The purpose of this research is to examine effects of ego identity of middle-aged married women on
marital intimacy and psychological well-being among middle-aged married women, both Christians and
non-Christians. In order to investigate how ego identity of middle-aged married women affect their marital
life, surveys including Ego Identity Scale, Marital Intimacy Scale, and Psychological Well-beings Scale were
administered to 275 middle-aged married women residing in Seoul. T-test, ANOVA, correlation analysis
and regression analysis were conducted to analyze the data. The results are as follows; First, among
Christian middle-aged women, ego identity made no effect on marital intimacy and intimacy of the sense
of ego identity, goal directedness and area of self-acceptance were statistically significant correlations with
psychological well-being. Second, among non-Christian middle-aged women, ego identity made significant
effects on marital intimacy and psychological well-being. In other words, non-Christian middle-aged
married women showed more intimate relations with their spouses and their psychological well-being when
their ego identity was higher. Finally, it would be meaningful in the clinical field to develop the skills to
improve ego identity of the middle-aged married women and help them in the couple and family therapy
field.