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Background: In this study we aimed to assess symptoms of anxiety and depression in persons with developmental disabilities during COVID-19 lockdown.Method: Soon after school closures related to the pandemic, we conducted telephone interviews with 64 vocational school students with developmental disabilities, the majority of whom had mild intellectual disability, and their parents. The parents were asked about stressful events experienced during lockdown. The students were assessed with screening measures for anxiety (GAD-7) and depression (PHQ-8).Results: Over one third of the tested students reported mild or more severe symptoms of anxiety and depression, and girls were more affected than boys. The number of experienced lockdown inconveniences predicted the severity of depression symptoms in girls.Discussion: The high prevalence of symptoms of anxiety and depression in persons with developmental disabilities indicates the need for screening studies and the provision of psychological help in situations such as the COVID-19 lockdown.

In this study we examined how specific personality traits are related to psychosocial adjustment in people with intellectual disability. We studied 73 students with mild intellectual disability and 25 students with moderate intellectual disability who attended special schools in Poland. Personality traits were assessed with the Revised Edward Zigler-Yale Questionnaire (EZPQ-16R) and to assess adjustment we used a total-difficulties score in Strengths and Difficulties Questionnaire (SDQ). We hypothesized a predictive relationship between the specific personality traits and adjustment. The relation between personality and adjustment was stronger in people with moderate intellectual disability than in people with mild intellectual disability. In students with moderate intellectual disability the relation between personality and adjustment was significant for each of the studied traits and in students with mild intellectual disability it was significant for negative-reaction tendency, and assignment alacrity. Obtained results indicate that specific traits are important to adjustment of people with intellectual disability.