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The aim of this study is twofold. First, to assess the level of agreement between radiographic damage and functional disability in older people with osteoarthritis. And second, to assess the role of coping skills and sensory pain parameters as sources of disagreement between these variables. To achieve this objective we assess, in a sample of 104 older people with osteoarthritis, the following variables: functional capacity, radiographic damage, pain coping strategies, pain intensity, pain frequency and pain duration. The results show a non-linear relationship between radiographic damage and functional disability, modified by the levels of the two variables. There was maximum agreement between low levels of radiographic damage and of functional impairment, whilst agreement decreased for moderate and high levels of radiographic damage. Certain coping strategies may help to explain this disparity., El presente trabajo persigue un doble objetivo. Primero, evaluar el grado de concordancia entre el deterioro radiológico y el nivel de capacidad funcional en las personas mayores con artrosis. En segundo lugar, analizar las fuentes de disparidad de tal concordancia, para lo que se estudia el papel de los parámetros sensoriales del dolor y de las estrategias de afrontamiento ante el mismo. Para ello se evaluaron, en una muestra de 104 personas mayores con artrosis, la capacidad funcional, el grado de deterioro físico -afectación radiológica-, las estrategias de afrontamiento al dolor y los parámetros sensoriales del dolor de intensidad, frecuencia y duración. Los resultados mostraron que la relación entre el deterioro radiológico y funcional no varía linealmente, sino que depende de los niveles de ambas variables, existiendo una concordancia máxima entre niveles bajos de deterioro funcional y de deterioro radiológico, mientras que disminuye para niveles moderados o elevados de deterioro radiológico. Ciertas estrategias cognitivas y conductuales de afrontamiento evaluadas parecen ayudar a explicar tal disparidad.

This article reviews the significance of the Geriatric Depression Scale (GDS) to practitioners and researchers in clinical gerontology, more than 10 years after the scale was introduced to the scientific community. This report summarizes findings from the most relevant validation studies in which this self-report for assessing depression in elderly people has been tested. Included is discussion of the use of the GDS with specific populations (elderly medical inpatients, nursing home residents, and dementia populations), with description of the scale's psychometric properties and its utility when used with them. This article also provides data on the use of the GDS from more recent studies, including additional information on psychometric properties, influence of source bias, and the international dissemination of the GDS. We conclude that the GDS is a relevant self-report for the assessment of depression in the elderly, given its advantage over other self-reports that are not as easily administered to this age group, its utility in the detection of depression, and its adequate psychometric properties. However, the GDS does not maintain its validity in demented populations because it fails to identify depression in persons with mild to moderate dementia. Finally, some suggestions for future research are made.