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Table 1 Overview of the methods used to assess for a diagnosis of ADHD

From: Risk factors of suicidal spectrum behaviors in adults and adolescents with attention-deficit / hyperactivity disorder – a systematic review

Method

Number of studies

Clinical assessment or interview conducted by clinicians

 According to DSM-IV or DSM-IV-TR criteria

8

 Extensive clinical process in childhood

7

Total:

15

Identified through registers or databases

 ICD-codes in national registers (Sweden and Denmark)

7

 ICD-codes in Taiwan National Health Insurance Research Database

1

 MarketScan Commerical Claims and Encounters database

1

 TIC database

1

Total:

10

Use of instruments to aid in establishing an ADHD diagnosis

 Conner's Adult ADHD Diagnostic Interview for DSM-IV (CAADID)

3

 Kiddie—Schedule for Affective Disorders and Schizophrenia—present-life -version (K-SADS-PL)

2

 Structured Clinical Interview for DSM (SCID-I and SCID-II)

3

 Mini-International Neuropsychiatric Interview (MINI and MINI-Plus)

2

 Diagnostic Interview for ADHD in Adults 2.0 (DIVA 2.0)

1

 Semi-structured Assessment for Drug Dependence and Alcoholism (SSADDA)

1

Total:

12

Other methods

 Self-report—if participants had been diagnosed by a health professional

1

 Medical records

1

 Recorded history of symptoms, clinical diagnosis, results on questionnaires and documentation of medical treatment

1

Total:

3