The Longitudinal Study of Mental Health in Child to Adult

Study Overview
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Brief Summary
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This study aims to assess mental health, cognitive development, positive resources, enviromental factors of school-age children, adolescents and adults in China. The study will recruit teachers, students and students' parents through schools. Scales and behavioral experiments will be applied for assessment.

Official Title
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A National Longitudinal Study of Mental Health in Child to Adult

Conditions
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Mental Health Wellness 1, Cognitive Function

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Students from 5 grade to 12 grade, their parents and teachers able to read, answer questionnaires and complete experiments. Exclusion Criteria: a. Students who suspend schooling.

Ages Eligible for Study
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Minimum Age: 9 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Children<br>Grade 5 and grade 6 students (aged 9-12) in primary school. | |
| Adolescent<br>Grade 7 to grade 12 students (aged 12-18) in middle school and high school. | |
| Students' teachers<br>School Teachers | |
| Students' parent<br>Parents of students mentioned above. | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Irritability | A 17-item irritability measurement scale, Peking irritability scale, measuring impulsive emotions, thoughs and behaviors on a 5-point Likert scale (score from 1 to 5, and total score vary from 17 to 85). Higher score represents higher irritability. | 1 month | 
| Emotion aviodance | A 36-item emotion aviodance scale, Peking alexithymia scale, measuring thoughts and behaviors preventing from feeling or recognizing negative emotions on a 5-point Likert scale (score from 1 to 5, and total score vary from 36 to 180). Higher score represents more emotion aviodance. | 1 month | 
| Depression for adults | The 9-item patient health questionnaire (PHQ-9) for adults (score from 0 to 3, and total score vary from 0 to 27). Higher score represents worse depression symptoms. | 2 weeks | 
| Depression for adolescents and children | Children's depression inventory (CDI) for adolescents and children (score from 0 to 2, and total score vary from 0 to 54). Higher score represents worse depression symptoms. | 2 weeks | 
| Generalized anxiety disorder | The generalized anxiety disorder-7 scale (GAD-7) for adults, adolescents and children (scored from 0 to 3, and total score from 0 to 21). Higher score represents worse anxiety symptoms. | 2 weeks | 
| Anxiety and depression for adolescents and children | The Revised Child Anxiety and Depression Scale (RCADS) for adolescents and children (scored from 0 to 3, and total score from 0 to 75). Higher score represents worse anxiety and depression symptoms. | 2 weeks | 
| PTSD for adults | The PTSD Symptoms Scale-Interview for DSM-5 (PSSI-5) for adults (socre from 0 to 4, and total score vary from 0 to 80). Higher score represents worse PTSD symptoms. | 1 month | 
| PTSD for adolescents and children | The Child PTSD Symptom Scale for DSM-5 (CPSS-5) for adolescents and children (socre from 0 to 4, and total score vary from 0 to 80). Higher score represents worse PTSD symptoms. | 1 month | 
| NSSI | The non-suicidal self-injury assessment tool (NSSI-AT-Severity) for adolescent and children (total score vary from 5 to 16). Higher score represents worse self-injury situation. | 1 year | 
| Suicide | The suicidal behaviors questionnaire-revised (SBQ-R) for adolescent and children (total score vary from 3 to 18). Higher score represents higher suicide risk. | 1 year | 
| Emotion recognition | The Morph task for adolescent to examinate the emotion recognition capability | Half year | 
| Excutive function | The Go/Nogo task for adolescent to examinate inhibition funciton. | Half year |