Article(id=1325530057590194494, tenantId=1146029695717560320, journalId=1256213402557890569, issueId=1325529948685091532, articleNumber=null, orderNo=null, doi=10.16835/j.cnki.1000-9817.2025242, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736092800000, receivedDateStr=2025-01-06, revisedDate=1743350400000, revisedDateStr=2025-03-31, acceptedDate=null, acceptedDateStr=null, onlineDate=1793960592886, onlineDateStr=2026-11-06, pubDate=1756051200000, pubDateStr=2025-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793960592886, onlineIssueDateStr=2026-11-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793960592886, creator=13701087609, updateTime=1793960592886, updator=13701087609, issue=Issue{id=1325529948685091532, tenantId=1146029695717560320, journalId=1256213402557890569, year='2025', volume='46', issue='8', pageStart='1065', pageEnd='1216', issueExtLink='null', onlineDate='null', pubDate='1756051200000', pubDateStr='2025-08-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793960566921, creator='13701087609', updateTime=1793960566921, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1175, endPage=1179, ext={EN=ArticleExt(id=1325530057841852735, articleId=1325530057590194494, tenantId=1146029695717560320, journalId=1256213402557890569, language=EN, title=Predicting model for the impact of Internet usage characteristics on suicidal ideation among vocational high school students, columnId=1259565855189418448, journalTitle=Chinese Journal of School Health, columnName=Mental Health, runingTitle=null, highlight=null, articleAbstract=
Objective To explore the association between the Internet usage characteristics and suicidal ideation among vocational high school students, so as to provide a theoretical basis for precise intervention of suicide among vocational high school students.
Methods A total of 1 781 students were recruited from three vocational high schools in Wuhan and Xianning in March 2023 by using the cluster random sampling method. The Columbia-Suicide Severity Rating Scale and Revised Chen Internet Addiction Scale were used to measure suicidal ideation and Internet addiction, respectively. LASSO regression model was used to select influential factors related to suicidal ideation, and the gradient boosting decision tree algorithm XGBoost was used to develop prediction models and evaluate predictive performance. By calculating the SHAP values, the contribution of each influential factor was quantified.
Results The prevalence of suicidal ideation among vocational high school students was 42.22% and prevalence of Internet addiction was 26.39%. LASSO regression results indicated that age, gender, experience of being left behind, parental relationship, holding a class cadre position, using the Internet for learning, Internet use during dawn, morning and late night, Internet addiction, and depressive symptoms were all the influential factors of suicidal ideation among vocational high school students (β=-0.05, 0.29, 0.09, 0.27, 0.10, -0.01, 0.09, 0.05, 0.24, 0.28, 0.78, all P < 0.05). The AUC of the prediction model was 0.75. The results based on SHAP values indicated that all influential factors identified through multivariate analysis contributed positively to the model predictions (SHAP>0). Among these, depressive symptoms and parental relationship had the greatest impact on suicidal ideation (SHAP=0.77, 0.26), and the joint effect of features with higher contribution could improve the prediction probability.
Conclusions Depressive symptoms, parental relationships, Internet addiction, and time of Internet use are most important risk factors of suicidal behaviors for vocational high school students. Thus, effective interventions should be conducted to reduce their suicidal ideation.
, authors=Bin YU
1, Jingyan YAN
1, Liqun ZHANG
1, Chenchang XIAO
2, Fang LI
*, 3, Yan GUO
4, Hong YAN
1, authorsList=Bin YU, Jingyan YAN, Liqun ZHANG, Chenchang XIAO, Fang LI, Yan GUO, Hong YAN, authorCompany=null, correspAuthors=Fang LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Chinese Journal of School Health. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325530060610093381, articleId=1325530057590194494, tenantId=1146029695717560320, journalId=1256213402557890569, language=CN, title=网络使用特征对职业高中学生自杀意念影响的预测模型, columnId=1259565858817491410, journalTitle=中国学校卫生, columnName=心理卫生, runingTitle=null, highlight=null, articleAbstract=
