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The Daily Assessment of Symptoms – Anxiety (DAS-A) questionnaire was specifically developed to detect reduction of anxiety symptoms in patients with generalized anxiety disorder (GAD) during the first week of treatment. [1] It is also meant to help those suffering from certain symptoms identify and recognize that they are experiencing anxiety.
It is the most commonly used measure of quality of life in clinical trials and studies of depression. [2] The QLDS was developed as a measure to be used in future clinical trials of anti-depressant therapy. [3] It is a 34 item self-rated [4] questionnaire which consists of dichotomous response questions, with the response being either True/Not ...
A number of researchers have explored HADS data to establish the cut-off points for caseness of anxiety or depression. Bjelland et al (2002) [3] through a literature review of a large number of studies identified a cut-off point of 8/21 for anxiety or depression. For anxiety (HADS-A) this gave a specificity of 0.78 and a sensitivity of 0.9.
Some depression rating scales are completed by patients. The Beck Depression Inventory, for example, is a 21-question self-report inventory that covers symptoms such as irritability, fatigue, weight loss, lack of interest in sex, and feelings of guilt, hopelessness or fear of being punished. [11]
The Patient Health Questionnaire (PHQ) is a multiple-choice self-report inventory that is used as a screening and diagnostic tool for mental health disorders of depression, anxiety, alcohol, eating, and somatoform disorders.
The Montgomery–Åsberg Depression Rating Scale (MADRS) is a ten-item [1] diagnostic questionnaire which mental health professionals use to measure the severity of depressive episodes in patients with mood disorders.
The BAI was specifically designed as "an inventory for measuring clinical anxiety" that minimizes the overlap between depression and anxiety scales. [4] While several studies have shown that anxiety measures, including the State-Trait Anxiety Inventory (STAI), are either highly correlated or indistinguishable from depression , [ 13 ] [ 14 ...
The PANAS for Children (PANAS-C) was developed in an attempt to differentiate the affective expressions of anxiety and depression in children. The tripartite model on which this measure is based suggests that high levels of negative affect is present in those with anxiety and depression, but high levels of positive affect is not shared between the two.