Carlos García Forero

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Factor analysis models with ordinal indicators are often estimated using a 3-stage procedure where the last stage involves obtaining parameter estimates by least squares from the sample polychoric correlations. A simulation study involving 324 conditions (1,000 replications per condition) was performed to compare the performance of diagonally weighted least(More)
OBJECTIVE We aimed to collect and meta-analyse the existing evidence regarding the performance of the Center for Epidemiologic Studies Depression (CES-D) for detecting depression in general population and primary care settings. METHOD Systematic literature search in PubMed and PsychINFO. Eligible studies were: a) validation studies of screening(More)
PURPOSE To assess the contribution of life events (LEs) on psychosomatic complaints in adolescents/youths taking into account a set of socioeconomic variables. METHODS We tested a conceptual model implemented with structural equation modeling on longitudinal data from a representative sample of adolescents/youths and parents. Psychosomatic complaints were(More)
The performance of parameter estimates and standard errors in estimating F. Samejima's graded response model was examined across 324 conditions. Full information maximum likelihood (FIML) was compared with a 3-stage estimator for categorical item factor analysis (CIFA) when the unweighted least squares method was used in CIFA's third stage. CIFA is much(More)
Indirect costs of mental disorders are considerable and include loss of work productivity. We aimed to study the association between personal annual earnings and common mental disorders in Spain. A cross-sectional population study of a representative sample of noninstitutionalized adults from Spain was performed (ESEMeD-Spain). CIDI 3.0 was administered to(More)
AIM To assess the validity of two cannabis use severity scales among young cannabis users and to evaluate their ability to detect Substance Use Disorders (SUD). PARTICIPANTS 241 volunteers (18-25 years), with a wide spectrum of cannabis use in the last 12 months. MEASUREMENTS The Cannabis Abuse Screening Test (CAST) and Severity of Dependence Scale(More)
OBJECTIVES Establishing the cross-cultural equivalence of the mental well-being construct, as measured with the Warwick-Edinburg Mental Well-being Scale (WEMWBS), by studying potential construct validity biases in two countries with previously reported score differences. STUDY DESIGN AND SETTING We compared the WEMWBS total scores and item responses in(More)
Childhood adversities (CAs) have consistently been associated with mental health problems in childhood and adulthood. However, few studies have employed appropriate statistical methods that take into account overlap among CAs, and many of the ones that did so were based on insufficiently complex models. The present paper studies the prevalence of a wide(More)
Epidemiological studies on mental health and mental comorbidity are usually based on prevalences and correlations between disorders, or some other form of bivariate clustering of disorders. In this paper, we propose a Factor Mixture Model (FMM) methodology based on conceptual models aiming to measure and summarize distinctive disorder information in the(More)
OBJECTIVES To evaluate the performance of the Mental Component of the Short-Form 12 Health Survey, Version 1(SF-12v1), as a screening measure of depressive disorders. METHODS Data come from the European Study of the Epidemiology of Mental Disorders (ESEMeD), a cross-sectional survey carried out on representative samples of 21,425 individuals from the(More)