Sociological study of quality of marital life with demographic factors

The purpose of this study is Measuring the relationship between the  quality of marital life with demographic factors. This research is based on the descriptive-correlation nature. The statistical population contains all married women between the ages of 15 and 65 years living in Karaj, according to the Cochran formula, the sample size is 465 people. The sample was determined by cluster sampling and then by simple random sampling. In theoretical foundations, theories of quality of life, Parsons, Safi, homogeneous, and the like are used. Finally, theoretical model of the research is designed. This research was conducted using a survey method. The data gathering tool was a researcher-made questionnaire . Reliability of the questionnaire was obtained by Cronbach's alpha for all dimensions of the questionnaire above 0.7, which is acceptable. Data were analyzed by descriptive and inferential statistics and analyzed using SPSS software. The result of the hypothesis with related tests shows that there is a significant relationship between quality of life and age, marriage age, age interval with spouse, duration of marriage, number of children, fertility age. According to regression and path analysis, the most and the strongest influence on the quality of marital life can be directly related to the direct effect of the variables of the marriage period (0.772), the age difference with the spouse (0.381), the marriage age (0.440).