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Heterogeneity of posttraumatic stress symptoms in a highly traumatized low income, urban, African American sample.

ABSTRACT: Trauma is associated with a range of outcomes; identification of homogeneous profiles of posttrauma symptoms may inform theory, diagnostic refinement, and intervention. The present investigation applies a novel analytic technique to the identification of homogeneous subgroups of post-traumatic symptomatology in a large sample of African American adults reporting high levels of trauma. Latent profiles of posttraumatic stress disorder (PTSD) symptom severity were tested using latent profile analysis. Pseudo-class draws were used to characterize class differences across types of trauma, diagnostic comorbidities, and clinically-relevant features. Participants consisted of 2915 highly traumatized African Americans living in low income, urban setting and recruited from medical clinics in Atlanta, GA. Findings supported the presence of six distinct subgroups of posttraumatic stress symptom profiles described as resilient, moderate with amnesia, moderate with diminished interest, moderate without diminished interest and amnesia severe without amnesia, and severe overall. Observed subgroups differed across numerous historical and concurrent factors including childhood trauma, current and lifetime diagnoses of PTSD and major depression, lifetime substance use diagnosis, dissociation, depressive symptoms, emotional dysregulation, negative and positive affect, and history of hospitalization and suicidality. Posttraumatic stress disorder as currently defined is comprised of homogeneous subgroups with important differences in posttraumatic stress symptom endorsement as well as concomitant differentiation of associated diagnoses and clinically-relevant associated features.

SUBMITTER: Nugent NR

PROVIDER: S-EPMC3488381 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature

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Heterogeneity of posttraumatic stress symptoms in a highly traumatized low income, urban, African American sample.

Nugent Nicole R NR Koenen Karestan C KC Bradley Bekh B

Journal of psychiatric research 20120817 12

Trauma is associated with a range of outcomes; identification of homogeneous profiles of posttrauma symptoms may inform theory, diagnostic refinement, and intervention. The present investigation applies a novel analytic technique to the identification of homogeneous subgroups of post-traumatic symptomatology in a large sample of African American adults reporting high levels of trauma. Latent profiles of posttraumatic stress disorder (PTSD) symptom severity were tested using latent profile analys ...[more]

PMID: 22906539

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Project description:BackgroundPsychosocial factors are important determinants of health behaviors and diet-related outcomes, yet relatively little work has explored their relation to food-purchasing and preparation behaviors in low-income populations.AimTo evaluate the psychosocial factors associated with food-related behaviors.MethodsCross-sectional data collected from 465 low-income African American adult caregivers in the baseline evaluation of the B'more Healthy Communities for Kids obesity prevention trial. Questionnaires were used to assess household sociodemographic characteristics, food sources frequently used, and food preparation and food acquisition behaviors. Multiple linear regression models explored the associations between caregiver psychosocial variables and food-related behaviors, controlling for caregivers' age, sex, household income, household size, and food assistance participation.ResultsCaregivers purchased prepared food at carry-outs on average 3.8 times (standard deviation [ SD] = 4.6) within 30 days. Less healthy foods were acquired 2 times more frequently than healthier foods ( p < .001). Higher food-related behavioral intention and self-efficacy scores were positively associated with healthier food acquisition (β = 0.7; 95% confidence interval [CI] [0.09, 1.4]; β = 0.04; 95% CI [0.02, 0.06]) and negatively associated with frequency of purchasing at prepared food sources (β = -0.4; 95% CI [-0.6, -0.2]; β = -0.5; 95% CI [-0.7, -0.3]), respectively. Higher nutrition knowledge was associated with lower frequency of purchasing food at prepared food venues (β = -0.7; 95% CI: [-1.2, -0.2]).DiscussionOur findings indicate a positive association between psychosocial determinants and healthier food acquisition and food preparation behaviors.ConclusionInterventions that affect psychosocial factors (i.e., food-related behavioral intentions and self-efficacy) may have the potential to increase healthier food preparation and food-purchasing practices among low-income African American families.

Dataset Information

Heterogeneity of posttraumatic stress symptoms in a highly traumatized low income, urban, African American sample.

Publications

Heterogeneity of posttraumatic stress symptoms in a highly traumatized low income, urban, African American sample.

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