OBJECTIVE: . Limited data exists about the validity of these models among older adults. This study examines the probable prevalence rates of PTSD in older adults; the factorial validity of both models; and symptom-endorsement bias across sex. METHOD: = 5,366) of older adults aged 60 years and older, alternative PTSD factor models were tested using confirmatory factor analysis (CFA), and item bias was assessed using differential item functioning (DIF) analysis. PTSD was measured without the functional impairment criterion, likely resulting in inflated prevalence rates. RESULTS: symptoms. CONCLUSION: model. A considerable proportion of older adults met diagnostic requirements for PTSD, thus highlighting the importance of trauma-related research among older adult populations. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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Fox et al. (2020) studied this question.
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