Introduction: Dementia is one of the most important public health problems due to the increased prevalence among elderly all over the world. It is a syndrome caused by a number of progressive illnesses that affect memory, thinking, behavior and the ability to perform everyday activities. The aim of this study was to estimate the prevalence of Dementia and to identify its predictors in Sharkia Governorate.

Population and method one sector from 5 sectors in Zagazig city at Sharkia governorate was chosen randomly. The study began in December 2017 to April 2018. During this period 1820 individuals were interviewed by the research team who visited the field 2–4 days a week. The study was conducted in three phases: (1) screening, (2) clinical diagnosis and (3) laboratory diagnostic phases.


Result 1820 elder individuals were included in the study, 108 of them were positive by screening test. Most of them were females, more than 80 years old . 43.5% of neurodegenerative dementia were of moderate degree. it was found that the most significant predictors of neurodegenerative dementia were age ≥80 years (O.R=18.7, p < 0.05), Single or widow or divorced(O.R=1.98, p < 0.05), illiterate (O.R=6.7, p < 0.05),low social class(O.R=8.8,p < 0.05),smoking(O.R=3.03, p < 0.05),irregular mental and social activities (O.R=2.2,1.3 respectively, p < 0.05),hypertension and diabetes(O.R=4.7, p < 0.05), Hyperlipidemia (O.R=2.5, p < 0.05), Occupations or Environmental exposures(O.R=10.3, p < 0.05), Living alone(O.R=2.07, p < 0.05) and Family history of dementia(O.R=7.7, p < 0.05).