Child and adolescent mental health problems (transdiagnostic mental health symptoms) and neurodevelopmental disorders
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Caregivers and their children residing in Japan Caregivers aged 18 years or older Children aged from birth (0 years) to 18 years at enrollment Ability to participate in web-based surveys Provision of electronic informed consent (and assent, where applicable)
Exclusion criteria
Exclusion criteria: Inability to understand the study information or complete questionnaires in Japanese Inability to participate in web-based surveys using a smartphone, tablet, or computer Any condition judged by the investigators to make participation inappropriate
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Longitudinal changes in child and adolescent mental health indicators assessed using validated standardized questionnaires (e.g., Strengths and Difficulties Questionnaire [SDQ], Patient Health Questionnaire-9 [PHQ-9/PHQ-9a], and Generalized Anxiety Disorder-7 [GAD-7]) at baseline and annual follow-up assessments. | — |
Secondary
| Measure | Time frame |
|---|---|
| Key secondary outcomes assessed at baseline and annual follow-up include: Incidence or worsening of mental health problems based on questionnaire scores exceeding established clinical cut-offs; Caregiver-reported new diagnoses of mental disorders; School attendance and school functioning; Differences in mental health trajectories according to neurodevelopmental disorder status; Associations between mental health indicators and familial, school, and psychosocial factors; Associations between genetic indicators (in participants providing saliva samples) and mental health outcomes. | — |
Countries
Japan
Contacts
The University of Osaka United Graduate School of Child Development