Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Change in Weight from Baseline to 6 Months |
Weight at 6 months as compared to baseline. Weight will be documented using staff-led Zoom calls and taken with the participant's home scale. |
Baseline and 6 Months |
|
Primary |
Change in Weight from Baseline to 30 Months |
Weight at 30 months as compared to baseline. Weight will be documented using staff-led Zoom calls and taken with the participant's home scale. |
Baseline and 30 Months |
|
Secondary |
Change in Caloric Intake using the Automated Self-Administered Recall System (ASA24) from Baseline to 30 months |
Caloric intake at 30 months as compared to baseline. Caloric intake will be measured using the ASA24 dietary recall system. |
Baseline and 30 Months |
|
Secondary |
Change in Dietary Behavior using the Eating Disorder Examination Questionnaire (EDE-Q) from Baseline to 30 Months |
EDE-Q global score at 30 months as compared to baseline. Dietary restraint, eating, shape, and weight concerns are measured with the EDE-Q. These subscales are summed and then divided by the total number of subscales (4) to create a global score. Scores range from 0 to 52 with higher scores indicating higher severity. |
Baseline and 30 Months |
|
Secondary |
Change in Physical Activity using the International Physical Activity Questionnaire (IPAQ) from Baseline to 30 Months |
Physical activity at 30 months as compared to baseline. The IPAQ includes 27 items and determines a MET value for time spent in an average week completing different levels of activity including vigorous or moderate physical activity, walking, and sitting. One MET is the energy spent sitting at rest. |
Baseline and 30 Months |
|
Secondary |
Change in Depression using the Depression Anxiety Stress Scales (DASS) from Baseline to 30 Months |
Depression subscale score at 30 months as compared to baseline. DASS is a 42-item self-report scale of negative emotional states with subscales of depression, anxiety, and stress. Each subscale is scored 0-42, with total score from 0-126. Higher scores indicate more severe psychological distress. |
Baseline and 30 Months |
|
Secondary |
Change in Anxiety using the Depression Anxiety Stress Scales (DASS) from Baseline to 30 Months |
Anxiety subscale score at 30 months as compared to baseline. DASSis a 42-item self-report scale of negative emotional states with subscales of depression, anxiety, and stress. Each subscale is scored 0-42, with total score from 0-126. Higher scores indicate more severe psychological distress. |
Baseline and 30 Months |
|
Secondary |
Change in Stress using the Depression Anxiety Stress Scales (DASS) from Baseline to 30 Months |
Stress subscale score at 30 months as compared to baseline. DASS a 42-item self-report scale of negative emotional states with subscales of depression, anxiety, and stress. Each subscale is scored 0-42, with total score from 0-126. Higher scores indicate more severe psychological distress. |
Baseline and 30 Months |
|
Secondary |
Change in Sleep Impairment using the PROMIS Sleep Related Impairment Survey from Baseline to 30 Months |
Sleep impairment at 30 months as compared to baseline. The PROMIS Sleep Related Impairment v.1.0 is a 16-item self-report measure of perceived functioning during waking hours in relation to tiredness and trouble sleeping. A raw score is calculated by summing all individual items and is translated into a T-score with standard error (SE). A T-score of 50 indicates normal impairment compared to the general population, scores above 50 indicate more impairment. |
Baseline and 30 Months |
|
Secondary |
Change in Physical Composite Score (PCS) using the Short-Form-36 (SF-36) from Baseline to 30 Months |
PCS at 30 months as compared to baseline. The SF-36 is a 36-item self-report health-related quality of life assessment of physical functioning, limitations, energy, emotional well-being, social functioning, pain and general health. Scores range from 17.2- 66.7 with lower scores indicating worse quality of life related to physical health. |
Baseline and 30 Months |
|
Secondary |
Change in Mental Composite Score (MCS) using the Short-Form-36 (SF-36) from Baseline to 30 Months |
MCS at 30 months as compared to baseline. The SF-36 is a 36-item self-report health-related quality of life assessment of physical functioning, limitations, energy, emotional well-being, social functioning, pain and general health. Scores range from 12.7-64.2 with lower scores indicating worse quality of life related to mental health. |
Baseline and 30 Months |
|
Secondary |
Change in Self-Efficacy for Healthy Eating using the Diet Self-Efficacy Scale (DIET-SE) from Baseline to 6 Months |
Self-efficacy at 6 months as compared to baseline. The DIET-SE is an 11-item self-report assessment of healthy eating with scales specific to temptations, social/internal factors, and negative emotional related to resistance. The score ranges from 0 - 40 with higher scores indicating more self-efficacy. |
Baseline and 6 Months |
|
Secondary |
Change in Self-Efficacy for Healthy Eating using the Diet Self-Efficacy Scale (DIET-SE) from Baseline to 30 Months |
Self-efficacy at 30 months as compared to baseline. The DIET-SE is an 11-item self-report assessment of healthy eating with scales specific to temptations, social/internal factors, and negative emotional related to resistance. The score ranges from 0 - 40 with higher scores indicating more self-efficacy. |
Baseline and 30 Months |
|
Secondary |
Adherence to intervention measured using a percentage of the total number of available app features used from Baseline to 6 Months |
The percent of available features on the app, expected verses completed at 6 months as compared to baseline. |
Baseline and 6 Months |
|
Secondary |
12-Month Completion Status |
Attrition at 12 months as compared to number randomized at baseline documented using completion status |
Baseline and 12 Months |
|
Secondary |
Percent of Successful Technological Fixes |
App compatibility will be examined by calculating the percent of successful technological fixes at 12 months as compared to baseline. The type of technological problems encountered by participants while using the app and any fixes needed will be categorized. |
Baseline and 12 Months |
|
Secondary |
Change in CDC NCHS National Health Interview Survey |
Changes in health status from baseline to 30-months as measured by questions from the CDC NCHS National Health Interview Survey. Using an adapted version of the CDC NCHS National Health Interview Survey, the survey includes 4 questions about healthcare utilization. Items identify type of healthcare sought and frequency. The frequency of provider visits will be calculated to determine healthcare utilization. A frequency score of zero indicates no healthcare utilized. There is no upper limit for the frequency. |
Baseline and 30 Months |
|