Feedback on snacking behaviour, assessed with the SnackBox in relation to mood

Not Applicable

• Conditions: Overweight and obesity; Nutritional, Metabolic, Endocrine

• Registration Number: ISRCTN54562674
• Lead Sponsor: OnePlanet Research Centre

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2023-08-23
• Last Update Posted: 16 October 2023
• Study Completion: 2023-11-30

Recruitment & Eligibility

• Status: Ongoing
• Sex: All
• Target Recruitment: 60

Inclusion Criteria

1. The participant must be between 18 years to 49 years old.
2. The participant should have at least eight days in which he/she works from a location with a stationary place to take breaks (f.e. desk or canteen) 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, or a complete working day where breaks are taken at a canteen (at least three times a day).
3. The participant 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 participant has no interfering dietary restrictions, such as being on a diet and has a restricted eating score lower than 3.13.
5. The participant is likely to snack, expressed in having an emotional eating score higher than 1.08.
6. The participant likes to snack on at least 1 or more of the high-caloric snack options on the list in section 7.1.
7. The participant is not allergic to stainless steel or Ag/AgCl electrodes.
8. The participant has no acute and/or chronic cardiovascular and metabolic conditions (including e.g. diabetes mellitus).
9. The participant has no broken skin, cuts, or wounds at the sensor placement sites (wrist, upper arm).
10. The participant is not using medication with phototoxic side effects: tetracyclines, doxycycline, phenothiazines, dacarbazine, ketoprofen, and lomefloxacin; to exclude the possibility of local skin irritation from prolonged irradiation by LED-light.
11. The participant is not wearing any other medical devices (e.g., Holter).
12. The participant does not have an implanted active device (e.g., a device containing a battery).
13. The participant does not have any mental disorders.

Exclusion Criteria

1. Participant does not like the snacks and/or drinks provided in the study
2. Is allergic to the snacks and/or drinks provided in the study

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Grams consumed from healthy” and unhealthy” snacks measured using the SnackBox at week 1 and week 2

Secondary Outcome Measures

Name	Time	Method
The effect of the JITAI messages on mood measured using the difference in mood Visual Analogue Scores (VAS) at random times of the day between the intervention week with JITAI messages and the baseline week without JITAI messages (corrected for that same difference in the control group)