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Low body mass index (BMI) and weight loss is common among old home-care clients and nursing home residents in many countries - often in spite of an apparent sufficient intake of energy. The aim of this study was to assess whether a similar problem exists in Denmark. Information regarding height, body weight, BMI, and energy intake was collected. Besides this, 24 residents were weighed regularly during 1 year. The study was carried out in five nursing homes and two home-care districts situated in the area of Copenhagen. A total of 180 residents and 200 clients 65+ years of age participated. Main outcome measures were prevalence of BMI < 20 kg/m2, BMI < 18.5 kg/m2, acute weight loss and median energy intake. Thirty-three and thirty per cent of the residents and clients had a BMI < 20 kg/m2 and, 22 and 12% had a BMI < 18.5 kg/m2. Of the residents, who were weighed regularly, 38% had a weight loss above 5%. The median intake of energy was equal to or above the estimated median energy requirement. Hence, the prevalence of low BMI and weight loss among old Danish nursing home residents and home-care clients is high and similar to that found in other countries. There is a need for increased focus on nutritional state and risk factors in these settings. Published by arrangement with John Wiley & Sons.

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