Digital Preparation for Bariatric Surgery: Feasability Pilot Trial

Short questionnaire to assess the barriers to the decision for bariatric surgery perceived by patients based on Luck-Sikorski C, Jung F, Dietrich A, Stroh C, Riedel-Heller SG. Perceived Barriers in the Decision for Bariatric and Metabolic Surgery: Results from a Representative Study in Germany. Obes Surg. 2019 Dec;29(12):3928-3936. doi: 10.1007/s11695-019-04082-1. PMID: 31301032.

Survey to measure Participants' feelings about their use of the Internet as a tool for obtaining health-related information. We will use the validated french version of the eHeals scale, a 10-item questionnaire. Question's response is measured with a 5 point likert scale with response options either going from 'strongle disagree' to 'strogly agree', 'not at all; usefull' to 'very usefull' or ' Not at all important' to 'Very important'. Higher scores represent higher sefl-perceive eHeals literacy.

To assess of the learner profile of the patient (44 items) Adapted from the Index of Learning Styles Questionnaire by Barbara A. Solomon & Richard M. Felder University of North Carolina Raleigh, NC 27695

32-item scale based on Prochaska and DiClemente's transtheoretical behaviour change model to assess the readiness of the patient to bariatric surgery. Each question is measured on a 5-point Likert scale with response options ranging from "strongly disagree"(1 point) to "strongly agree"(5 points). Questions are divided into four subscales of 8 items each: precontemplation, contemplation, action and maintenance. Each subscale score from 1 to 40. The readiness to bariatric surgery score is calculated by adding the scores from the Contemplation, Action and Maintenance subscales and subtracting from that sum the Precontemplation subscale score. The total score ranges from 1 to 160, with higher scores indicating better readiness.

To assess readiness of the patient to bariatric surgery. Questionnaire based on the current questionnaire sent to participants when they attempt psychiatric assessment for metabolic and bariatric surgery at the Quebec Heart and Lung Institute - Laval University(IUCPQ)

To asses the usability of the platform Precare based. SUS is a 10-item validated questionnaire for assessing system usability, including software, websites, and applications. Each item is rated on a 5 points Likert scale ranging from 'Strongly disagree'(1) to 'strongly agree'(5). A higher score represent a higher usability of the platform. (only for arm 2 and arm 3)

14-item questionnaire to assess overall psychopathology. Each question is measured on a 6-point Likert scale with response options ranging from "Never"(0 point) to "Everyday"(5 points). Total score ranges from 0 to 70, with a higher score representing better mental well-being. (Only for arm 3)

Survey on factors influencing patients' mottivation to undergo bariatric surgery

Number of current associated comorbidities to patient

Anthropometric markers: weight and height will be combined to report the body mass index (BMI) in kg/m^2

Age of participants when they first gained weight

Description of past weight loss attempts as reported by participant

Duration of adherence to the various approaches of weight loss tried by participants

Minimum weight reached by the participant since adulthood

Maximum weight reached by the participant since adulthood

To assess the presence of certain binge eating behaviors that may be indicative of an eating disorder. The higher the score, the more binge eating behaviors is observed. The minimum score is 0 while the maximum score is 46. The final result allows to say if the person has an absent (less than 17), moderate (between 18 and 26) or severe (more than 27) binging level. (Only for arm 3)

The mYFAS 2.0 was designed to assess food addiction using a shorter version than the YFAS 2.0.It assesses the symptoms of food addiction and the resulting distress and impaired functioning. The higher the level of symptoms, the more severe the food addiction. Impaired functioning and distress are scored from 0 to 2. Symptoms are scored from 0 to 11. If the functioning and distress score is 1 and above, the food addiction may be mild (2-3 symptoms), moderate (4-5 symptoms), or severe (6+ symptoms). (Only for arm 3)

This self-administered questionnaire assesses depressive symptoms using seven items (ÉHAD-D) and anxiety symptoms using another seven items (ÉHAD-A), for a total of 14 items. Each question is scored from 0 to 3. Higher scores indicate higher level of anxiety and depression. A total score between 0 and 7 reflects a normal level of anxiety and depression, a score of 8 to 10 indicates a borderline level and a score of 11 and above indicates a high level of anxiety and depression. (Only for arm 3)

To assess the participant's degree of adherence to the Canada's food guide (Only for arm 3)

To assess the participant's degree of adherence to the Canada's food guide (Only for arm 3)

To assess participant's risk of malnutrition scored from 0 to 7. A score of 2 or more means the participant is at risk for malnutrition. (Only for arm 3)

Questionnaire from the World Health Organization to assess physical activity participation of the patient (Only for arm 3)

34-item questionnaire to assess aspects of body image. Questions are divided into five subscales: Appearance Evaluation, Appearance Orientation, Body Area Satisfaction, Overweight Preoccupation and Self-classified Weight. Each question is measured with 5-point Likert scales. The mean of each subscale is calculated. Higher scores generally indicate more positive body image and appearance satisfaction (Only for arm 3)

12-Item questionnaire to assess the social support of patients. Each question is measured on a 7-point Likert scale with response options ranging from " very strongly disagree"(1 point) to "very strongly agree"(7 points). Questions are divided into three subscales of four items each: Significant others, Friends and Family. Each subscale score ranges from 4 to 28. A higher score indicates a higher perceived support. (Only for arm 3)

26-item questionnaire to assess the quality of life of the patient. Each question is measured on 5-point Likert scales. Total score ranges from 0 to 100, with higher score associated to better quality of life. (Only for arm 3)

15-item questionnaire to assess the patient empowerment. Each question is measured on a 4-point Likert scale with response options ranging from "totally agree"(4 point) to "totally disagree"(1 points). Score ranges from 15 to 54. Higher scores indicate greater patient empowerment. (Only for arm 3)

Assessed by calculating the ratio of participants recruited for the current study / number of participants invited to participate in the present study.

Assessment of the time needed to recruit the current study population

Assessment of the time between logging sent and the first connection

Assessement of the pourcentage of participants who finish every steps of the study

Percentage of missing and incongruent data

Assessment of the mean time to complete the initial assessment (overall and per questionnaires)

The participant's time to answer each questionnaire

the congruence of questionnaires reliability index with the literature

Assessment of the time to request and compute website performance indicators

The percentage of users classified in a learner profile.

Percentage of registered users who are actively using the platform

Average amount of time users spend on the platform per session

Number of pages views per session

Participant's login frequency

Completion rate for each module of the platform PreCare

Percentage of visitors who navigate away from the site after viewing only one page

Assessment of the pathways followed by users (individual and cluster analysis), viewing and download rates

Number of time users come back to a page

Tracking of the PreCare platform's uptime; time the platform has been operationnal during the study

Tracking the PreCare platform's load time ; time it take the platform to display the requested page

Tracking the PreCare platform's error rates; number of error occuring