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南京医科大学学报(社会科学版)京医科大学学报(社会科学版)
               第4期 总第135期                           南                                                         ·
                 2026年8月                      Journal of Nanjing Medical University(Social Sciences)of Nanjing Medical University(Social Sciences)  · 391
                                              Journal
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              [30]Ose S O,Tveit T,Mehlum L. Non⁃suicidal self⁃injury                           (本文编辑:姜 鑫)


               The relationship between perceived social support and non⁃suicidal self⁃
                  injury among adults: the mediating effect of negative emotion and

                                                         loneliness

                                          1,2
                                                                    3
                                                    1,2
                                                                                1,2
                               Yang Weiyan ,Cao Xin ,Chen Xiangfan ,Gao Yuexia ,Lu Hongjian   1,4
                        1. School of Public Health,2. Health and Development Institute,Nantong University,Nantong 226019;
                         3. Science and Technology Department,Affiliated Hospital 2 of Nantong University,Nantong 226001;
                              4. Comprehensive Office,Nantong Municipal Health Commission,Nantong 226004,China
                   Abstract:This study explores the relationship between perceived social support and non⁃suicidal self⁃injury
              (NSSI) among adults,along with the mediating role of negative emotions and loneliness. From July to
               September 2024,a questionnaire survey was conducted among 1 751 adults in Nantong. The results showed
               that the prevalence rates among adults were 5.08% for NSSI,5.88% for stress,8.00% for anxiety,6.74% for
               depression,and 7.76% for loneliness. The perceived social support score was 64.09 ± 8.72,indicating a
               relatively high level. Mediation analysis revealed that both negative emotions and loneliness play mediating roles
               between perceived social support and NSSI. The results indicate that high levels of perceived social support can
               directly reduce the occurrence of NSSI in adults and also indirectly decrease its occurrence by alleviating
               individual negative emotions and loneliness.
                   Key words:non⁃suicidal self⁃injury;perceived social support;negative emotions;loneliness;mediation
               analysis
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