A Study on Current Serving Sizes in Elementary School Lunches and Voluntary Adjustment of Food Intake

A Study on Current Serving Sizes in Elementary School Lunches and Voluntary Adjustment of Food Intake - Research on food distribution in elementary school meals

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058632

Enrollment

300

Registered

2025-08-01

Start date

2025-09-26

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

No target disease

Interventions

The intervention period after assessing the actual situation will be 16 days. Participants will be divided into two groups: one group will receive guidance on equal distribution of meals and be allowe

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: This applies to children in the third grade or above who eat regular school meals.

Exclusion criteria

Exclusion criteria: Children who require special consideration regarding the content and quantity of school meals.

Design outcomes

Primary

Measure	Time frame
Individual portion sizes for children Individual child's food intake	—

Countries

Japan

Contacts

Public ContactHoshino Fumi

Niigata University of Health and Welfare Health and Nutrition

fumi-h@nuhw.ac.jp0252574417

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026