Objective We investigated whether and how perceived social support is associated with depression and quality of life among patients with various cancer diagnoses. Methods Data were collected from 1930 cancer patients treated at the National Cancer Center and nine regional cancer centers across Korea. The Duke‐UNC functional social support scale was used to measure the perceived social support, and the PHQ‐9 and the EORTC QLQ‐C30 were used to measure the cancer patients' depression levels and quality of life, respectively. Results Subjects with low perceived social support reported significantly higher levels of depression, lower scores on all functional scales, higher scores on all three symptom scales, lower global health/quality of life scale scores, and higher scores on most single items than subjects with high perceived social support. There was no interaction between potential stressors and perceived social support, supporting the main effect model as the mechanism that the perceived social support reduce the adverse psychological outcomes. Conclusion Perceived social support was associated with mental health and quality of life in cancer patients, through direct effect rather than stress‐buffering effect. Interventions to enhance perceived social support might be helpful for improving mental health and QOL in cancer patients. Copyright © 2012 John Wiley & Sons, Ltd.

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This paper provides an overview of the Korean Burden of Disease (KBoD) study, which was the first such study to assess the national burden of disease using disability-adjusted life years (DALYs) in an advanced Asian country. The KBoD study generally followed the approach utilized in the original Global Burden of Disease study (GBD), with the exception of the disease classification and epidemiological data estimation methods used, and the relative weightings of disabilities. The results of the present study reveal that the burden of disease per 100,000 of the Korean population originates primarily from; cancer (1,525 Person Years, PYs), cardiovascular disease (1,492 PYs), digestive disease (1,140 PYs), diabetes mellitus (990 PYs), and certain neuro-psychiatric conditions (883 PYs). These results are largely consistent with those of developed countries, but also represent uniquely Korean characteristics.

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