Table 1.

Evaluating ICBT for OCD Using RE-AIM

RE-AIM element	Definition	Metric
Reach	The number and percentage of those invited and eligible who participate and their representativeness	Percentage eligible/excluded (characteristics and reasons why)/participate (reasons for refusal) characteristics of participants versus nonparticipants
Effectiveness	The amount of change in outcomes and impact on quality of life	Yale-Brown Obsessive Compulsive Scale (Y-BOCS) severity, Hamilton Depression Rating Scale (HAM-D), Quality of Life Enjoyment and Satisfaction Questionnaire—Short Form (Q-LES-Q-SF) (postassessment) Obsessive Compulsive Inventory—Revised (OCI-R) and Quick Inventory of Depressive Symptoms—Self-Report (QIDS-SR) (postassessment) Short-term attrition (Weeks 0–10): percentage who initiate treatment and discontinue treatment (and reasons why)
Adoption (individual)	The number, percentage, and representativeness of participants invited to participate	Adherence: number of modules completed, Client Satisfaction Questionnaire (CSQ)
Implementation	The extent to which a program is delivered consistently, and the time and costs	Treatment administration and intensity (therapist level): average time spent per patient, number of messages, reminder telephone calls
Maintenance	The long-term effects on key outcomes and quality-of-life impact	Y-BOCS severity, HAM-D, Q-LES-Q-SF (4-month naturalistic follow-up)