Study Amsterdam.An age- sex-stratified random sample Dutch population used.Subjects included 1234 men women (aged 65...
Objective. To study the prevalence and risk factors of anxiety disorders in older (55–85) population The Netherlands. Method. Longitudinal Aging Study Amsterdam (LASA) is based on a random sample 3107 adults, stratified for age sex, which was drawn from community registries 11 municipalities three regions Anxiety were diagnosed using Diagnostic Interview Schedule two-stage screening design. under comprise vulnerability, stress network-related variables. Both bivariate multivariate...
Objectives: (1) to examine consequences of falls in older men and women (2) risk factors for health service use functional decline among fallers.
<h3>Background</h3> Accurate assessment of the natural history late-life depression requires frequent observation over time. In later life, depressive disorders fulfilling rigorous diagnostic criteria are relatively rare, while subthreshold common. The primary aim was to study depression, systematically comparing those who did with not fulfill criteria. <h3>Methods</h3> Within Longitudinal Aging Study Amsterdam, a large cohort depressed elderly persons (n = 277) identified and followed up...
Whether course trajectories of depressive and anxiety disorders are different, remains an important question for clinical practice informs future psychiatric nosology. This longitudinal study compares in terms diagnostic symptom trajectories, examines prognostic factors.Data from 1209 and/or patients residing primary specialized care settings, participating the Netherlands Study Depression Anxiety. Diagnostic Life Chart Interviews provided 2-year information.Course was more favorable pure...