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J Atten Disord. 2019 Aug;23(10):1079-1089. doi: 10.1177/1087054717690808. Epub 2017 Feb 2.

Psychometric Properties and Factor Structure of the Short Form of the Affective Lability Scale in Adult Patients With ADHD.

Author information

1
1 University Hospital of Geneva, Switzerland.
2
2 CHU de Bordeaux, France.
3
3 Université de Bordeaux, France.
4
4 Centre Hospitalier Universitaire de Sainte-Marguerite, Marseille, France.
5
5 Service de Neurologie, Unité des Troubles du Sommeil, Hôpital Gui-de-Chauliac Montpellier, France.
6
6 Inserm U1061, Montpellier, France.
7
7 University of Geneva, Switzerland.
8
8 Université de la Méditerranée, Marseille, France.

Abstract

Objective: Affective lability is an important dimension of adult ADHD, associated with marked impairments and worse outcomes. A valid and quick tool to measure affective lability may therefore be of interest. Method: In 187 adult ADHD patients, we explored psychometric properties of the Affective Lability Scale-Short Form (ALS-18 items). We analyzed the construct validity and the external validity of the scale. Patients were compared with 48 healthy adult controls. Results: The three-factor structure of the ALS-18 presented a good fit and a good internal consistency. The correlations between the ALS-18 and ADHD symptoms and other psychological dimensions were, respectively, low and moderate. ALS-18 scores were higher in patients than in healthy adults. Conclusion: ALS-18 showed good psychometric properties in ADHD adult patients, allowing us to recommend the implementation of ALS-18 in assessing affective lability for clinical and research purposes. Use of ALS-18 should improve the clinical assessment of affective lability in adult ADHD patients.

KEYWORDS:

ADHD; Affective Lability Scale; adult; psychometric properties; self-report

PMID:
28152669
DOI:
10.1177/1087054717690808

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