Cluster RCT of Cognitive Behavioral Therapy to Support Caregivers of Older Adults in Hong Kong

Inclusion Criteria: * family member needs to be the identified adult primary caregiver to an older adult aged 60 years old or above who living in the community * caregiver needs to score \< 50 using the Caregiver Self-Efficacy Scale (CSES-8) which represents significant insufficiency in self-efficacy * report mild to moderate depressive symptoms: a total score ranged from 5 to 14 using the Patient Health Questionnaire (PHQ-9) * report mild to moderate anxiety: a total score ranged from 5 to 14 using the Generalized Anxiety Disorder 7-item (GAD-7) * living in designated clusters in Hong Kong Exclusion Criteria: * caregivers diagnosed with Alzheimer's disease or other types of dementia * older family member with caregiving needs is receiving government-subvented service * suffering from acute health conditions, such as conditions caused by a virus, infection, injury, misuse of drugs or medications, preventing the provision of caregiving support * illiterate