Introduction: The aged population is growing in Iran where inadequate health conditions can result in heavy costs. Therefore, factors affecting anthropometric variables, which play a significant role in the elderly's nutrition as an important factor of their health, have been investigated in this research.Materials & Methods: The case population covered all the over 65- year- old residents of Esfahan in 2004. Using a clustral sampling, 1705 people were investigated for samples. An analytic descriptive cross- sectional method was applied in this study. The Varience Analysis and Hoc- Post methods were used to test any possible relations between anthropometric variables and those of occupation, marriage, aerobics, having breakfast or out-door meals.Finds: A significant relation was obtained between the following factors: -body weight and occupation, breakfast, aerobics, and marriage-BMI and occupation, and breakfast.- WHR and occupation- the knee height and occupation, breakfast, aerobics, and marriage-round the waist and breakfast-round the arm and occupation, breakfast, aerobics, and marriage-rond the hip and occupation-WHTR and occupation, breakfast, aerobics and marriageConclusion: The finds prove that variables of occupation, breakfast marriage, aerobics ,and using out-door meals are of the most to the least significant relations with variables of anthropometry respectively.