Please select the eligibility criteria that correspond to the clinical trial below.
Title: B-slim, a Multi-source Digital Super Coach for Sustainable Weight Loss
Brief Summary: The purpose of this study is to carry out a field trial to evaluate the effectiveness and added value of the b-SLIM digital Super Coach in a convenient sample of overweight and obese adults.


Options:
A: Inclusion Criteria:

* BMI\> = 25 mg / kg
* Holder smartphone
* Sign informed consent

Exclusion Criteria:

* Presence of physical or mental illnesses that prevent the realization of physical activity
* Be participating in another research project
* Pregnancy or lactation
* Patients who are on diet or drug treatment for weight loss
* History of myocardial infarction or stroke
B: Inclusion Criteria:

* Age: 18 - 65 years
* BMI: 30,0 - 39,9 kg/m2
* Owner of a smartphone
* Caucasian
* No severe diseases
* Informed written consent

Exclusion Criteria:

* Diabetes mellitus
* Severe cardiovascular and/or respiratory disease
* Untreated high blood pressure
* Severe kidney disease
* Active cancer (or in remission)
* Inflammatory bowel disease
* Severe chronic infections and/or inflammations
* Severe mental-health disorders
* Neurodegenerative disorders
* Endocrine diseases
* Lipedema
* Pregnancy and lactation
* Vigorous weight fluctuations (\> 5 kg) in the last 3 months
* Immobility
* Surgery in the last 3 months
* Participation in other intervention studies
* Carrier of pace makers
* Blood donation or transfusion in the last 3 months
C: Inclusion Criteria:

* Living in the region of Leuven
* Middle-aged (from 18 to 65 years)
* Having a body mass index between 29-34 kg/m²
* Having an e-mail address
* Having a personal computer

Exclusion Criteria:

* Suffering from a known physical (e.g., orthopedic limitations, stroke, etc.) and/or psychological (e.g., anorexia, bulimia, depression, etc.) disease or co-morbidity
* Intake of any medication with possible impact on body weight, endurance capacity
* Currently treated for diabetes (both Type 1 \& 2).
* No sleepapneu has been determined during the last year.
* Having a history of systematic strength or endurance training (moderate to high intensity training more than once a week) in the year before the beginning of the trial
* Having a history of following a supervised dietary advice in the year before the beginning of the trial
* Having a history of bariatric surgery or any other malabsorption-related disease.
* Pregnancy
D: Inclusion Criteria:

* BMI between 30-40
* weight stable (not gained/lost more than 25 lbs in the past 6 months)
* not enrolled in any formal weight-loss program
* interested in losing weight
* willing and able to record dietary intake and weight for 6 months and wear an accelerometer
* willing to attend 8 weekly groups and 2 follow up assessments at the Northwestern Chicago campus
* expect to reside in the Chicago land area for the next 12 months

Exclusion Criteria:

* any unstable medical conditions (i.e. uncontrolled hypertension, diabetes, unstable angina pectoris, myocardial infarction, transient ischemic attack, cancer undergoing active treatment, a cerebrovascular accident within the past 6 months)
* history of insulin-dependent diabetes
* Crohn's disease
* diagnosis of obstructive sleep apnea requiring intervention
* required use of an assistive device for mobility (i.e. cane, wheelchair)
* BMI \> 40
* hospitalization for a psychiatric disorder within the past 5 years
* those at risk for adverse cardiovascular events with moderate intensity activity
* those currently taking weight loss medication or committed to following an incompatible dietary regimen
* women who are pregnant, trying to get pregnant, or lactating
* Bulimia Nervosa
* suicide ideation
* current binge eating disorder
* those currently taking medications known to cause weight gain (i.e. Prednisone, Depakote, Diebeta, Diabinese, Cardura, Inderal, Zyprexa)
* current substance abuse or dependence
* plantar fasciitis
* current substance and/or alcohol dependence
* depression
* ADHD

Answer: C