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OBJECTIVE To identify the cross-national prevalence of psychotic symptoms in the general population and to analyze their impact on health status. METHOD The sample was composed of 256,445 subjects (55.9% women), from nationally representative samples of 52 countries worldwide participating in the World Health Organization's World Health Survey.(More)
BACKGROUND Nosological boundaries for depressive disorders as well as the prevalence and impact of 'subsyndromal' depression remain unclear. AIMS To examine the impact of subsyndromal depressive disorders on health status and to assess if depressive disorders lie on a continuum of severity. METHOD The sample was composed of randomly selected respondents(More)
BACKGROUND Subthreshold depressive disorders (minor and subthrehold depression) have been defined in a wide range of forms, varying on the number of symptoms and duration required. Disability associated with these conditions has also been reported. Our aim was to review the different definitions and to determine factors associated with these conditions in(More)
OBJECTIVES This study aims to explore the relationship between knowledge about aging and severity of worry in older adults, and to test the potential mediational role of intolerance of uncertainty. METHOD The sample was composed of 120 community-dwelling older adults, with a mean of age of 71.0 years (SD = 6.3). Mediational analyses and structural(More)
OBJECTIVE To evaluate the efficacy of different types of behavioral treatments for geriatric anxiety (cognitive behavior therapy [CBT] alone, CBT with relaxation training [RT], and RT alone). METHOD The authors compared effect sizes from 19 trials. Analyses were based on uncontrolled outcomes (comparing posttreatment and pretreatment scores) and effects(More)
BACKGROUND In the Avon Longitudinal Study of Parents and Children (ALSPAC) birth cohort, chronic disabling fatigue lasting ≥6 months affected 1.3% of 13-year-olds, was equally common in boys and girls, and became more prevalent with increasing family adversity. METHODS ALSPAC data were used to estimate the prevalence of chronic fatigue syndrome (CFS) at(More)
OBJECTIVE To analyze with a symptom-based approach the relationship between psychosis and diabetes mellitus in the general population. METHOD Nationally representative samples from the World Health Organization (WHO) World Health Survey, totaling 224,743 randomly selected adults 18 years and older from 52 countries worldwide, were interviewed to establish(More)
OBJECTIVE To analyze, in a general population sample, clustering of delusional and hallucinatory experiences in relation to environmental exposures and clinical parameters. METHOD General population-based household surveys of randomly selected adults between 18 and 65 years of age were carried out. SETTING 52 countries participating in the World Health(More)
The Center for Epidemiologic Studies-Depression Scale (CES-D) is the most frequently used scale for measuring depressive symptomatology in caregiving research. The aim of this study is to test its construct structure and measurement equivalence between caregivers from two Spanish-speaking countries. Face-to-face interviews were carried out with 595 female(More)
This study explored whether physical health problems are related to psychotic symptoms independently of a mental disorder diagnosis. A total of 224,254 subjects recruited for the World Health Organization World Health Survey were subdivided into those with both a lifetime diagnosis of psychosis and at least one psychotic symptom in the 12 months prior to(More)