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Table 1 Instruments used in GRINS

From: Study Protocol: Global Research Initiative on the Neurophysiology of Schizophrenia (GRINS) project

Instrument

Description

In Session

Cases

Controls

AIMS

A 12-step assessment for tardive dyskinesia

2

×

×

EHI-SF

A 4-question inventory to determine dominant hand

2

×

×

FTND

A 7-item questionnaire to screen physical nicotine dependence

2

×

×

PSQI

A 9-item (18 questions) questionnaire to quantify recent sleep quality

2

×

×

SAS

A 11-item questionnaire to assess extrapyramidal symptoms

2

×

×

SHQ

A customized questionnaire designed to screen for sleep disorders and assess participants' typical sleep habits

2

×

×

STOP-BANG

An 8-item questionnaire to screen for obstructive sleep apnea

2

×

×

TEQ

A customized questionnaire designed to identify potential factors affecting the finger tap test

2

×

×

WAIS-RC-S

A Short-form Wechsler Adult Intelligence Scale with four subtests for quick intelligence quotient assessment in adults

2

×

×

FAST

A 24-item tool to evaluate functional impairment, covering autonomy, occupational functioning, cognitive abilities, financial issues, interpersonal relationships, and leisure time.

3

×

×

HAMA

A 14-item clinical assessment tool for evaluating the severity of anxiety symptoms

3

×

×

HAMD

A 24-item clinical assessment tool for evaluating the severity of depressive symptoms

3

×

×

MCCB

A standard tool comprising 10 subtests designed to comprehensively evaluate 7 cognitive domains

3

×

×

PANSS

A 30-item questionnaire to assess the severity of different aspects of mental symptoms

3

×

/

SCID

A semi-structured interview guide featuring several modules for diagnosing DSM mental disorders

3

×

/

TEMPS-A

A self-report questionnaire that assesses various temperamental dimensions, including cyclothymic, depressive, hyperthymic, irritable, and anxious traits

3

×

×

YRMS

An 11-item clinical assessment tool for evaluating the severity of manic symptoms

3

×

/

SSS

A self-report questionnaire designed to measure a person's level of sleepiness

4

×

×

  1. AIMS Abnormal Involuntary Movement Scale, EHI-SF Edinburgh handedness inventory-Short Form, FAST Functioning Assessment Short Test, FTND Fagerstrom Test for Nicotine Dependence, HAMA Hamilton Anxiety Rating Scale, HAMD Hamilton Depression Rating Scale, M.I.N.I. Mini International Neuropsychiatric Interview, MCCB MATRICS Consensus Cognitive Battery, PANSS Positive and Negative Syndrome Scale, PSQI Pittsburgh Sleep Quality Index, SAS Simpson-Angus scale, SCID Structured Clinical Interview for DSM Disorders, SHQ Sleep Habit Questionnaire; SSS: Stanford Sleepiness Scale, TEMPS-A short form of the Temperament Evaluation of Memphis, Pisa, Paris and San Diego-autoquestionnaire, TEQ Typing Experience Questionnaire, WAIS-RC-S Short form of the Wechsler Adult Intelligence Scale—revised for China, YMRS Young Mania Rating Scale