Validation of cooking-based ICT dietary assessment system using the doubly labeled water method in Ehime.

UMIN ID: UMIN000042677

Registered date:28/02/2021

Basic Information

• Recruitment status: Complete: follow-up continuing
• Health condition(s) or Problem(s) studied: None.
• Date of first enrollment: 2021/02/27
• Target sample size: 20
• Countries of recruitment: Japan
• Study type: Interventional
• Intervention(s): Double labeled water is applied on day 1 of the study. Double labeled water contains more stable isotopes of oxygen and hydrogen than the natural abundance level, and 0.14 g of 18O and 0.06 g of 2H are applied per 1 kg of body weight.

Outcome(s)

• Primary Outcome: Dietary intakes.

Key inclusion & exclusion criteria

• Age minimum: 40years-old
• Age maximum: 74years-old
• Gender: Male and Female
• Exclude criteria: 1. The persons who cannot visit the survey place twice (baseline and day 16). 2. The persons with diseases that affect energy metabolism (ex; thyroid disease, diabetes, etc.). 3. The persons with diseases or medication that affect water metabolism. 4. Using antihypertensive drug 5. Under 40 and over 75 years old 6. In the period of pregnancy and lactation 7. The persons who plan to stay outside the place of residence for at least 3 nights for 2 weeks before or during the intervention period. 8. The persons who have diet therapy or lose weight. 9. The persons who cannot be contacted by phone during the study period. 10. Menstruating on the first day of the study period. 11. The persons who are unsuited to participate the study.

Related Information

• Primary Sponsor: Ehime University
• Secondary Sponsor: Azabu University
• Source(s) of Monetary Support: MEXT,MEXT