摘要：This study aimed to validate a set of indicators that can contribute to producing a diagnostic about the living conditions of the elderly population in the cities, serving as a powerful tool for decision making. The methodology adopted was the adaptation of the “Diagnostic content validation model”, Fehring, published in 1987. The system of indicators was based on the concept of active ageing and its determinants. Of the 38 indicators analyzed by the experts as to their appropriateness and relevance for the diagnosis and monitoring of the performance of cities to be friends of the elderly, 17 were considered critical, 19 supplementary and 2 were considered inadequate and irrelevant, being excluded from the system. Then the reliability of the questionnaire through Cronbach’s alpha coefficient was calculated. The indicators proved to be useful in classifying age-friendly cities worldwide.
