Table 2 Health information needs description classification

C1 Etiology and Pathology

Describe or ask about the cause, rationale, and basics of depression, etc.

C2 Symptom

Describe or ask someone else to describe the symptoms of depression.

C3 Diagnosis

Describe the known diagnosis, or describe the symptom to ask if you have depression.

C4 Therapy

Describe the effects, procedures, or precautions of a treatments for depression such as psychotherapy and medication.

C5 Management

Describe or ask about the process of self-control and self-management of depressed patients.

C6 Complication

Describe or ask about depression-related mental illnesses such as two-way affective disorder, eating disorders, obsessive-compulsive disorders, post-traumatic stress disorder, drug abuse, or more.

C7 Prevention

Describe or ask how to avoid and prevent depression.

C8 Social activities

Describe or ask about social relationships, social disorders, social assessments, health insurance, and other social activities for people with depression.

C9 Education and Research

Describe and ask questions about depression education and research.