Onset of schizophrenia diagnoses in a large clinical cohort.

We aimed to describe the diagnostic patterns preceding and following the onset of schizophrenia diagnoses in outpatient clinics. A large clinical sample of 26,163 patients with a diagnosis of schizophrenia in at least one outpatient visit was investigated. We applied a Continuous Time Hidden Markov Model to describe the probability of transition from other diagnoses to schizophrenia considering time proximity.

Spanish adaptation of the Dimensional Anhedonia Rating Scale (DARS).

Background: Anhedonia is defined as the lack of enjoyment, engagement in, or energy for life's experiences. Only two scales to measure anhedonia have been adapted for use in Spanish-speaking populations. The aim of this study was to determine the reliability and validity of the Dimensional Anhedonia Rating Scale (DARS) following translation and adaptation for Spanish population.

WHODAS 2.0 as a Measure of Severity of Illness: Results of a FLDA Analysis.

WHODAS 2.0 is the standard measure of disability promoted by World Health Organization whereas Clinical Global Impression (CGI) is a widely used scale for determining severity of mental illness. Although a close relationship between these two scales would be expected, there are no relevant studies on the topic.

User profiles of an electronic mental health tool for ecological momentary assessment: MEmind.

Ecological momentary assessment (EMA) is gaining importance in psychiatry. This article assesses the characteristics of patients who used a new electronic EMA tool: the MEmind Wellness Tracker. Over one year, 13811 adult outpatients in our Psychiatry Department were asked to use MEmind.

Comparative study of pencil-and-paper and electronic formats of GHQ-12, WHO-5 and PHQ-9 questionnaires.

Introduction: The increase in telemedicine in the mental health field has led to psychometric instruments changing from paper-and-pencil administration to an electronic format. A study is performed to determine if both formats are equivalent for well-known questionnaires such as GHQ-12, WHO-5, and PHQ-9.

Material And Methods: Forty-seven volunteers completed GHQ-12, WHO-5 and PHQ-9 questionnaires in paper-and-pencil format, and in the following 24h they completed their electronic versions via the web site www.