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Sex-dependent differences in vulnerability to early risk factors for posttraumatic stress disorder: results from the AURORA study
Haering, Stephanie Seligowski, Antonia V. Linnstaedt, Sarah D. Michopoulos, Vasiliki House, Stacey L. Beaudoin, Francesca L. An, Xinming Neylan, Thomas C. Clifford, Gari D. Germine, Laura T.
Haering, Stephanie
Seligowski, Antonia V.
Linnstaedt, Sarah D.
Michopoulos, Vasiliki
House, Stacey L.
Beaudoin, Francesca L.
An, Xinming
Neylan, Thomas C.
Clifford, Gari D.
Germine, Laura T.
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Journal article
Date
2024-05-22
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Emergency Medicine
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https://doi.org/10.1017/s0033291724000941
Abstract
Background. Knowledge of sex differences in risk factors for posttraumatic stress disorder (PTSD) can contribute to the development of refined preventive interventions. Therefore, the aim of this study was to examine if women and men differ in their vulnerability to risk factors for PTSD.
Methods. As part of the longitudinal AURORA study, 2924 patients seeking emergency department (ED) treatment in the acute aftermath of trauma provided self-report assessments of pre- peri- and post-traumatic risk factors, as well as 3-month PTSD severity. We systematically examined sex-dependent effects of 16 risk factors that have previously been hypothesized to show different associations with PTSD severity in women and men.
Results. Women reported higher PTSD severity at 3-months post-trauma. Z-score comparisons indicated that for five of the 16 examined risk factors the association with 3-month PTSD severity was stronger in men than in women. In multivariable models, interaction effects with
sex were observed for pre-traumatic anxiety symptoms, and acute dissociative symptoms; both showed stronger associations with PTSD in men than in women. Subgroup analyses suggested trauma type-conditional effects.
Conclusions. Our findings indicate mechanisms to which men might be particularly vulnerable, demonstrating that known PTSD risk factors might behave differently in women and men. Analyses did not identify any risk factors to which women were more vulnerable than men, pointing toward further mechanisms to explain women’s higher PTSD risk. Our study illustrates the need for a more systematic examination of sex differences in contributors to PTSD severity after trauma, which may inform refined preventive interventions.
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Haering S, Seligowski AV, Linnstaedt SD, et al. Sex-dependent differences in vulnerability to early risk factors for posttraumatic stress disorder: results from the AURORA study. Psychological Medicine. 2024;54(11):2876-2886. doi:10.1017/S0033291724000941
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Cambridge University Press (CUP)
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Psychological Medicine, Vol. 54, Iss. 11
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