Objective: To assess depression status and influencing factors were associated with hospitalized patients with 6 chronic diseases. Methods: We collect the data from 485 patients, they agree to join our study. They were diagnosed as one of 6 chronic diseases, such as stroke, coronary heart disease, chronic obstructive pulmonary disease, diabetes, malignant tumor and chronic kidney disease. The diagnosis of time is from January 2018 to July 2018. Additionally, we collect the information by questionnaires, the information includes patient basic information, patient business situation and depression status. The questionnaires include Self-made patients general information questionnaire and patient health questionnaire (PHQ-9) which is base on the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). Result: Base on results of demographic data analysis, 205 out of 485 patients with chronic diseases had depressive symptoms. The incidence of depressive symptoms was 42.3%, that include 101 cases (49.3%) of mild depression, 62 cases (30.2%) of moderate depression and 42 (20.5%) cases of major depression. In research of depressive symptoms in patients with chronic diseases, those data show statistical significance in demographic analysis as independent variables, such as education level, average monthly medical expenses, duration of illness, number of hospitalizations and self-care ability. Conclusion: On the hand, the course of the disease is positively correlated with the incidence of depressive symptoms, the longer the course the higher the incidence of depression, consistent with similar studies. On another hand, the worse the self-care ability, the higher the incidence of depression, consistent with the results of similar studies.

Objective: To evaluate application of social support and social support utilization for chronic diseases patients who have depression. Methods: 485 patients who were diagnosed as one of 6 chronic diseases, that include diabetes mellitus, stroke, coronary heart disease, malignant tumor, chronic kidney disease or chronic obstructive pulmonary disease were invested to join our study. Their diagnosis of time is from January 2018 to July 2018, and they also suffered from depression during the follow-up period. We used the questionnaires to collect the information from patient, such as patient health questionnaire 9 (C-PHQ-9) which is base on Multidimensional Scale of Perceived Social Support (MSPSS). Result：In all patient characteristics research, the incidence of depressive symptoms was 42.3%, it includes 101 cases of mild depression (49.3%), 62 cases of moderate depression (30.2%) and 42 cases of severe depression (20.5%). Some domains can influence depression in the life, they are education level, course of illness, monthly average medical expenses and self-care ability of patients with chronic depression and non-depression. In addition, some domains are statistical significance in the result, that include total score of social support utilization, perceived friend support, perceived other support, total score of perceived social support, perceived voluntary support, perceived professional support and perceived friendship support. Conclusion: The social support has strongly improvement to depression status of chronic diseases patients. Higher social support utilization improves the patients to better depression situation.