Bridging Extremes: The Invertible Bimodal Gumbel Distribution.

This paper introduces a novel three-parameter invertible bimodal Gumbel distribution, addressing the need for a versatile statistical tool capable of simultaneously modeling maximum and minimum extremes in various fields such as hydrology, meteorology, finance, and insurance. Unlike previous bimodal Gumbel distributions available in the literature, our proposed model features a simple closed-form cumulative distribution function, enhancing its computational attractiveness and applicability. This paper elucidates the behavior and advantages of the invertible bimodal Gumbel distribution through detailed mathematical formulations, graphical illustrations, and exploration of distributional characteristics. We illustrate using financial data to estimate Value at Risk (VaR) from our suggested model, considering maximum and minimum blocks simultaneously.

[Determinants of antiretroviral treatment adherence in Brasília, Federal District: a case-control study]. / Determinantes da adesão ao tratamento anti-retroviral em Brasília, DF: um estudo de caso-controle.

We sought to evaluate factors relating to adherence to antiretroviral treatment in the Federal District. Out of 150 patients interviewed at seven reference centers; 35 non-adherent subjects were considered to be cases; we selected 70 age-matched adherent individuals as controls. Variables relating to sociodemographics, habits, social support, quality of life, disease-related issues, clinical conditions, treatment and healthcare services were evaluated. Bivariate analysis showed that adherence was associated with race/color, educational level, the reference center where the patient was followed up and familial income. After adjustments, mixed race (parda), reference center location in central Brasília, high educational level and friends support for needs remained associated with adherence. After excluding race/color from the model, the reference center location, educational level, profession, income, support (being able to count on someone who demonstrably likes you) and satisfaction with the service at the pharmacy remained related to adherence. In addition to the factors already established in the literature, questions relating to support within the microsocial environment and the healthcare services were shown to be associated with therapeutic compliance.

Determinantes da adesão ao tratamento anti-retroviral em Brasília, DF: um estudo de caso-controle / Determinants of antiretroviral treatment adherence in Brasília, Federal District: a case-control study

Buscou-se avaliar os fatores relacionados à adesão ao tratamento anti-retroviral no Distrito Federal. De 150 pacientes entrevistados em sete centros de referência, 35 não aderentes foram definidos como casos, sendo selecionados 70 controles aderentes, pareados por idade. Avaliaram-se variáveis sócio-demográficas, hábitos, suporte social, qualidade de vida, questões relacionadas a doença, estado clínico, tratamento e serviço. Na análise bivariada, houve associação da adesão com raça/cor, escolaridade, centros de referência em que faz acompanhamento e renda familiar. Após ajuste, cor parda, centros de referência localizado no Plano Piloto, escolaridade alta e receber apoio dos amigos quanto às necessidades permaneceram associados com adesão. Retirando raça/cor do modelo, mantiveram-se centros de referência, escolaridade, profissão, renda, apoio (contar com alguém que demonstre gostar de você) e satisfação com o atendimento na farmácia de dispensação. Além dos fatores já consolidados na literatura, questões relacionadas ao apoio no âmbito micro-social e aos serviços de assistência mostraram-se associados à observância terapêutica.

We sought to evaluate factors relating to adherence to antiretroviral treatment in the Federal District. Out of 150 patients interviewed at seven reference centers; 35 non-adherent subjects were considered to be cases; we selected 70 age-matched adherent individuals as controls. Variables relating to sociodemographics, habits, social support, quality of life, disease-related issues, clinical conditions, treatment and healthcare services were evaluated. Bivariate analysis showed that adherence was associated with race/color, educational level, the reference center where the patient was followed up and familial income. After adjustments, mixed race (parda), reference center location in central Brasília, high educational level and friends’ support for needs remained associated with adherence. After excluding race/color from the model, the reference center location, educational level, profession, income, support (being able to count on someone who demonstrably likes you) and satisfaction with the service at the pharmacy remained related to adherence. In addition to the factors already established in the literature, questions relating to support within the microsocial environment and the healthcare services were shown to be associated with therapeutic compliance.