2 results
Coronavirus disease 2019 is associated with long-term depressive symptoms in Spanish older adults with overweight/obesity and metabolic syndrome
- Sangeetha Shyam, Carlos Gómez-Martínez, Indira Paz-Graniel, José J. Gaforio, Miguel Ángel Martínez-González, Dolores Corella, Montserrat Fitó, J. Alfredo Martínez, Ángel M. Alonso-Gómez, Julia Wärnberg, Jesús Vioque, Dora Romaguera, José López-Miranda, Ramon Estruch, Francisco J. Tinahones, José Manuel Santos-Lozano, J. Luís Serra-Majem, Aurora Bueno-Cavanillas, Josep A. Tur, Vicente Martín Sánchez, Xavier Pintó, María Ortiz Ramos, Josep Vidal, Maria Mar Alcarria, Lidia Daimiel, Emilio Ros, Fernando Fernandez-Aranda, Stephanie K. Nishi, Oscar García Regata, Estefania Toledo, Jose V. Sorli, Olga Castañer, Antonio Garcia-Rios, Rafael Valls-Enguix, Napoleon Perez-Farinos, M. Angeles Zulet, Elena Rayó-Gago, Rosa Casas, Mario Rivera-Izquierdo, Lucas Tojal-Sierra, Miguel Damas-Fuentes, Pilar Buil-Cosiales, Rebeca Fernández-Carrion, Albert Goday, Patricia J. Peña-Orihuela, Laura Compañ-Gabucio, Javier Diez-Espino, Susanna Tello, Ana González-Pinto, Víctor de la O, Miguel Delgado-Rodríguez, Nancy Babio, Jordi Salas-Salvadó
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- Journal:
- Psychological Medicine / Volume 54 / Issue 3 / February 2024
- Published online by Cambridge University Press:
- 05 September 2023, pp. 620-630
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Background
The coronavirus disease 2019 (COVID-19) has serious physiological and psychological consequences. The long-term (>12 weeks post-infection) impact of COVID-19 on mental health, specifically in older adults, is unclear. We longitudinally assessed the association of COVID-19 with depression symptomatology in community-dwelling older adults with metabolic syndrome within the framework of the PREDIMED-Plus cohort.
MethodsParticipants (n = 5486) aged 55–75 years were included in this longitudinal cohort. COVID-19 status (positive/negative) determined by tests (e.g. polymerase chain reaction severe acute respiratory syndrome coronavirus 2, IgG) was confirmed via event adjudication (410 cases). Pre- and post-COVID-19 depressive symptomatology was ascertained from annual assessments conducted using a validated 21-item Spanish Beck Depression Inventory-II (BDI-II). Multivariable linear and logistic regression models assessed the association between COVID-19 and depression symptomatology.
ResultsCOVID-19 in older adults was associated with higher post-COVID-19 BDI-II scores measured at a median (interquartile range) of 29 (15–40) weeks post-infection [fully adjusted β = 0.65 points, 95% confidence interval (CI) 0.15–1.15; p = 0.011]. This association was particularly prominent in women (β = 1.38 points, 95% CI 0.44–2.33, p = 0.004). COVID-19 was associated with 62% increased odds of elevated depression risk (BDI-II ≥ 14) post-COVID-19 when adjusted for confounders (odds ratio; 95% CI 1.13–2.30, p = 0.008).
ConclusionsCOVID-19 was associated with long-term depression risk in older adults with overweight/obesity and metabolic syndrome, particularly in women. Thus, long-term evaluations of the impact of COVID-19 on mental health and preventive public health initiatives are warranted in older adults.
New progress on factorized groups and subgroup permutability
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- By Milagros Arroyo-Jordá, Universidad Politécnica de Valencia, Paz Arroyo-Jordá, Universidad Politécnica de Valencia, Ana Martínez-Pastor, Universidad Politécnica de Valencia, M. Dolores Pérez-Ramos, Universitat de València
- Edited by C. M. Campbell, University of St Andrews, Scotland, M. R. Quick, University of St Andrews, Scotland, E. F. Robertson, University of St Andrews, Scotland, C. M. Roney-Dougal, University of St Andrews, Scotland
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- Book:
- Groups St Andrews 2013
- Published online:
- 05 September 2015
- Print publication:
- 22 October 2015, pp 142-151
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Summary
Abstract
The study of products of groups whose factors are linked by certain permutability conditions has been the subject of fruitful investigations by a good number of authors. A particular starting point was the interest in providing criteria for products of supersoluble groups to be supersoluble. We take further previous research on total and mutual permutability by considering significant weaker permutability hypotheses. The aim of this note is to report about new progress on structural properties of factorized groups within the considered topic. As a consequence, we discuss new attainments in the framework of formation theory.
Introduction
In this survey only finite groups are considered.
The study of groups factorized as the product of two subgroups has been the subject of considerable interest in recent years. One of the important questions dealing with this study is how the structure of the factors affects the structure of the whole group and vice versa. A natural approach to this problem is provided by the theory of classes of groups. In this context, the above question can be reformulated as when the belonging of the factors of a factorized group to a class of groups is transferred to the whole group and reciprocally. It is well known that the product of two normal supersoluble subgroups is not supersoluble, in general. Nevertheless, the class of all supersoluble groups U is closed under forming direct and central products. It seems then natural to consider factorized groups in which certain subgroups of the corresponding factors permute, in order to obtain new criteria of supersolubility. A starting point of this research can be located at M. Asaad and A. Shaalan's paper [6]. They considered factorized groups G = AB where A and B are supersoluble subgroups and, in particular, they proved that G is supersoluble under any of the following conditions:
(i) Every subgroup of A permutes with every subgroup of B.
(ii) A permutes with every subgroup of B, B permutes with every subgroup of A and, moreover, the derived subgroup G’ of G is a nilpotent group.
Products of groups whose factors satisfy condition (i) were called totally permutable products by R. Maier in [33], where he proved that a corresponding result remains valid when the saturated formation U of all supersoluble groups is replaced by any saturated formation containing U.