Verification of the Effects of Growing Vegetables on the Physical and Mental Health of Children and Their Parents

Verification of the Effects of Growing Vegetables on the Physical and Mental Health of Children and Their Parents - Verification of the Effects of Growing Vegetables on the Physical and Mental Health of Children and Their Parents

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060366

Enrollment

120

Registered

2026-01-15

Start date

2026-05-16

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

Healthy subjects

Interventions

No treatment Vegetable cultivation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: As of February 2026, primary school pupils in Year 2 attending primary schools in Otsu City, Kusatsu City, Ritto City, and Moriyama City within Shiga Prefecture, and guardians residing with said pupils.

Exclusion criteria

Exclusion criteria: 1. Individuals who regularly cultivate vegetables 2. Individuals for whom it is difficult to collect the required hair length (1 cm) for measurement 3. Individuals living with family members who routinely cultivate edible plants such as vegetables and fruits 4. Individuals planning extended absences (2 weeks or longer) during the study period 5. Individuals who have undergone hair dyeing, bleaching, or straightening within the past month 6. Individuals with major life events scheduled during the study period (weddings, moving house, childbirth, job transfers, etc.) 7. Individuals who have suffered from or are undergoing treatment for the following conditions within one year prior to the trial start date: Cushing's syndrome, Addison's disease, thyroid disorders, diabetes mellitus, chronic kidney disease, nephrotic syndrome, malignant tumours, depression, bipolar disorder, schizophrenia, post-traumatic stress disorder, stroke, heart failure, coronary artery disease, asthma, peripheral arterial disease, ulcerative colitis, Crohn's disease, hospitalisation (within the past year), surgery (within the past year), tuberculosis 8. Any other person who is deemed inappropriate by the principal investigator.

Design outcomes

Primary

Measure	Time frame
Intergroup differences in time-dependent changes (slope) of stress indicator A, stress indicator B, and the stress indicator B/stress indicator A ratio during the intervention period	—

Secondary

Measure	Time frame
- Group differences in longitudinal changes in self-efficacy (children only), stress, mood state (parents only), and vegetable intake level. - Examining factors influencing intervention effectiveness - Assessing the relationship between cultivation conditions and mental health indicators within the cultivation group	—

Countries

Japan

Contacts

Public ContactMihoko Sekiya

KAGOME CO., LTD. Diet & Well-being Research Institute

Mihoko_Sekiya@kagome.co.jp0287-36-2935

Outcome results

None listed

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