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Feb. 17, 2026

Feb. 20, 2026

jRCT1030250737

Transdiagnostic Assessment of Mental and Sleep Outcomes (TAMS) Registry (TAMS registry
)

Transdiagnostic Assessment of Mental and Sleep Outcomes (TAMS) Registry (TAMS registry)

Nakajima Shun

University of Tsukuba

1-1-1, Tennodai, Tsukuba

+81-29-853-5600

shun.nkjm@gwe.md.tsukuba.ac.jp

Ishii Azusa

University of Tsukuba, Japan

1-1-1, Tennodai, Tsukuba

+81-29-853-5600

ishii.azusa.fp@u.tsukuba.ac.jp

Pending

Feb. 17, 2026

3300

Observational

Primary Survey
Eligibility criteria: Individuals who meet all of the following criteria will be eligible.

Among panel members recruited by a survey company, individuals who understand the purpose and content of this study and provide voluntary informed consent to participate

Individuals registered as panel members with Macromill as one of the following:

Mental disorder group: Major depressive disorder (depression), social anxiety disorder, panic disorder, post traumatic stress disorder (PTSD), obsessive compulsive disorder, insomnia, attention deficit hyperactivity disorder (ADHD), autism spectrum disorder (ASD)

Physical disorder group: Type 1 diabetes mellitus, type 2 diabetes mellitus

Healthy participant group: Individuals without diagnoses of the above conditions

Individuals aged 18 years or older

Individuals who are able to respond in Japanese

Secondary Survey
Eligibility criteria: Among individuals who participated in the primary survey, those registered as panel members with Macromill as having major depressive disorder (depression), social anxiety disorder, panic disorder, post traumatic stress disorder (PTSD), obsessive compulsive disorder, attention deficit hyperactivity disorder (ADHD), or as healthy controls.

None

18age old over
No limit

Both

mental disorder, diabetes, healthy participants.

An online survey will be conducted by outsourcing data collection to an internet survey company to construct a data registry using the measures listed below. In this study, the primary survey will assess symptoms and background factors, and the secondary survey will assess the reliability of the DQ-5.

Primary Survey
1) PHQ-9: Patient Health Questionnaire-9
2) GAD-7: Generalized Anxiety Disorder 7-item Scale
3) LSAS: Liebowitz Social Anxiety Scale
4) ASI-3: Anxiety Sensitivity Index-3
5) IES-R: Impact of Event Scale-Revised
6) OCI-R: Obsessive Compulsive Inventory-Revised
7) AQ-28: Autism-Spectrum Quotient Short Form (28-item version)
8) ASRS: Adult ADHD Self-Report Scale
9) K6: Kessler Psychological Distress Scale-6
10) DQ-5: DSM-5-based nonspecific psychological distress scale (Distress Questionnaire-5)
11) ISI: Insomnia Severity Index
12) RU-SATED: Regularity, Satisfaction, Alertness, Timing, Efficiency, and Duration of Sleep Scale
13) rMEQ: Reduced Morningness-Eveningness Questionnaire
14) DBAS: Dysfunctional Beliefs and Attitudes about Sleep Scale
15) FIRST: Ford Insomnia Response to Stress Test
16) APSQ: Attitudes and Beliefs about Sleep Questionnaire
17) BPS: Bedtime Procrastination Scale
18) SHPS: Sleep Hygiene Practice Scale
19) SWLS: Satisfaction With Life Scale
20) EQ-5D-5L: EuroQol 5 Dimensions 5-Level
21) BPBs: Brief Parental Burnout Scale
22) SAP: Questions on shift-and-persist strategies considered beneficial for the physical and psychological health of individuals with low socioeconomic status
23) Subjective socioeconomic status in childhood and at present
24) eHEALS: eHealth Literacy Scale
25) eTAP: e-Therapy Attitudes and Process Questionnaire
26) AI romance ethics: Questions on ethical beliefs regarding intimate relationships between humans and AI
27) Emotional needs: Questions assessing the extent to which interpersonal relationships are effective in regulating specific emotions
28) Anthropomorphism: Questions assessing how humans perceive non-human agents
29) RA: Questions assessing whether virtual romantic relationships are perceived as realistic and intimate (Relationship Authenticity)
30) DRR: Desire to transfer virtual relationships to the real world (Desire for Real World Relationships)
31) MCQ-30: Metacognitions Questionnaire-Short Form (Two Subscales: uncontrollability and danger beliefs and positive beliefs)
32) EC: Effortful Control Scale
33) CAS-1R: Cognitive Attentional Syndrome Scale 1 Revised
34) Attitudes toward Safety, Support, Understanding, and Attitudes toward AI-Human therapists (ASSURE: two parallel scales: ASSURE-HT and ASSURE-AI)
35) Basic demographic characteristics

Secondary Survey
36) PGIC: Patient Global Impression of Change (overall perceived change in symptoms)
37) DQ-5: Distress Questionnaire-5 (5-item measure of psychological distress)

None
Japan Society for the Promotion of Science, Japan Science and Technology Agency
Not applicable
Japan Agency for Medical Research and Development
Not applicable
Japan Science and Technology Agency
Not applicable
Ethical Committee, University of Tsukuba Hospital
1-1-1, Tennodai, Tsukuba, Ibaraki

+81-29-853-3749

tcr.nintei@un.tsukuba.ac.jp
Approval

Nov. 21, 2025

No

none

History of Changes

No Publication date
2 Feb. 20, 2026 (this page) Changes
1 Feb. 17, 2026 Detail