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Validation of the French version of the Pittsburgh Sleep Quality Index Addendum for posttraumatic stress disorder
Malik Ait-Aoudia1, Pierre P Levy, Eric Bui
1Centre du Psychotrauma, de l'Institut de Victimologie, Paris, France ; Laboratoire de Psychopathologie et Neuropsychologie (EA 2027), Université Paris 8, Vincennes - Saint-Denis, France ; Unité de Psychiatrie et Psychotraumatologie, Centre Hospitalier Universitaire Tenon, AP-HP, Paris, France.
Background:
Sleep disturbances are one of the main complaints of patients with trauma-related disorders. The original Pittsburgh Sleep Quality Index Addendum for PTSD (PSQI-A) is self-report instrument developed to evaluate posttraumatic stress disorder (PTSD)-specific sleep disturbances in trauma-exposed individuals. However, to date, the PSQI-A has not yet been translated nor validated in French.
Objective:
THE PRESENT STUDY AIMS TO: a) translate the PSQI-A into French, and b) examine its psychometric properties.
Method:
Seventy-three adult patients (mean age=40.3 [SD=15.0], 75% females) evaluated in a specialized psychotraumatology unit completed the French versions of the PSQI-A, Pittsburgh Sleep Quality Index (PSQI), Hospital Anxiety and Depression Scale (HADS), and Impact Event Scale-Revised (IES-R).
Results:
The French version of the PSQI-A showed satisfactory internal consistency, inter-item correlations, item correlations with the total score, convergent validity with PTSD and anxiety measures, and divergent validity with a depression measure.
Conclusion:
Our findings support the use of the French version of the PSQI-A for both clinical care and research. The French version of the PSQI-A is an important addition to the currently available instruments that can be used to examine trauma-related sleep disturbances among French-speaking individuals.
