Purpose: The aim of this study was to design a marital satisfaction model based on the components of mental health, personality traits and personality coordination and mediated sexual satisfaction in couples referring to health centers in Tehran.
Materials and Methods: According to the indicators and objectives of the research, the research was descriptive-correlational exploratory-consecutive and guided. The statistical population of this study included all couples referring to health centers in Tehran in 2019. Multi-stage random sampling method and statistical sample size based on sample power software (350 people) and according to the 20% probability of drop in the number of samples 372 people were considered and analyzed. Enrich (1982) Marital Satisfaction Questionnaire, Goldberg Mental Health (1972), McCray and Costa (NEO-FFI) Personality Traits and Personality Coordination Questionnaire (1985), Larson (1998) Sexual Satisfaction Questionnaire were used to collect data. Taken and run on the sample. Data were analyzed using SPSS software and smartpls structural equations.
Findings: The design of marital satisfaction model based on mental health components, personality traits and personality coordination and mediated sexual satisfaction in couples is consistent with the theoretical model and has a good fit, also between mental health components, personality traits and there is a significant relationship between personality harmony, sexual satisfaction and marital satisfaction of couples.
Conclusion: The results showed that on the other hand, the components of mental health, personality traits and personality coordination with marital satisfaction and mediated sexual satisfaction in couples referring to health centers in Tehran had a positive effect.