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Background Lawyer is one of the most stressful jobs, but lawyers' occupational stress is rather under-researched in China. Previous studies have shown that occupational stress and mental health are related to self-regulatory fatigue and health literacy in lawyers, but there is a lack of research on their interaction mechanism. Objective To explore the association of occupational stress and mental health in lawyers and the internal mechanism of action of self-regulatory fatigue and health literacy between them. Methods A convenience sample of 660 lawyers from 7 leading Chinese law firms were surveyed from May to June 2022 using questionnaires including a self-compiled Demographic Questionnaire, the Lawyers' Occupational Stress Scale, Symptom Checklist-90 (SCL-90), Self-regulatory Fatigue Scale (SRF-S) and National Residents' Health Literacy Surveillance Rapid Assessment Questionnaire (HLSRAQ). Stepwise regression was used to explore the mediating effect of self-regulatory fatigue between occupational stress and mental health, and bootstrap method was used to test the mediating effect of self-regulatory fatigue. Model 5 in PROCESS 3.4 was used to explore the moderated mediating effect of health literacy between occupational stress and mental health. Bootstrap method was used to test the moderating mediating effect of health literacy, and further simple slope test was used to test the moderating effect, and the effects of occupational stress on the mental health of lawyers with different health literacy levels were analyzed. Results Six hundred and fifty-six cases (99.39%) who effectively responded to the survey were included for final analysis. The average scores of occupational stress, SCL-90, SRF-S and HLSRAQ were (106.9±34.8), 39.0 (15.0, 84.0), (39.4±10.0) and (13.9±3.7), respectively. Stepwise regression analysis showed that occupational stress could positively predict mental health (β=0.36, t=13.40, P

In this paper, we propose a novel 4D conservative chaotic system with a variety of interesting dynamic behaviors. By analyzing the divergence, Lyapunov exponent, equilibrium point and K-Y dimension of the proposed system, it is found that the system has hidden attractors and conservative characteristics. When the control parameters and initial values of the 4D conservative chaotic system are set to different values, the system shows hidden extreme multistability and offset boosting behaviors. In addition, in the case of fixed control parameters, when different initial values are selected, the system exhibits a variety of special transient transition behaviors, including quasi-periodic to periodic, quasi-periodic to hyperchaotic state. Subsequently, compared with existing systems, the complexity analysis of the chaotic sequence shows that the proposed system has a significant improvement in terms of sequence complexity. Finally, the system is implemented through a DSP hardware platform, preparing for subsequent engineering applications. [ABSTRACT FROM AUTHOR]