Assessment of state and trait anxiety in subjects with anxiety and depressive disorders.
ABSTRACT The State-Trait Anxiety Inventory (STAI) is one of the most widely used scales for the evaluation of anxiety in medical and, to a lesser extent, psychiatric patients. Although there is a relatively large amount of STAI data about anxiety for individuals with a variety of psychiatric disorders, the results of many anxiety studies include only state or trait and many studies have been influenced by comorbidity and by variations in diagnostic criteria used. We studied state and trait anxiety and compared the revised form of the STAI (Form Y) with the original (Form X) to evaluate the anticipated improvement in the measure. In addition, we compared the STAI results with those of another self-report measure (the Symptom Checklist-90 anxiety and depression scales) and also with interviewer-rated measures of anxiety (Hamilton Rating Scale for Anxiety) and depression (Hamilton Rating Scale for Depression). Results indicate that the STAI does not clearly differentiate anxiety disorders from depressive disorders and support the use of multiple tests and of both self-report and interviewer ratings in the evaluation of anxiety and depression in psychiatric patients.
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ABSTRACT: Resumen Este estudio tuvo como objetivo investigar la estructura interna del State-Trait Anxiety Inventory (STAI-T) en una muestra de deportistas de Brasil. Participaron 179 sujetos que practicaban cinco deportes diferentes, con edades entre 14 y 58 años (M=21,04; DT=4,21). El inventario evalúa la ansiedad como estado y como rasgo, pero en este estudio fue utilizada apenas la escala referente a los rasgos, compuesta por 20 ítems dispuestos en una escala Likert de cuatro puntos. Los resultados del análisis factorial confirmatorio indicaron que los ítems no se ajustaron adecuadamente al modelo originalmente establecido por el instrumento y, considerando ese resultado, se optó por realizar un análisis factorial exploratorio, el cual mostró la existencia de dos factores que explicaron el 33% de la variancia. Esos factores fueron denominados de ansiedad presente y ansiedad ausente, con coeficientes de precisión con valores de 0,82 y 0,72 respectivamente. Palabras clave: STAI-T, evidencia de validez, deportistas, psicología del deporte, evaluación psicológica. Abstract This study aimed to examine the internal structure of the State-Trait Anxiety Inventory (STAI-T) in a sample of Brazilian athletes. Participants were 179 subjects practicing five different sports modalities, aged between 14 and 58 years (M = 21.04; SD = 4.21). The inventory assesses anxiety as state and trait, but in this study only the trait anxiety scale was used which is composed of 20 items arranged in a four-point Likert scale. Results of the confirmatory factor analysis indicated the items were not properly adjusted to the instrument's original model. This exploratory factor analysis indicated the existence of two factors that explained 33% of the variance. These factors were called present anxiety and absent anxiety, with reliability coefficients of 0.82 and 0.72 respectively.
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ABSTRACT: Anxiety sensitivity (AS) was modeled as a bifactor in a college-aged sample.•The general factor was associated with negative affect and mood/anxiety symptoms.•AS cognitive concerns was associated with worry and depression.•AS social concerns was associated with all mood/anxiety symptoms.•AS physical concerns was not related to any mood/anxiety symptoms.Personality and Individual Differences 02/2015; 74. DOI:10.1016/j.paid.2014.10.003 · 1.86 Impact Factor
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ABSTRACT: A recent randomised, double-blind, placebo controlled study conducted by our research group, provided partial support for the efficacy of supplementation with a patented curcumin extract (500 mg, twice daily) for 8 weeks in reducing depressive symptoms in people with major depressive disorder. In the present paper, a secondary, exploratory analysis of salivary, urinary and blood biomarkers collected during this study was conducted to identify potential antidepressant mechanisms of action of curcumin. Pre and post-intervention samples were provided by 50 participants diagnosed with major depressive disorder, and the Inventory of Depressive Symptomatology self-rated version (IDS-SR30) was used as the primary depression outcome measure. Compared to placebo, 8 weeks of curcumin supplementation was associated with elevations in urinary thromboxane B2 (p <.05), and substance P (p <001); while placebo supplementation was associated with reductions in aldosterone (p <05) and cortisol (p <05). Higher baseline plasma endothelin-1 (rs=−.587; p <01) and leptin (rs=−.470; p <05) in curcumin-treated individuals was associated with greater reductions in IDS-SR30 score after 8 weeks of treatment. Our findings demonstrate that curcumin supplementation influences several biomarkers that may be associated with its antidepressant mechanisms of action. Plasma concentrations of leptin and endothelin-1 seem to have particular relevance to treatment outcome. Further investigations using larger samples sizes are required to elucidate these findings, as the multiple statistical comparisons completed in this study increased the risk of type I errors.European Neuropsychopharmacology 12/2014; 25(1). DOI:10.1016/j.euroneuro.2014.11.015 · 5.40 Impact Factor