Mobile phone dependence (MPD) is a form of addictive behavior that poses a threat to the physical and mental health of adolescents. MPD is closely linked to individual characteristics, as well as family and social environments. However, existing literature has yet to thoroughly investigate the relationship between MPD and childhood physical maltreatment in middle school students, including its mediating and moderating mechanism. This study involved 16,216 adolescents and examined the relationship between MPD and childhood physical maltreatment in middle school students while exploring the mediating mechanism of social support. To examine the moderating effect of parental migration status, a multi-group structural equation model (SEM) was employed to investigate potential group differences in MPD, childhood physical maltreatment, and social support among three groups: left-behind middle school students (LBS), returned migrant middle school students (RMS), and middle school students whose parents do not immigrate (NMS). The findings of this study suggest that childhood physical maltreatment positively influences MPD, with social support serving as a mediator in this pathway. We found that the mechanisms affecting the onset of MPD vary across RMS, LBS and NMS. It is recommended that educators or managers not only reduce physical maltreatment and increase social support channels but also identify key groups and develop targeted policies for different social subjects.

中文翻译：

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留守和返乡农民工中学生社会支持在手机依赖与儿童期身体虐待关系中的中介作用：多组结构方程模型

手机依赖（MPD）是一种成瘾行为，对青少年的身心健康构成威胁。 MPD与个人特征以及家庭和社会环境密切相关。然而，现有文献尚未深入探讨中学生MPD与儿童期身体虐待的关系及其中介和调节机制。本研究涉及16,216名青少年，考察了中学生MPD与儿童期身体虐待之间的关系，同时探讨了社会支持的中介机制。为了检验父母外出务工状况的调节作用，采用多组结构方程模型（SEM）研究留守中学生（LBS）三组在MPD、儿童身体虐待和社会支持方面的潜在组间差异。 、回国打工中学生（RMS）、父母不外出务工的中学生（NMS）。这项研究的结果表明，童年时期的身体虐待对 MPD 产生积极影响，而社会支持在这一途径中发挥着中介作用。我们发现影响 MPD 发生的机制在 RMS、LBS 和 NMS 中有所不同。建议教育者或管理者不仅要减少身体虐待、增加社会支持渠道，还要针对不同的社会主体识别重点群体、制定有针对性的政策。