The data was based on information about 148 individuals, eighty years of age, who were invited by the health center in Selfoss to get one health visit during the years 2005-2010.
Gögnin byggðu á upplýsingum um 148 áttræða einstaklinga sem fengu boð um eina heilsueflandi heimsókn frá heilsugæslustöðinni á Selfossi á árunum 2005-2010.