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Overall objectives of this multicentre study are to document;
This study includes two phases. In the phase I pilot study, the investigators shall confirm and compare the validity of Patient Health Questionnaire (PHQ-9) and Clinical Epidemiological Scale for Depression (CESD) in predicting depression in Chinese T2D patients using the SCID as a gold standard. Other questionaires which measure personal and external factors, diabetes associated distress and anxiety, quality of life, mental wellness, self efficacy, health-related behavior and compliance will also be used to document possible predisposing, precipitating and perpetuating factors for depression in diabetes. These results will be used to select a set of tools which are most informative in the evaluation of depression and mental wellness in T2D patients based on their predictions for health behavior, compliance and metabolic control. A random sample of 100 T2D patients will be recruited from 3 Diabetes Centres in GZ, BJ and HK who will complete a full set of questionnaires and structured clinical assessments using a web-based electronic portal. In each of the three centres, all patients found to have positive symptoms for mild to severe depression by PHQ9 or CESD (PHQ>10 and/or CES>16) and a random sample of 20 subjects with no or mild symptoms will undergo face-to-face interview by psychiatrists using the following instruments: SCID, BDI, SSI-28 (somatization), Coping (Brief Cope 28, Chinese version).
In Phase II, the investigators shall use a subset of the most informative questionaires to document the rates of depression (diagnosed and undiagnosed) and cognitive-psychological-behavioral factors in a consecutive cohort of Chinese patients with T2D and its associations with metabolic control and psychological behavioral factors. In each of the 7 participating centres in HK, SH, BJ and GZ, 500 consecutive patients will undergo comprehensive clinical assessments for risk factors, complications and medications the JADE (Joint Asia Diabetes Evaluation) e-portal, giving a total of 3500 patients.
This survey which documents the rate of depression in T2D patients using similar methodologies will provide a comprehensive data set for exploratory analysis of the multicausality and heterogeneity of clinical presentation and risk factors in Chinese populations. Once this cohort is established and subject to availability of future funding, they can be followed up prospectively to validate and discover risk factors for new onset of depression. Apart from raising awareness, these data are essential in our design of care models and interventions to tailor the unmet needs of these patients. Data from this study will also provide insights into the effects of rapid acculturation and migration on the double burden of diabetes and depression in Chinese populations.
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3,218 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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