Marital adjustment can play a fundamental role in the couples' life. Marital adjustment affects couple's physical and mental health, and increases their ability to cope with the problems and stress-making factors. Therefore, the objective of the present study was to compile the model of some antecedents and outcomes of marital adjustment. Methods: The present descriptive study was of correlational studies with structural equations modeling. The statistical population of the study included all

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... rried employees at University of Isfahan, Isfahan, Iran, from whom 172 people were randomly selected and responded to Snyder adults hope questionnaire, Oxford Argyle et al. happiness questionnaire, Busby et al. marital adjustment, Khodayarifard et al. assessment of religious tendency, and the scale of Connor and Davidson's resilience. Data analysis was performed by structural equation modeling using SPSS and AMOS software. Findings: Suggested model of the study had a very good goodness of fit. The results showed the direct effect of religious tendencies, resilience, hope, and happiness on marital adjustment (P < 0.01 for all). Moreover, the results showed an indirect effect of religious tendencies, resilience, and hope on happiness through marital adjustment (P < 0.05 for all). Conclusion: Marital adjustment is a protective factor for physical health and well-being, and a sign of a couple's progress and success. However, the existence of these effects depends on the degree of adjustment between the couple. Therefore, it is recommended to pay attention to variables such as resilience, religious tendencies, and hope, to improve marital adjustment and to create happiness and vitality in life.