Screening for birth-related PTSD: psychometric properties of the Turkish version of the Posttraumatic Diagnostic Scale in postpartum women in Turkey

Dikmen-Yildiz, P., Ayers, S. & Phillips, L. (2017). Screening for birth-related PTSD: psychometric properties of the Turkish version of the Posttraumatic Diagnostic Scale in postpartum women in Turkey. European Journal of Psychotraumatology, 8, p. 1306414. doi: 10.1080/20008198.2017.1306414

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Abstract

Background: Evidence suggests that 4% of women develop posttraumatic stress disorder (PTSD) after childbirth, with a potentially negative impact on women and families. Detection of postpartum PTSD is essential but few measures have been validated in this population.

Objective: This study aimed to examine psychometric properties of the Turkish version of the Posttraumatic Diagnostic Scale (PDS) to screen for birth-related PTSD among postpartum women and identify factorial structure of PTSD after birth.

Method: PDS was administered to 829 postpartum women recruited from three maternity hospitals in Turkey. Participants with PTSD (N = 68) and a randomly selected group of women without PTSD (N = 66), underwent a structured clinical interview (SCID).

Results: PDS demonstrated high internal consistency (α = .89) and test-retest reliability between 4–6 weeks and 6-months postpartum (rs = .51). PDS showed high concurrent validity with other measures of postpartum psychopathology, rs(829) = .60 for depression and rs(829) = .61 for anxiety. Satisfactory diagnostic agreement was observed between diagnoses obtained by PDS and SCID, with good sensitivity (92%) and specificity (76%). Exploratory and confirmatory factor analyses revealed that the latent structure of birth-related PTSD was best identified by a three-factor model: re-experiencing and avoidance (RA), numbing and dysphoric-arousal (NDA) and dysphoric-arousal and anxious-arousal symptoms (DAA).

Conclusions: The findings supported use of PDS as an effective screening measure for birth-related PTSD among postpartum women.

Item Type: Article
Uncontrolled Keywords: Post-traumatic stress disorder; postpartum women; PDS; psychometric properties; factor analysis
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RG Gynecology and obstetrics
Divisions: School of Health Sciences > Department of Midwifery
School of Health Sciences > Department of Radiography
URI: http://openaccess.city.ac.uk/id/eprint/17631

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