Introduction: obesity as a health problem all over the world and is growing.
Objective: This study aimed to determine the prevalence of obesity and the correlation between body mass index is associated with mental health among the elderly.
Method: This cross-sectional study in Tehran and all seniors who had no cognitive problems, constituted the study population. The sample of 400 people aged over 60 years who range from 5 Tehran (North, South, Central, East and West) are randomly selected and enrolled in several stages. The data collected through a questionnaire consisted of demographic and public health sectors - GHQ -28 (the subscale of anxiety, depression, physical function and social function), which was completed by the elderly.
Results: The mean body mass in men and women aged 26/5 and 26/8 respectively to the categories of body mass, is considered overweight. Nearly 25 percent of elderly obese, 37% overweight, and 3% were underweight and only 35% of ideal body weight. The prevalence of overweight and obesity in men and women respectively 28 and 24 percent, respectively, 44 and 26. Statistical tests showed a significant relation between body mass and age, occupation and education level is (p <001). BMI with mental health disorders, a positive correlation was significant but weak (P=0/01 , r=0/12).The data samples into spss software version 21 and descriptive and analytical methods including Kolmogorov-Smirnov test, ANOVA ANOVA and Pearson correlation analysis was used.
Conclusion: Given the high prevalence of overweight and obesity among the elderly and its relationship with some aspect of mental health, including social functioning, physical functioning and mental health anxiety, it is necessary officials and experts, are aware of this problem and its dimensions. In this context, it is suggested, to investigate factors such as the type of job and more detailed studies be conducted geriatric knowledge