Trial Parameters
Brief Summary
To determine if a two-week ecological momentary intervention (two EMA + one EMI daily) as augmentation to treatment as usual would reduce depressive symptoms, rumination levels, and functioning in subjects with mild to moderate depression, as compared to active controls receiving three EMA prompts daily.
Eligibility Criteria
Inclusion Criteria: * Aged 16-65 years * Cantonese-speaking ethnic Chinese * Diagnosis of major depressive episode (MDE) established by the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorder 5th Edition (DSM-V) * 17-item Hamilton Depression Rating Scale (HDRS) ≥ 14 at screening and at baseline (i.e. moderate to severe depression) * Having a smartphone with Internet access and iOS or Android operating system. Exclusion Criteria: * Patients who could not read Chinese, are unable to provide informed consents * Comorbid with other Axis I diagnoses (especially schizoaffective disorder) * With an unstable medical condition or current substance abuse * Have a score of ≥4 on any one of the three items on Positive and Negative Syndrome Scale (P1 Delusion, P2 Conceptual disorganization, P3 Hallucination) * Marked risk of self-harm or suicide that could not be safely managed in an outpatient clinic setting * Currently receiving any other weekly psychosocial the