{"doi":"10.1037/tra0001988","title":"Optimism and language proficiency predict incidence of and remission from PTSD among climate migrants.","abstract":"OBJECTIVE: from positive PTSD among those who had previously screened positive. METHOD: Participants were 319 Puerto Rican Hurricane Maria survivors on the U.S. mainland assessed between 2020 and 2023. We employed Cox proportional hazards regression to model several predictors of positive PTSD screen incidence and remission for each outcome using five waves of data. RESULTS: (AHR = 39%), whereas higher English proficiency (AHR = -38%) and exposure to hurricane trauma (AHR = -32%) indicated a reduced likelihood of remission from PTSD. CONCLUSIONS: We observed a rapid initial remission from positive PTSD screen for a substantial portion of the sample. Participants who are proficient in English language may be most likely to screen positive for PTSD over time and least likely to remit from a positive PTSD screen. Findings underscore the importance of optimism and higher English proficiency for both decreased incidence of and increased remission from PTSD. 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