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The Hospital Anxiety and Depression Scale (HADS) is widely used as a tool for assessing psychological distress in patients and non-clinical groups. Previous studies have demonstrated conflicting results regarding the factor structure of the questionnaire for different groups of patients, and the general population. This study investigated the factor(More)
The Hospital Anxiety and Depression Scale (HADS) has been used extensively in cancer patients to identify psychological distress. Reports of the factor structure and screening performance of the instrument vary. Rasch models allow an assessment of the structure of a questionnaire by identifying item fit. Removal of misfitting items may improve both the(More)
Psychological distress is a common problem among cancer patients. Despite the large number of instruments that have been developed to assess distress, their utility remains disappointing. This study aimed to use Rasch models to develop an item-bank which would provide the basis for better means of assessing psychological distress in cancer patients.An item(More)
BACKGROUND Patients' self-reported questionnaires measuring symptoms, functioning and quality of life (QOL) can help physicians to screen and monitor patient problems in oncology practice. Although many self-reported questionnaires have been developed, their role in clinical practice remains unclear. This study explores what oncologists and patients need(More)
Diagnosis of and treatment for cancer may not only create physical and emotional difficulties for patients but may also have an impact on social aspects of patients' lives. Screening for social problems has not become part of routine oncology practice. This may be due to lack of a suitable questionnaire. This paper presents a psychometric analysis of the(More)
OBJECTIVE Estimates for the prevalence of hepatitis C among people with a serious mental illness are high compared with the general population. High-risk behaviours commonly associated with mental illness may contribute to the estimated increased prevalence. This study aims to assess the contribution of risk behaviours to blood-borne virus infection in(More)
This article describes data from 4,111 males and 4,085 females participating in 10 HIV/AIDS service demonstration projects. The sample was diverse in age, gender, ethnicity, HIV status, and risk for HIV transmission. Logistic regression was used to determine the attributes that best predict substance abuse. Males who were younger; HIV positive; homeless;(More)
INTRODUCTION Despite a number of HIV prevention strategies, the number of new HIV infections remains high. In Australia, over three-quarters of new HIV diagnoses are in gay and bisexual men (GBM). Pre-exposure prophylaxis (PrEP) has been shown to be effective at preventing new HIV infections in several randomised trials. The PRELUDE study aims to evaluate(More)
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