Cognition is defined as perceiving, processing and administrating information, and it is one of main component of self-determination and autonomy in elderly. Other problems of aging are cognitive impairment. 6, 7 Although aging alone is not a factor for developing depression, the loss of relatives, especially the spouse, being away from children, especially in today societies in which widespread families have been replaced with nuclear families, having chronic physical illnesses, using different drugs and loss of cognitive power have made the elderly prone to depression. 5ĭepression is one of the main reasons for disability among the elderly that has been associated with risk of mortality and morbidity. 4 In other study in Iran prevalence of depression among elderly was estimated to be 43% (95% confidence interval : 30%-55%), and the prevalence of very severe, severe, moderate, and mild depression levels were estimated to be 5%, 19%, 33%, and 38%. The prevalence of depression in the elderly living at home with the Geriatric Depression Scale (GDS) was 57.58%. 1 In Iranian elderly residents at home with the beck is 95.64% and with the GDS 81.85%. This rate reaches 30% in the elderly living in nursing homes. The prevalence of clinical symptoms of depression among the elderly has been estimated to be between 8% to 15%. 2 Population aging is considered to describe the burden of elderly population to the health systems, so general health programs must be responsive to this inevitable phenomenon. 1 The greatest challenge is the prevention of disability and improving the quality of life for older adults. These findings emphasis on assessing cognitive impairment and depression in geriatric assessment in elderly.īecause of psychological problems such as depression and cognitive impairment, the aging of population will be one of the most important health problems in the future. Elderly with severe depression had twice risk (95% CI: 1.41-4.8) for cognitive dysfunction.Ĭonclusion: Findings suggest there is a relationship between depression and cognitive impairment among the elderly. Elderly with collegiate education had 85% (95% CI: 0.1-0.5) and employed elderly had 56% (95% CI: 0.04-0.74) lower risk for cognitive dysfunction. There was a significant correlation between MMSE and GDS. Older people (>75 years) had more twice risk (95% CI: 1.01-4.90) for cognitive dysfunction. Results: The mean age of the participants was 65.71 years. Data were analyzed by using SPSS-17 with correlation analysis and logistic regression. Data were collected using the sociodemographic questionnaire, Mini-Mental State Examination (MMSE) and Geriatric Depression Scale (GDS). Methods: This cross-sectional population-based study was conducted on 506 older adults were presented to the health centers of the municipality of Tehran, Iran. So the aim of this study was to determine the relationship between depression and cognitive impairment in older adults. Introduction: Depression and cognitive impairment are common mental health problems among elderly, although few studies have examined their co-occurrence in aging population.
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