This research aims to study the following objectives: 1) the demographic characteristics of Gen Y that influence the decision to choose nursing home services 2) the factors of the marketing mix that influence the decision to choose Gen Y nursing home services and 3) the consumer behavior factors of Gen Y influencing the decision to use nursing home services of Gen Y. The research is based on a quantitative research method. The sample consisted of the population born between 1980 and 1997 aged between 24 and 41 years living in Bangkok. 400 people were examined by using the questionnaire created by the researcher. The statistics used in the study were frequency percentage mean standard deviation T-test F-test and multiple regression. The study results are that 1) looking at the demographic characteristics most respondents are female aged 30-35 years old with a bachelors degree single status and employees of private companies with an average monthly income of 10001 – 20000 Baht. In the future when the elderly can’t rely on their children or relatives to live they need to prepare savings for a senior living in a nursing home without underlying diseases. Most of the respondents have no children. The questionnaire used collected information on gender age level of qualification marital status occupation income parents’ support savings congenital disease number of children. All these factors affected the decision to choose Gen Y nursing home services at a statistically significant level of 0.05. 2) Marketing mix factors (7Ps) by product price place process and promotion affected choose the nursing home services of Gen Y. These factors were statistically significant at the 0.05 level. When testing the correlation value multiple regression (R square = 0.684) found that the relationship R value highly correlated with promotion place process price physical evidence people and product respectively. 3) Consumer behaviour factors social aspects personal aspects and psychological aspects affected decistion to choose the nursing home services of Gen Y. These factors were significant from the statistical test at the 0.05 level. When testing the correlation value and multiple regression (R square = 0.696) found that the relationship with the highest R value followed by personal psychological social and cultural aspects respectively.

The purposed of this research “Personal factors and marketing mix that affecting to decision making for choosing nursing home of senior people” was to study (1) decision making behavior of senior people for choosing nursing home (2) personal factors that affecting to decision making for choosing nursing home of senior people. The samples of this study were 400 of senior people who live in Bangkok and provinces nearby. The questionnaires were implemented as the tool for data collection. The statistics methods were used for analyzing data; Percentage Mean Standard Deviation T-Test and One-way ANOVA. The results were found that: Most of samples are women marriages age 60-65 years old finished primary schools retirees revenue between 10000 - 20000 baht. They want to stay at their own home and need helpers when they get older and can’t help themselves. They believe they can support their housing expenditure in between 2000 – 10000 baht. They like making merit being independent and simple life. Their opinions about marketing mix; (1) Product they concern about security system in accordance with intentional standard. (2) Price they prefer offering several price level. (3) Place nursing home should located nearby hospitals. (4) Promotion they concern about clear information and housing tour. (5) People or Employee nursing home should have doctors nurses and specialists. (6)