The aim of this study is to evaluate the relationship between resilience and mental health in older adults and how physical activity influences that relationship. A cross-sectional study was carried out with 312 older adults (179 active and 133 sedentary classified by IPAQ). Considering the whole sample, an inverse relationship was found for resilience (Wagnild-Young's Resilience Scale) with depression and stress (DASS-21). Among the sedentary, in spite of there not being an association between total resilience and mental health, there was an inverse relationship for the "meaning of life" component of the resilience and depression scale. For the active group, there was a relationship between total resilience and its components with depression and stress, but not for the "meaning of life" component of the resilience scale. Physical activity played an important role in the relationship between resilience and depression, showing that active and sedentary people use different components of resilience.
Aim: Studies have indicated that altruistic behaviour may be associated with better health. Nevertheless, it has not been determined if volunteering acts as a protective factor against cognitive decline or if a person's altruistic character does so. This study aims to evaluate whether altruistic behaviour and volunteering are associated with better cognitive function in active community-dwelling older persons. Methods: This was a cross-sectional study in healthy older persons. Sociodemographics, altruistic behaviour (self-report altruism scale), volunteering (days volunteered), cognitive state (cognitive assessment battery), and factors associated with cognition (e.g. depression, social support, functional status, and religiosity) were evaluated. Adjusted and non-adjusted models were created in order to understand the relationship of altruistic behaviour and volunteering with cognitive performance. Results: A total of 312 older adults were evaluated; 89.4% were women, and the mean age was 69.6 years. In the linear regression models, greater altruistic behaviour was associated with higher scores on the Mini-Mental State Examination (β = 0.148, P < 0.05) and the verbal fluency test (β = 0.219, P < 0.001), even after adjustments. In contrast, volunteering was not associated with any of the cognitive tests used. Conclusion: Altruistic behaviour seems to have a role in older persons' cognition, with more altruistic people tending to have greater cognitive performance. These findings can assist in developing mechanisms that can help keep older people more cognitively active and serve as the foundation for future interventions and studies in this area.
Introduction: Decreased heart rate variability (HRV) in patients with end stage renal disease (ESRD) undergoing hemodialysis is predictive of cardiac death, especially due to sudden death. Objective: To evaluate the effects of aerobic training during hemodialysis on HRV and left ventricular function in ESRD patients. Methods: Twenty two patients were randomized into two groups: exercise (n = 11; 49.6 ± 10.6 years; 4 men) and control (n = 11; 43.5 ± 12.8; 4 men). Patients assigned to the exercise group were submitted to aerobic training, performed during the first two hours of hemodialysis, three times weekly, for 12 weeks. HRV and left ventricular function were assessed by 24 hours Holter monitoring and echocardiography, respectively. Results: After 12 weeks of protocol, no significant differences were observed in time and frequency domains measures of HRV in both groups. The ejection fraction improved non-significantly in exercise group (67.5 ± 12.6% vs. 70.4 ± 12%) and decreased non-significantly in control group (73.6 ± 8.4% vs. 71.4 ± 7.6%). Conclusion: A 12-week aerobic training program performed during hemodialysis did not modify HRV and did not significantly improve the left ventricular function.
The aim of this study was to longitudinally investigate the association between resilience and mental health in older adults and to determine the influence of physical activity on this relationship. A total of 291 older adults were included in a 2-year follow-up study. Adjusted linear regression models evaluated the association between resilience at baseline and mental health after 2 years in sufficiently and insufficiently physically active older adults. A negative correlation was found between resilience at baseline and depression, anxiety, and stress after 2 years for the overall sample. This association changed after stratifying the group. Sufficiently physically active individuals made greater use of the resilience components “Self-Sufficiency” and “Perseverance,” whereas insufficiently physically active individuals made greater use of “Meaning of Life” and “Existential Singularity.” Physical activity can influence the relationship between resilience and mental health. These results can help guide the devising of more effective interventions for this age group.
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