Eating behaviour Nutritional, Metabolic, Endocrine
Conditions
Interventions
Participants are asked to install a SnackBox at home or work and asked to use it for 5 working days over a 2-week period. Each of these measurement days, the participants are asked to eat at least one
Sponsors
Stichting IMEC Nederland (Holst Centre)
Eligibility
Sex/Gender
All
Age
18 Years to 110 Years
Inclusion criteria
Inclusion criteria: 1. Between 18 years to 49 years old 2. The subject should have 5 days in which he/she works from a stationary location within a maximum period of 14 days. This can be either a complete working day from a desk at home or a complete working day from a desk at a work location. 3. The subject does not have COVID-19 and does not experience any remaining symptoms from previous exposure to COVID-19, such as loss of taste or smell 4. The subject has no interfering dietary restrictions, such as being on a diet 5. The subject is not allergic to stainless steel or Ag/AgCl electrodes 6. The subject is not pregnant (unknown potential effect of Chill+ device on the child) 7. The subject has no acute and/or chronic cardiovascular and metabolic conditions (including e.g. diabetes mellitus) 8. The subject has no broken skin, cuts, or wounds at the sensor placement sites (wrist, upper arm) 9. The subject is not using medication with phototoxic side effects: tetracyclines, doxycycline, phenothiazines, dacarbazine, ketoprofen, lomefloxacin; to exclude the possibility of local skin irritation from prolonged irradiation by LED light 10. The subject is not wearing any other medical devices (e.g., Holter) 11. The subject does not have an implanted active device (e.g., device containing a battery) 12. The subject does not have any mental disorders
Exclusion criteria
Exclusion criteria: 1. The subject does not like the snacks and/or drinks provided in the study (there is an option to taste samples during the intake session) 2. Allergic to the snacks and/or drinks provided in the study (the list of ingredients will be available for all snacks and drinks at all times)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The accuracy of the SnackBox in assessing snacking behaviour (snack event yes/no, grams) is measured by: 1. A comparison to a 5-hour dietary recall method (snack event yes/no, true:false positives and true:false negatives) at 11:30 a.m., 4:30 p.m. and 9:30 p.m. on each measurement day 2. A comparison to the weight of the overall consumed snacks (grams) measured using a scale at the end of the five measurement days 3. A comparison to the ecological momentary assessments (EMAs) prompted on participants’ smartphones (snack event yes/no, true:false positives and true:false negatives) at random and snack-event triggered moments during a measurement day | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Physiological data such as heart rate (mean and relative changes), skin conductance response rate (mean and rel. changes) , skin temperature (mean and relative changes) and acceleration (mean and relative changes) measured using a Garmin activity tracker (Vivosmart 4) and a Chill+ activity tracker throughout each measurement day 2. Mood state (fatigued-energized, relaxed-stressed, sad-cheerful, bored-interested, hungry-satiated) measured using the visual analogue score (VAS) at random and snack-event triggered moments during a measurement day | — |
Countries
Netherlands
Outcome results
None listed