Brief Culturally Adapted Behavioral Activation Therapy for Adults With Depression in Indonesian Primary Care: A Type-2 Hybrid Effectiveness-Implementation Trial

This is a type-2 hybrid effectiveness-implementation study of brief culturally adapted behavioral activation for adults with depression in primary care setting. This clinical trial has two parallel aims: 1) to understand if brief culturally adapted behavioral activation therapy delivered by psychologist in primary care in individual face-to-face session is effective to reduce depressive symptoms among adult patients in Primary Healthcare Centers and 2) to test the outcome of clinical training and supervision on acceptability, feasibility, appropriateness, and fidelity of implementation of brief culturally adapted behavioral activation therapy in Primary Healthcare Centers. The main questions it aims to answer is: 1\) Is brief culturally adapted behavioral activation intervention delivered by primary care psychologist effective in reducing depressive symptoms among adult patients with depression in primary care settings and 2) Are training and supervision effective in enhancing acceptability, feasibility, appropriateness and fidelity of implementation of brief culturally adapted behavioral activation therapy for adults with depression in primary care settings?