Article

Longitudinal Comparison of Three Depression Measures in Adult Cancer Patients

School of Medicine, Indiana University, Indianapolis, Indiana, USA
Journal of pain and symptom management (Impact Factor: 2.8). 08/2012; 45(1). DOI: 10.1016/j.jpainsymman.2011.12.284
Source: PubMed

ABSTRACT

CONTEXT: Although a number of depression measures have been used with cancer patients, longitudinal comparisons of several measures in the same patient population have been infrequently reported. OBJECTIVES: To compare the Hopkins Symptom Checklist 20-item depression scale, Short-Form 36 Mental Health Inventory five-item distress scale, and Patient Health Questionnaire nine-item depression scale in adults with cancer. METHODS: Of the 309 cancer patients enrolled in a telecare management trial for depression, 247 completed the three depression measures at both baseline and at three months and a retrospective assessment of global rating of change in depression at three months. Internal consistency and construct validity of each measure were evaluated. Responsiveness was compared by calculating standardized response means and receiver operating characteristic area under the curve, using global rating of change as the external comparator measure. Differences between intervention and control groups in depression change scores were compared by calculating standardized effect sizes (SESs). RESULTS: Internal reliability coefficients for the three measures were ≥0.77 at baseline and ≥0.84 at three months. Construct validity was supported with strong correlations of the depression measures among themselves, moderately strong correlations with other measures of mental health, and moderate correlations with vitality and disability. In terms of responsiveness, standardized response means for all measures significantly differentiated between three groups (improved, unchanged, and worse) as classified by patient-reported global rating of change in depression at three months. The three measures were able to detect a modest treatment effect in the intervention group compared with the control group (SES ranging from 0.21 to 0.43) in the full sample, whereas detecting a greater treatment effect in depressed participants with comorbid pain (SES ranging from 0.30 to 0.58). Finally, the three measures performed similarly in detecting patients with improvement. CONCLUSION: The Hopkins Symptom Checklist 20-item depression scale, Mental Health Inventory five-item distress scale, and Patient Health Questionnaire nine-item depression scale were established as reliable, valid, and responsive depression measures in adults with cancer. Given the current recommendations for measurement-based care, our study shows that clinicians treating depressed cancer patients have several measures from which to choose.

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    • "The reliability coefficient of the total scale (Cronbach's alpha) was good (alpha = 0.84), and all items contributed to this scale. This is similar to the results of other studies [38, 39] . Insufficient CFA fit indices for the total sum scale are also found in other depression questionnaires (e.g., [40]). "
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    ABSTRACT: Background The Patient Health Questionnaire PHQ-9 is a widely used instrument to screen for depression in clinical research. The first aim of this study was to psychometrically test the PHQ-9 in a large sample of cancer patients. The second aim was to calculate unbiased estimates of the depression burden for several cancer groups taking into account age and gender distributions. Methods A sample of 2,059 cancer patients with varying diagnoses were examined in this study six months after discharge from a rehabilitation clinic. A representative sample of 2,693 people from the general population served as controls. Expected PHQ-9 mean scores of the general population sample, regressed on age and gender, were calculated to enable a fair comparison of different groups of cancer patients. Results While the reliability (Cronbach’s alpha) for the PHQ-9 scale was good (alpha ≥ 0.84), the CFA fit indices of the one-dimensional solution were unsatisfactory in the patients’ sample. The factorial analysis confirmed two factors. PHQ-9 mean scores for 15 types of cancer are given, ranging from 4.0 (prostate) to 8.2 (thyroid gland). Differences between expected mean scores (derived from the general population) and raw mean scores of the cancer subsamples are reported that provide a better estimate of the depression burden. Conclusions The results confirmed that the PHQ-9 performs well in testing depression in cancer patients. Regression coefficients can be used for performing unbiased comparisons among cancer groups, not only for this study. The burden of patients with testis cancer and Hodgkin lymphoma is underestimated when age and gender are not taken into account.
    Preview · Article · Dec 2016 · BMC Psychiatry
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    • "This tool is based on the diagnostic criteria for depressive disorder. This is a reliable and valid measure of depression [38] and has been used extensively, including among cancer populations [39]. "
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    ABSTRACT: There are over 25 million people worldwide living with or beyond cancer and this number is increasing. Cancer survivors face a range of problems following primary treatment. One of the most frequently reported and distressing symptoms experienced by cancer survivors is fatigue. There is growing support for survivors who are experiencing problems after cancer treatment to engage in supported self-management. To date there is some evidence of effective interventions to manage fatigue in this population; however, to our knowledge there are no online resources that draw on this information to support self-management of fatigue. This paper describes the protocol for an exploratory randomized controlled trial of an online intervention to support self-management of cancer-related fatigue after primary cancer treatment.Methods/design: This is a parallel-group two-armed (1:1) exploratory randomized controlled trial including 125 cancer survivors experiencing fatigue (scoring >=4 on a unidimensional 11-point numeric rating scale for fatigue intensity) within five years of primary treatment completion with curative intent. Participants will be recruited from 13 NHS Trusts across the UK and randomized to either the online intervention (RESTORE), or a leaflet comparator (Macmillan Cancer Backup, Coping with Fatigue). The primary outcome is a change in Perceived Self-Efficacy for Fatigue Self-Management (as measured by the Perceived Self-Efficacy for Fatigue Self-Management Instrument). Secondary outcomes include impact on perception and experience of fatigue (measured by the Brief Fatigue Inventory), and quality of life (measured by the Functional Assessment of Cancer Therapy - General and the Personal Wellbeing Index). Outcome measures will be collected at baseline, 6 weeks (completion of intervention), and 3 months. Process evaluation (including telephone interviews with recruiting staff and participants) will determine acceptability of the intervention and trial processes. Data from this trial will be used to refine the intervention and contribute to the design of an effectiveness trial. This intervention will be expanded to address other cancer-related problems important to cancer survivors following primary cancer treatment.Trial registration: ISRCTN67521059.
    Full-text · Article · Jun 2013 · Trials
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    ABSTRACT: Objective: Chronic medical illnesses (CMIs) are prevalent in nearly half the working population and are associated with a two-fold risk for developing depression. Burnout is a chronic affective state comprised of symptoms of emotional exhaustion, physical fatigue, and cognitive weariness. It is an outcome of depletion of energetic resources resulting from prolonged exposure to work and life stresses. Building upon the Conservation of Resources theory (Hobfoll, 1989), this prospective study was designed to test the hypothesis that CMI interacts with burnout to facilitate the development of depressive symptoms. Method: Participants were 4,861 employed men and women, aged 19 to 67 years, who came for routine health examinations and were followed for 18 months on average. Forty-seven percent reported having one or more diagnosed CMIs. Results: Burnout was found to predict an increase in depressive symptoms in apparently healthy individuals. Furthermore, the coexistence of burnout in employees with a CMI accelerates the process of developing depressive symptoms within a relatively short period. Burnout was also found to be associated with intensification of preexisting depressive symptoms in employees suffering from different chronic medical conditions (other than cancer), independent of medical comorbidities and other potent confounding variables. Conclusions: Among employees, coexistence of burnout and at least one CMI predicts an increase in depressive symptoms with time. Health care professionals should be made aware of such at-risk employees and follow and manage them closely.
    Full-text · Article · Jul 2013 · Health Psychology
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