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Resumo O objetivo deste estudo foi investigar evidências validade para a escala Generalized Anxiety Disorder (GAD-7) em adolescentes brasileiros, bem como validade concorrente para esta escala e apresentar a distribuição social do Transtorno de Ansiedade Generalizada (TAG). Participaram 302 adolescentes, com idades entre 15 e 19 anos, de ambos os sexos. Aplicou-se o questionário sociodemográfico, a GAD-7, a Hospital Anxiety and Depression Scale (HADS) e o Patient Health Questionnaire (PHQ-9). Os resultados da Análise Fatorial Exploratória (AFE) atestaram a unidimensionalidade da GAD-7 e indicaram consistência interna satisfatória. As evidências de validade concorrente apresentaram associações estatisticamente significativas e positivas entre a GAD-7 e as escalas PHQ-9 e HADS-A. Quanto à distribuição social, aproximadamente metade da amostra apresentou a ocorrência de sintomatologia positiva para TAG, sendo mais comum para o sexo feminino e em adolescentes mais jovens. Esses dados sugerem que a GAD-7 apresenta adequadas propriedades psicométricas para rastreamento de ansiedade em adolescentes.

This study aimed to investigate evidence of validity of the Generalized Anxiety Disorder scale (GAD-7) in Brazilian adolescents, analyze the concurrent validity of the scale, and present the social distribution of Generalized Anxiety Disorder (GAD) in this sample. Participants included 302 adolescents between 15 and 19 years old. A sociodemographic questionnaire, the GAD-7, the Hospital Anxiety and Depression Scale (HADS), and the Patient Health Questionnaire (PHQ-9) were applied. The results of the Exploratory Factor Analysis (EFA) attested to the unidimensionality of GAD-7 and the internal consistency was considered satisfactory. The concurrent validity evidence demonstrated statistically significant and positive associations between the GAD-7 and the PHQ-9 and HADS-A scales. Positive symptoms for GAD in adolescents occurred in almost half of the sample, being more common in girls and younger adolescents. The study concluded that GAD-7 has adequate psychometric properties to screen for anxiety in adolescents. [ABSTRACT FROM AUTHOR]

This study aimed to present validity evidence based on internal structure of the Kessler Scale of Psychological Distress (K10), to show its relations with the Perceived Stress Scale (PSS-10), and to present a social distribution of distress in the present sample. Participated in the study 717 residents of Aracaju, State of Sergipe, by means of household data collection. A sociodemographic questionnaire, K10, and PSS-10 were used as instruments. Exploratory Factor Analysis was performed using the Factor software, which indicated the scale unidimensionality, explaining 69.9% of the variance. Cronbach's alpha was 0.93, and the model adjustment indices were satisfactory. A positive and statistically significant association between K10 and PSS-10 was observed. Regarding the social distribution, the levels of distress were higher in women, patients with chronic diseases, users of controlled drugs, and unemployed participants. It was concluded that K10 presented robust psychometric properties for the detection of distress in general population. [ABSTRACT FROM AUTHOR]