Table 1.

Content of Group Body Project	Content of eBody Project
Introduction and overview (Sessionl [S1])	Introduction and overview (Module1 [M1])
Voluntary commitment (at start of every session)	Voluntary commitment (at start of every module)
Definition of the thin-ideal (S1) Participants select magazine pictures of models; discuss definition and history of the thin-ideal.	Definition of the thin-ideal: Online self-education (M1) Users select images of models and questions about the definition and history of the thin-ideal are posed.
Costs of pursuing the thin-ideal (S1) Participants generate costs of pursuing the thin-ideal; identify who benefits from the ideal.	Costs of pursuing the thin-ideal: Online contest (M1-2) Users generate top-10 list of costs of pursuing the thin-ideal, post online in M2, and vote for best list; winners receive BP bucks.
	Trivial pursuit: Online self-education (M1) Usersplay multiple-choice trivia game to learn the symptoms and costs of eating disorders, earning BP bucks for correct answers.
Letter to younger girl (S1-2) Users write a letter to a younger girl about the costs of the thin-ideal; letter is read aloud to the group and videotaped with an option to post it online.	Letter to younger girl: Offline exercise (M1-2) Users write a letter to a younger girl about the costs of the thin-ideal, post the letter or a video of themselves reading the letter online, and vote for the best posting; winners receive BP bucks.
Role-play to discourage pursuit of thin-ideal (S2) Participants take turns dissuading the facilitator (posing as a dieter or eating disordered individual) from pursing thin-ideal.	Discouraging the thin-ideal: Online self-education (M2) Users argue someone out of pursuing the thin-ideal through a virtual texting interchange.
	Costs of eating disorders: Online exercise (M2) Users write a story about someone with an eating disorder, post the story, and vote for the best story; winners receive BP bucks.
Mirror self-affirmation exercise (S1-2) Participants stand in front of mirror and write down positive qualities about themselves; read their list aloud to group.	Mirror mirror on the wall: Offline exercise (M2-3) Users stand in front of mirror, write positive features, post online, vote for best posting; winners receive BP bucks.
Quick comebacks to thin-ideal statements (S3) Role-play wherein participants challenge thin-ideal statements made by facilitators, generating anti-thin- ideal comebacks.	Challenging thin-ideal quips: Online self-education (M3) Users generate quick comebacks to thin-ideal statements and earn BP bucks for quick responses.
Top-10 body activism list home exercise (S2) Participants create top-10 list of things women can do to resist thin-ideal.	Body activism: Online self-education (M3) Users make top-10 lists of body activism activities, earning BP bucks for each idea.
Body activism home exercise (S3-4) Participants do at least one body activism activity on their own, sharing results with the group.	Body activism: Online self-education (M3-4) Users do at least one body activism activity and post written or video report online, vote on others’ posting; winners received BP bucks.
Verbal challenges home exercise (S2-3) Participants pick three real-life examples of pressures to be thin and create a verbal challenge to each pressure. Participants read to the group and are videotaped.	Rewind response letter: Offline exercise (M4) Users write letter to someone who said hurtful thin-ideal comment to them and how they could have responded; users are encourage to respond in an assertive manner in the future to such comments.
Self-affirmation exercise (S4) Participants make commitment to engage in some sort of self-affirmation exercise with a friend, sibling, etc.	Self-affirmation exercise: Offline exercise (M4) Users generate 5 self-affirmation exercises and commit to engage in them with a friend, sibling, etc.
Behavioral challenge (S3-4) Participants asked to do something they normally wouldn't do because of body image concerns (e.g., wear shorts) and write a brief report to the group of how it went.	Behavioral challenge: Offline exercise (M4-5) Users asked to do something that they normally wouldn't do because of body image concerns, post a brief written/video report online, vote for best report; winners receive BP bucks.
Letter to younger girl (S4) Participants write letter to a younger girl about ways to avoid body image concerns and send to facilitator via email.	Helping the next generation letter: Offline exercise (M5-6) Users write letter to a younger girl about avoiding body image concerns, post the letter or video, vote on best posting; winners receive BP bucks.
	Anti-thin ideal commercial: Offline exercise (M5-6) Users make short, 1-2 minute commercials and post them online, vote on best commercial; winners receive BP bucks.
Challenging fat talk (S4) Participants get a list of subtle thin-ideal statements and discuss how this promotes the thin-ideal and ways to stop this.
Future pressures to be thin (S4) Participants provide examples of future pressures to follow the thin-ideal and how they will respond to them.	Planning ahead: Online self-education (M6) Circumstances that can cause body image concerns are presented (e.g., senior prom) and users develop a response plan for each.
	Passing along the wisdom: Offline exercise (M6) Users are asked to talk to a real person about the program and tell this person what they learned (e.g., a friend or parent).

Note: S stands for session (e.g., session 1) and M stands for module (e.g., module 1).