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J Affect Disord. 2019 May 1;250:289-297. doi: 10.1016/j.jad.2019.03.018. Epub 2019 Mar 6.

PTSD symptom profiles among Louisiana women affected by the 2010 Deepwater Horizon Oil Spill: A latent profile analysis.

Author information

1
Departments of Pediatrics and Psychiatry and Human Behavior, Brown University Warren Alpert School of Medicine, Providence, RI, United States.
2
Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States.
3
Division of Transplant Surgery, Brigham & Women's Hospital, Boston, MA, United States.
4
Epidemiology Program, Louisiana State University Health Sciences Center School of Public Health, New Orleans, LA, United States.
5
Epidemiology Program, Louisiana State University Health Sciences Center School of Public Health, New Orleans, LA, United States. Electronic address: epete1@lsuhsc.edu.

Abstract

BACKGROUND:

Few prior studies have investigated the latent class structure of PTSD using DSM-5 symptoms.

METHODS:

To describe latent PTSD profiles among women who resided in Deepwater Horizon Oil Spill (DHOS)-affected coastal Louisiana communities, we used data from women enrolled in The Women and Their Children's Health (WaTCH) Study. Latent profile analysis was performed on the 20-item PTSD Checklist for DSM-5 (PCL-5) and model fit statistics for 2-class through 6-class solutions were compared. The pseudo-class draws method was employed on the best class solution to compare key covariates (including demographics, mental health indicators, DHOS exposure indicators, and trauma exposures) across classes.

RESULTS:

Among 1997 women (mean age 46.63 ± 12.14 years, 56.8% white, mean trauma categories 6.09 ± 2.98, 9.55% previously diagnosed with PTSD), model fit statistics supported a five-class solution: low symptoms (mean PCL-5 = 4.10), moderate without mood alterations (mean = 19.73), moderate with mood alterations (mean = 34.24), severe without risk-taking (mean = 55.75), and severe with risk-taking (mean = 53.80). Women in the low-symptom class were significantly more likely to be white, have finished high school, have an income of at least $40,001 per year, be married or living with a partner, and endorse fewer trauma categories than women in the four symptomatic classes. Women with moderate to severe symptoms often had co-morbid depressive symptoms and no prior PTSD diagnosis.

LIMITATIONS:

This study was limited by use of self-reported data and one-time assessment of PTSD symptoms.

DISCUSSION:

Five distinct latent profiles of DSM-5 PTSD symptoms consisted of notably different individuals. Most affected women did not report prior PTSD diagnosis. Future research and practice identifying and addressing barriers to care for trauma-affected women in these communities is warranted.

KEYWORDS:

Disaster victims; Post-traumatic stress disorders; Women

PMID:
30875671
PMCID:
PMC6461508
[Available on 2020-05-01]
DOI:
10.1016/j.jad.2019.03.018

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