Table 4.

Description of delivery methods considered by the task force.

Delivery Method	Description of Method in Included Studies
In-person one-on-one delivery	Treatment is provided individually to the patient in a clinical setting by a trained health care provider.
In-person group delivery	Treatment is provided to a group of participants in the clinical setting by a trained health care provider.
Internet delivery	Treatment is provided via the Internet using email interaction, audio-video recordings, and/or visual graphics and animations used by patients in their homes. Clinical support or health care provider interaction may or may not be included.
Self-help delivery	Treatment is provided by reading materials and/or audio recordings used by patients in their homes. No clinical support or health care provider interaction is necessary.
Telephone delivery	Treatment is provided via live telephone interaction with a trained health care provider.
Video delivery	Treatment is delivered via a recorded video, often including self-help booklets as part of the treatment package used by patients in their homes. No clinical support or health care provider interaction is necessary.
Telehealth delivery	Treatment is provided in real time by a trained health care provider using an interactive audio-video telecommunications system.