Dissociative depression and its related clinical and psychological characteristics among Chinese prisoners: A latent class analysis

Validation and measurement invariance of the childhood trauma questionnaire short form among incarcerated men and women in Spain

BACKGROUND

Childhood trauma is highly prevalent among incarcerated individuals and contributes to a range of negative outcomes. Assessing traumatic childhood events in prison settings requires valid, reliable, and effective instruments.

OBJECTIVES AND METHODS

This study evaluated the performance of the Childhood Trauma Questionnaire - Short Form (CTQ-SF), originally developed and validated in English, within a sample of incarcerated men and women (n = 1118 and n = 207, respectively) in six Spanish prisons.

RESULTS

The results indicated that the CTQ-SF had an acceptable fit in our sample. However, the internal consistency of the Physical Neglect subscale was found to be deficient (α = 0.57), especially among women (α = 0.43). This finding aligns with previous research across different contexts, which may signal weaknesses in the original construction of this subscale. The CTQ-SF demonstrated limited invariance between men and women, with only configural invariance being achieved, constraining the comparisons that can be made across sexes. In the absence of scalar invariance, comparisons of factor means to assess severity may be misleading, and caution is recommended when comparing prevalence estimates for men and women in Spanish prisons. Nonetheless, our findings support the convergent validity of the CTQ-SF, as trauma severity showed moderate correlations with depression, anxiety, stress, and aggression.

CONCLUSIONS

These results underscore the importance of evaluating the performance of instruments across various cultural contexts and populations to ensure the validity of study conclusions.

Childhood experiences and dissociation among high school students in China: Theoretical reexamination and clinical implications

BACKGROUND

Dissociation remains a controversial topic in terms of its prevalence, cross-cultural validity, and relationship with childhood trauma and adversities.

AIMS

This study investigated the prevalence of dissociative symptoms and probable dissociative disorders among Chinese high school students and tested the trauma model of dissociation.

METHODS

A total of N = 1,720 high school students completed standardized measures of positive and adverse childhood experiences (PCEs and ACEs), dissociation, depression, and anxiety.

RESULTS

The prevalence rates of dissociative symptoms and (probable) DSM-5 dissociative disorders (DDs) were 11.2% and 6.9%, respectively. Dissociation was a reliable construct (ICC = .682 to .752, p < .001) and was moderately correlated with general psychopathology (r = .424 with depressive symptoms, r = .423 with anxiety symptoms). Participants with a probable DD reported more ACEs, fewer PCEs, and more mental health symptoms than those without a probable DD. ACEs were significantly associated with dissociative symptoms (β = .107, p < .001) even after controlling for age, depressive, and anxiety symptoms. PCEs moderated the relationship between ACEs and dissociative symptoms.

CONCLUSIONS

This is the first report of the prevalence of dissociative symptoms and probable DSM-5 DDs among nonclinical children. We provide cross-cultural evidence that dissociation is a reliable and valid clinical phenomenon associated with psychopathology in children across cultures. The findings partly support the trauma model of dissociation. This study contributes to the limited literature on dissociation in children. It also offers empirical data to facilitate the ongoing controversy about (childhood) trauma and dissociation. Our findings imply that dissociation is cross-culturally associated with childhood adversities, but trauma is not the only, sufficient cause. Theoretical and clinical implications are discussed.

Prevalence and correlates of dissociative symptoms among people with depression

BACKGROUND

To improve the outcomes of depression treatment, personalized treatments that take individual needs into account are recommended. Recent research suggests that a subgroup of depressed people who suffer from co-occurring dissociation may be more likely to have encountered traumatic or stressful experiences and they may also have more psychosocial intervention needs.

METHODS

This study examined the prevalence and correlates of dissociative symptoms in an online convenience sample of people (N = 410) from 18 different countries/regions who reported clinically significant levels of depressive symptoms (indicated by Patient Health Questionnaire-9 score ≥10).

RESULTS

Over 60% of participants exhibited clinically significant levels of dissociative symptoms (indicated by a Multiscale Dissociation Inventory total score &gt;66). Compared with those with low levels of dissociative symptoms, participants with high levels of dissociative symptoms reported more traumas, interpersonal stress, depression and trauma-related symptoms. Emotional constriction in particular had a weak but significant negative correlation with the level of perceived medication benefits.

LIMITATIONS

The use of an online convenience sample could limit the generalizability of our findings. Our cross-sectional data could not demonstrate causal relationships between the study variables.

CONCLUSIONS

The findings highlight a need for complex health interventions for depressed people with co-occurring dissociative symptoms, focusing not only on depressive symptoms but also addressing trauma and dissociation-related symptoms.