Rev. Integr. Bus. Econ. Res. Vol 3(NRRU) 16 Copyright  2014 Society of Interdisciplinary Business Research (www.sibresearch.org ) ISSN: 2304-1013 (Online); 2304-1269 (CDROM) Factors Correlated Quality of Life of the Elderly People in Residential Homes for the Elderly Kerdsiri Hongthai Vongchavalitkul University E-mail kerdsiri_h@yahoo.com Kumaleeporn Treesorn Vongchavalitkul University Raweewan Pongpoottipat Vongchavalitkul University ABSTRACT The purpose of this study was to explore factors correlated quality of life of the elderly in residential homes for the elderly in Nakhonratchasima Province. The factors included age, income, marital status, level of education and a number of relatives.The sample was about 100 elderly people who living in residential homes for the elderly in Nakhonratchasima Province, have good conscience and normal perception communicate .Data were collected using a structured interview with Likert type scales with 5 categories. Index of Congruence was 0.81 and Cronbach's alpha coefficient was 0.859. Data were analyzed with descriptive statistics and Pearson's Correlation Coefficient.The results showed that the elderly are satisfied in the quality of life in Physical quality of life is medium level. Psychological, the social relationship, environment and overall quality of life is good level. Education is positively related to quality of life in psychological (r= .224, P <.05) and a number of relatives are positively related to quality of life in psychological and interpersonal relationships (r =.224 and r = .253, P <.05) factors such as gender, age, marital status , education level, income, number of relatives not correlate significantly with the overall quality of life. Keywords: quality of life, the elderly, residential homes for the elderly. 1. INTRODUCTION The population structure of Thailand tends to the elderly society as same as many countries around the world. Thailand elderly population increased at a higher rate and will be more. In the past Thailand have the elderly increased 5 percent in1950 to10.1 percent in 2000 that showed for double increase, and is expect to 2015 have the proportion of elderly for 15.6 percent, in 2025 for 21.5 percent, in 2033 for 25 percent, respectively. To addition with the development of public health progress effect to the average age of the elderly have longer age for 8.8 years by men average age 71.8 years and women average age 80.6 years, including the elderly dependency ratio will increase compared to the working age population in 27 years from May 2008, for 1 elderly will have the only 2 people of working age to take care and will be decreased in the future. That meant Thailand will beexactly elderly social and effect to the society and economy of Thailand. In many countries are entering to the elderly society, there are important policies to take care of elderly people in the welfare of the elderly, the medical care, arranged the resident home for elderly who have no one to take care and have a project for quality of live in elderly, especially increaser of poor elderly in the future. In Thailand, about one in three elderly residents in the Northeast part, and is likely to increase from 29.9 percent in 1994 to 33.6 percent in 2007 (Pramote Prasartkul , 2000) Nakhonratchasima is large province, there are the second most population country. Found that