The results of this study confirm the following hypothesis: Regulatory emotional self-efficacy affects psychological distress in medical students through interpersonal adaptation and self-acceptance. This role includes three indirect paths: the single intermediary role of interpersonal adaptation, the single intermediary role of self-acceptance, and the chain intermediary role of interpersonal adaptation and self-acceptance, among which the path of interpersonal adaptation has the largest effect value. To the best of our knowledge, this mediation model has not been verified in previous studies. These findings help us further understand the mechanism by which medical students' regulatory emotional self-efficacy affects psychological distress and can help us better treat and prevent medical students' psychological distress.
First, interpersonal adaptation plays an intermediary role between medical students' regulatory emotional self-efficacy and psychological distress, which proves the authenticity of H1, which means that medical students with poor interpersonal adaptation are more likely to experience psychological distress when their level of emotional self-efficacy is low. Low-level regulatory emotional self-efficacy leads to an increase in psychological distress, which is consistent with previous results[19–23]. Individuals with high levels of regulatory emotional self-efficacy are more confident in coping with their emotions, especially negative emotions, and they adopt effective emotional regulation strategies to change the adverse effects of negative events[54]. Therefore, in the face of interpersonal difficulties, individuals with high levels of regulatory emotional self-efficacy can adjust their emotions in time and adapt faster, which has been proven by previous studies[33]. On the other hand, good personal relationships can improve negative emotions and enhance self-efficacy[55]. Therefore, promoting interpersonal adaptation may help directly or indirectly reduce psychological distress in medical students. Research shows that medical students are under great academic pressure, and suffer more psychological problems than the general population and college students in other fields[1]. Managers of medical colleges should pay attention to the interpersonal adaptation of medical students and encourage medical students with less confidence in regulating their emotions to actively participate in interpersonal interactions, adapt to various interpersonal settings, and accumulate experience with confronting psychological problems of interpersonal interaction to help them prevent or manage psychological problems.
Second, self-acceptance plays an intermediary role between medical students' emotional self-efficacy and psychological distress, which proves the authenticity of H2. that is, lower emotional self-efficacy is accompanied by a lower degree of self-acceptance among medical students, which leads to more serious psychological distress. Some studies have shown that individuals who lack confidence in their own skills tend to exaggerate their shortcomings, deny their value and refuse to accept themselves[41, 42]. Individuals with little self-acceptance easily to retreat when encountering problems and are more likely to fail when facing challenges, which will spur more psychological difficulty. It has been found that painting therapy, dance therapy, group therapy, cognitive behaviour therapy and hypnotherapy are effective in improving self-acceptance[40, 56–58]. Health workers can consider combining these methods to improve self-acceptance in medical students and reduce the influence of psychological distress on these students.
Finally, the results of this study show that when interpersonal adaptation and self-acceptance are included the regression equation, the direct predictive effect of emotional self-efficacy on psychological distress becomes insignificant. Moreover, the results of our intermediary test show that the chain intermediary function of interpersonal adaptation and self-acceptance also serves as an important mean through which emotional regulation self-efficacy affect medical students' psychological distress. A higher level of emotional self-efficacy can help individuals better achieve interpersonal adaptation[33]. Individuals with good interpersonal relationships usually have higher levels of self-acceptance and experience less anxiety and depression[38]. Therefore, students with high self-efficacy in emotional regulation are less likely to face challenges when facing interpersonal difficulties and more likely to mobilize emotional regulation resources, respond positively, understand themselves and accept themselves in practice. Thus, self-accepting students are more likely to experience psychological harmony, have more satisfaction with life and experience fewer psychological difficulties [59]. Medical colleges and universities should offer courses that enhance self-awareness and promote interpersonal communication or regularly create opportunities for interpersonal interaction for students with interpersonal maladjustment to reduce their psychological distress by strengthening their self-acceptance and interpersonal adaptability.
By constructing a chain mediation model, this study explores the relationship between regulatory emotional self-efficacy and psychological distress of medical students, which is of great practical significance to the common psychological distress of medical students. The research is helpful to understand the relationship between regulatory emotional self-efficacy and psychological distress from the perspective of interpersonal adaptation and self-acceptance, and emphasizes that good interpersonal adaptation and self-acceptance of medical students can alleviate psychological distress. Mental health workers in colleges and universities should pay close attention to students with poor interpersonal adaptability or low self-acceptance, and take appropriate measures to improve their interpersonal adaptability or self-acceptance.
By constructing a chain mediation model, this study explores the relationship between emotional self-efficacy and psychological distress of medical students, which is of great practical significance to the common psychological distress of medical students. The research is helpful to understand the relationship between emotional self-efficacy and psychological distress from the perspective of interpersonal adaptation and self-acceptance, and emphasizes that good interpersonal adaptation and self-acceptance of medical students can alleviate psychological distress. Mental health workers in colleges and universities should pay close attention to students with poor interpersonal adaptability or low self-acceptance, and take appropriate measures to improve their interpersonal adaptability or self-acceptance.
Research also has some limitations. Although the model verified in this study is based on the existing research and theoretical basis, it is limited by questionnaire and cross-sectional study, so it is impossible to infer the exact causal relationship. In the future, longitudinal study can be used to investigate the relationship between them. In addition, the self-assessment method is used to investigate the subjects in this study, and the results may be influenced by the reaction deviation of the subjects.