UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000056848 |
|---|---|
| Receipt number | R000064902 |
| Scientific Title | Development of an Assessment Method for Educational Maltreatment and Study of Its Associated Factors |
| Date of disclosure of the study information | 2025/02/03 |
| Last modified on | 2026/03/21 18:40:59 |
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Basic information
Public title
Development of an Assessment Method for Educational Maltreatment and Study of Its Associated Factors
Acronym
Development of an Assessment Method for Educational Maltreatment and Study of Its Associated Factors
Scientific Title
Development of an Assessment Method for Educational Maltreatment and Study of Its Associated Factors
Scientific Title:Acronym
Development of an Assessment Method for Educational Maltreatment and Study of Its Associated Factors
Region
| Japan |
Condition
Condition
NO
Classification by specialty
| Not applicable | Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
This study aimed to understand the actual situation of educational maltreatment (EM) among adults in Japan.
Basic objectives2
Others
Basic objectives -Others
Assessing current mental health status
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Rosenberg Self-Esteem Scale Japanese version
Key secondary outcomes
K6 Japanese version, PBI (Parental Bonding Instrument) Japanese version, Items related to parental expectations in education, Items related to experiences of inappropriate parenting in education
Base
Study type
Observational
Study design
Basic design
Randomization
Randomization unit
Blinding
Control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
Purpose of intervention
Type of intervention
Interventions/Control_1
Interventions/Control_2
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 20 | years-old | <= |
Age-upper limit
| 29 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
Must have lived in Japan
Must have attended school in Japan (whether public or private)
Key exclusion criteria
People who lived abroad as children.
Target sample size
260
Research contact person
Name of lead principal investigator
| 1st name | NOBUAKI |
| Middle name | |
| Last name | MORITA |
Organization
University of Tsukuba
Division name
Department of Social Psychiatry and Mental Health
Zip code
305-8577
Address
1-1-1 Tennodai, Tsukuba, Ibaraki
TEL
029-853-3099
seishinhoken@hotmail.com
Public contact
Name of contact person
| 1st name | NOBUAKI |
| Middle name | |
| Last name | MORITA |
Organization
University of Tsukuba
Division name
Department of Social Psychiatry and Mental Health
Zip code
305-8577
Address
1-1-1 Tennodai, Tsukuba, Ibaraki
TEL
029-853-3099
Homepage URL
seishinhoken@hotmail.com
Sponsor or person
Institute
University of Tsukuba
Institute
Department
Personal name
Funding Source
Organization
Education and research expenses for supervisory teachers(Morita Nobuaki)
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
University of Tsukuba
Address
1-1-1 Tennodai, Tsukuba, Ibaraki
Tel
029-853-3099
seishinhoken@hotmail.com
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2025 | Year | 02 | Month | 03 | Day |
Related information
URL releasing protocol
https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000064902
Publication of results
Unpublished
Result
URL related to results and publications
https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000064902
Number of participants that the trial has enrolled
260
Results
Survey of 257 Japanese adults in their 20s. Maltreatment prevalence is 14-33%; "loss of confidence" was most common. Factor analysis identified two factors: HEP (behavioral) and EEP (environmental). Validity confirmed. Results showed a stronger influence from fathers. Regression indicated violence/verbal abuse associated with poor mental health and lower self-esteem. Higher academic achievement is predicted by lower stress and higher self-esteem.
Results date posted
| 2026 | Year | 03 | Month | 21 | Day |
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
A total of 260 participants (male=94, female=164) in their 20s who spent their childhood in Japan and attended schools in Japan were included in the study.
Participant flow
A total of 260 men and women in their 20s were recruited through an online survey company. Three participants who reported having lived overseas during childhood were excluded. The final analysis included 257 participants (94 males and 163 females).
Adverse events
Nothing
Outcome measures
Educational maltreatment experiences were observed in 14 percent to 33 percent of participants, with the most common experience being responses that undermined self-confidence, reported by 33 percent of participants. Factor analysis using the principal factor method of the educational maltreatment items revealed two factors: HEP, Harmful Educational Pressure, alpha = 0.884, representing behavioral aspects such as violence and reprimands, and EEP, Extreme Educational Policies, alpha = 0.843, representing environmental aspects such as gifted or early education.
Concurrent validity and external validity with regard to family environment perceptions were confirmed, indicating that the scale can be used reliably. Furthermore, higher levels of educational maltreatment were associated with poorer mental health, whereas no significant association was found with self-esteem.
In analyses by parental involvement, participants reporting father as the primary educational figure experienced higher levels of educational maltreatment than those reporting mother, and maltreatment scores were significantly higher. Additionally, higher paternal educational attainment was associated with greater educational maltreatment. No significant effects were observed for maternal or participants' own educational attainment.
Further, multiple regression analysis indicated that experiences of severe violence and verbal abuse were associated with poorer current mental health (B = 0.389, p = .002), whereas higher participant educational attainment tended to be associated with lower psychological stress (B = -1.690, p = .045). Regarding self-esteem, the overall model was not significant (p = .063); however, higher exposure to violent educational pressure was associated with lower self-esteem (B = -0.240, p = .045), whereas higher participant educational attainment was associated with higher self-esteem (B = 1.911, p = .020).
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
No longer recruiting
Date of protocol fixation
| 2024 | Year | 12 | Month | 24 | Day |
Date of IRB
| 2025 | Year | 01 | Month | 24 | Day |
Anticipated trial start date
| 2025 | Year | 01 | Month | 30 | Day |
Last follow-up date
| 2025 | Year | 02 | Month | 28 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
cross sectional research
Management information
Registered date
| 2025 | Year | 01 | Month | 28 | Day |
Last modified on
| 2026 | Year | 03 | Month | 21 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064902
