Tracking Our Lives Study

Eating disorder risk will be measured on a survey via the Eating Disorder Examination Questionnaire Short Form (EDE-QS). The EDE-QS is a validated 12 question scale. Each question has a score range 0-3, and the average of all scores is the overall score. A higher score indicates higher risk.

Measured via survey using the validated SCOFF questionnaire which consists of five questions. Each question is a yes/no and a yes receives one point with a total score ranging from 0-5. Higher scores indicate higher risk. Modified to ask about pounds instead of stone as a measure of weight.

Measured via survey that includes single item measures asking about physical activity self-monitoring and self-weighing frequency.

Assessed via survey using the validated 6 question Body Image States Scale (BISS). Scores are the mean of the six items, three of which are reverse coded. Higher scores mean better body image states.

Measured via survey using five single item questions.

Single item survey questions adapted from the Youth Risk Behavior Surveillance System

Single item survey questions adapted from the Youth Risk Behavior Surveillance System and an open ended question for amount of time physically active.

Assessed using two questions on a survey pertaining to BMI category and weight.

Assessed using single item question on a survey asking how, if at all, participants wanted to change their body.

Use of common social media sites assessed using five single item measures on a survey.

Blind weights taken on research grade laboratory scale.

Assessed using the Brunnsviken Brief Quality of Life Scale (BBQ) on a survey. The BBQ has 12 questions, each ranging from 0-4. Higher scores indicate higher subjective quality of life.

State anxiety as measured via survey using the short-form of the state scale of the Spielberger State-Trait Anxiety Inventory. The scale consists of 6 questions with a range of scores 1-4 for each question. Three positive questions are reverse coded and scores are added together with higher scores indicating higher state anxiety.

Measured via survey using the Center for Epidemiologic Studies Depression Scale Revised (CESD-R-10). The CESD-R-10 is a 10 item scale with each question having the possibility of a score 0-3. Two questions are reverse coded, then scores from each question are added to give an overall score. Higher scores indicate more depressive symptoms.