RESUMO Objetivo Identificar a prevalência de transtornos de ansiedade em uma amostra de base populacional e fatores associados. Métodos Estudo transversal de base populacional realizado com indivíduos entre 18 e 35 anos. As variáveis sociodemográficas, índice de massa corporal, presença de doença crônica, abuso de álcool e tabagismo foram analisadas. Os transtornos de ansiedade foram verificados pela Mini Internacional Neuropsychiatric Interview 5.0. Foi utilizado o teste Qui-quadrado, considerando o intervalo de confiança de 95%. Resultados A amostra foi constituída por 1.953 pessoas. A prevalência de transtornos de ansiedade foi de 27,4%. Agorafobia (17,9%) e transtorno de ansiedade generalizada (14,3%) foram os quadros mais prevalentes. Mulheres apresentaram maior prevalência de ansiedade, com 32,5%, quando comparadas aos homens (21,3%) (p < 0,001). As variáveis sexo, anos de estudo, renda, doença crônica, tabagismo e álcool foram associadas a mais de três transtornos de ansiedade investigados (p < 0,001). Conclusão Os dados demonstram que os transtornos de ansiedade são muito frequentes em adultos, sendo mais prevalentes entre as mulheres. Estão associadas aos transtornos ansiosos, principalmente, as condições socioeconômicas e substâncias licitas. Conhecer as prevalências dos transtornos de ansiedade e fatores associados pode auxiliar profissionais de saúde a elaborarem melhores diagnósticos e tratamentos.

Aim The aim of this study is to assess whether anxiety symptoms are associated with alcohol abuse in Brazilian undergraduate dental students during the COVID‐19 pandemic. Method A cross‐sectional study was conducted. A semi‐structured questionnaire addressing the variables of interest was hosted on Google Forms and shared with dental undergraduate students from all Brazilian regions between July 8 and 27, 2020. Alcohol abuse was measured using the Cut down, Annoyed, Guilty, Eye opener (CAGE) questionnaire score of ≥2. All participants responded to the seven‐item Generalized Anxiety Disorder Scale (GAD‐7). Hierarchical logistic regression was also conducted. Results Among the 1050 students evaluated, 18.7% ( n = 196) had a positive screening for alcohol abuse during the pandemic. The prevalence of mild (GAD‐7 = 5–9), moderate (GAD‐7 = 10–14), and severe (GAD‐7 ≥15) anxiety among students were 31.3%, 29.6%, and 24.2%, respectively. The final hierarchical logistic regression model showed that during the COVID‐19 pandemic, anxiety levels predict the likelihood of alcohol abuse among students with moderate (OR 10.05 [95% IC: 4.12–24.52]) or severe (OR 15.82 [95% IC: 6.46–38.73]) anxiety, especially for male students (moderate anxiety: OR 17.06 [95% CI: 8.36–34.78]; severe anxiety: OR 28.38 [95% CI: 8.62–38.24]). Conclusion The prevalence of alcohol abuse and moderate or severe anxiety in Brazilian undergraduate dental students during the COVID‐19 pandemic was high. Male students may be more sensitive to the presence of anxiety symptoms in this period, thus contributing to higher levels of alcohol consumption, in comparison to female students. Intervention strategies that promote the adoption of healthier lifestyles can enable the effective management of anxiety symptoms during the pandemic and thus, hold the potential to reduce exacerbated alcohol intake in this population.

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Introduction: Childhood trauma has been suggested to be involved in susceptibility to bipolar disorder (BP). However, it remains unclear whether the occurrence of childhood trauma is differently distributed in subthreshold bipolar disorder (SBP). Objective: To assess childhood trauma in young adults with SBP, as compared to young adults with BP and population controls (PC). Method: This was a cross-sectional, population-based study. The Mini International Neuropsychiatric Interview (MINI) was used to define the groups with BP (subjects with a lifetime or current manic episode or lifetime or current hypomania with a history of a depressive episode), SBP (subjects with a history of hypomanic episode without lifetime or current depressive episode), and subjects without mood disorders (PC). Childhood trauma was assessed using de Childhood Trauma Questionnaire (CTQ). We investigated differences regarding childhood trauma across the three groups (BP, SBP and PC). Result: Except for sexual abuse, all subtypes of childhood trauma remained associated with the BP group as compared to PC. Additionally, when we compared SBP and BP, significant differences were found only for emotional abuse. No significant differences were found in relation to childhood trauma between the SBP and PC groups after adjusting for confounding factors. Conclusion:These findings suggest that investigating childhood trauma, with a particular focus on emotional abuse, could be considered a preventive measure and potentially improve the prognosis.