目的 探究职业高中学生(简称职高生)网络使用特征与自杀意念的关联,为职高生自杀群体精准干预提供参考依据。
方法 2023年3月,采用整群随机抽样方法从武汉市、咸宁市3所职业高中抽取1 781名学生为研究对象,采用哥伦比亚-自杀严重程度评价量表、网络成瘾量表分别评估自杀意念和网络成瘾状况。采用LASSO回归模型筛选自杀意念的影响因素,采用梯度增强决策树算法XGBoost构建自杀意念预测模型,评估预测效能,通过计算SHAP值解释每个影响因素的贡献程度。
结果 职高生的自杀意念报告率为42.22%,网络成瘾报告率为26.39%。LASSO回归结果显示,年龄、性别、留守经历、父母关系、担任班干部、上网内容为学习、上网时间段(黎明、清晨、深夜)、网络成瘾、抑郁症状均是职高生自杀意念的影响因素(β值分别为-0.05,0.29,0.09,0.27,0.10,-0.01,0.09,0.05,0.24,0.28,0.78,P值均<0.05),预测模型的AUC值为0.75。基于SHAP的可视化结果表明,所有通过多变量分析确定的影响因素对模型预测均有正向贡献(SHAP值均>0),其中抑郁症状、父母关系对自杀意念的影响最大(SHAP值分别为0.77,0.26),贡献度较大的特征值之间共同作用可以提高预测概率。
结论 抑郁症状、父母关系、网络成瘾和上网时间段均是职高生自杀意念的重要风险因素,应进行有效干预降低职高生自杀风险。
, authors=俞斌
1, 严婧琰
1, 张立群
1, 肖琛嫦
2, 李芳
*, 3, 郭燕
4, 燕虹
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俞斌(1988-),男,浙江杭州人,博士,副教授,主要研究方向为行为流行病学(青少年健康与行为)、精神卫生流行病学及流行病方法学(心理健康与药物滥用、非线性统计分析)
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2武汉城市学院医学部)]), AuthorCompany(id=1325530061595754827, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, xref=3, ext=[AuthorCompanyExt(id=1325530061608337740, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, companyId=1325530061595754827, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3武汉市疾病预防控制中心卫生应急部)]), AuthorCompany(id=1325530061675446605, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, xref=4, ext=[AuthorCompanyExt(id=1325530061683835214, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, companyId=1325530061675446605, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4武汉市疾病预防控制中心卫生应急部)])], figs=[ArticleFig(id=1325530066545033599, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, language=EN, label=Fig.1, caption=
SHAP value analysis of suicidal ideation among vocational high school students, figureFileSmall=oFb5Woqx+r8moppryJhbKg==, figureFileBig=ET+s5bQjUBEEp4isXexFrg==, tableContent=null), ArticleFig(id=1325530066654085504, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, language=CN, label=图1, caption=
职高生自杀意念SHAP值分析注:A模型基于SHAP的特征重要性分析,B为SHAP特征摘要分析。
, figureFileSmall=oFb5Woqx+r8moppryJhbKg==, figureFileBig=ET+s5bQjUBEEp4isXexFrg==, tableContent=null), ArticleFig(id=1325530067039961473, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, language=EN, label=Fig.2, caption=
Partial feature dependency of depression symptoms, parental relationship and late-night Internet usage among vocational high school students, figureFileSmall=6Mja5S8oU+taDdoTBcz+8g==, figureFileBig=i60r5XhMo0MVtggzcWS0jA==, tableContent=null), ArticleFig(id=1325530067111264642, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, language=CN, label=图2, caption=
职高生抑郁症状与父母关系和深夜上网的部分特征依赖分析注:父母关系1~5分别指很融洽、比较融洽、一般、较紧张、很紧张,抑郁症状0~2分别指无、可能有、肯定有。
, figureFileSmall=6Mja5S8oU+taDdoTBcz+8g==, figureFileBig=i60r5XhMo0MVtggzcWS0jA==, tableContent=null), ArticleFig(id=1325530067190956419, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, language=EN, label=Tab.1, caption=
Comparison of detection rate of suicidal ideation among different groups of vocational high school students
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组别 | 选项 | 人数 | 自杀意念报告人数 | χ2值 | P值 | | 组别 | 选项 | 人数 | 自杀意念报告人数 | χ2值 | P值 |
|---|
| 性别 | 男 | 995 | 359(36.08) | 34.31 | < 0.01 | | 每天平均上网时长/h | < 3 | 604 | 226(37.42) | 17.40 | < 0.01 |
| 女 | 786 | 393(50.00) | | | | 3~ < 4 | 406 | 168(41.38) | | |
| 留守经历 | 否 | 1 296 | 499(38.50) | 26.45 | < 0.01 | | 4~ < 6 | 415 | 176(42.41) | | |
| 是 | 485 | 253(52.16) | | | | ≥6 | 356 | 182(51.12) | | |
| 父母关系 | 很融洽 | 578 | 167(28.89) | 114.94 | < 0.01 | 上网学习 | 否 | 564 | 271(48.05) | 11.14 | < 0.01 |
| 比较融洽 | 599 | 240(40.07) | | | | 是 | 1 217 | 481(39.52) | | |
| 一般 | 381 | 194(50.92) | | | 上网社交聊天 | 否 | 119 | 43(36.13) | 1.68 | 0.20 |
| 较紧张 | 162 | 112(69.14) | | | | 是 | 1 662 | 709(42.66) | | |
| 很紧张 | 61 | 39(63.93) | | | 上网看视频 | 否 | 174 | 64(36.78) | 2.10 | 0.15 |
| 教育方式 | 放任自由 | 137 | 74(54.01) | 56.72 | < 0.01 | | 是 | 1 607 | 688(42.81) | | |
| 比较民主 | 1 440 | 548(38.06) | | | 上网听音乐 | 否 | 345 | 133(38.55) | 2.18 | 0.14 |
| 比较强制 | 204 | 130(63.73) | | | | 是 | 1 436 | 619(43.11) | | |
| 是否重点班 | 否 | 1 483 | 623(82.85) | 0.12 | 0.73 | 上网浏览各种APP(知乎、小红书、贴吧、微博等) | 否 | 1 021 | 421(41.23) | 0.87 | 0.35 |
| 是 | 298 | 129(17.15) | | | | 是 | 760 | 331(43.55) | | |
| 是否担任班干部 | 否 | 1 336 | 540(40.42) | 6.84 | 0.01 | 上网看小说 | 否 | 1137 | 475(41.78) | 0.21 | 0.65 |
| 是 | 445 | 212(47.64) | | | | 是 | 644 | 277(43.01) | | |
| 成绩班级排名 | 前10% | 129 | 55(7.31) | 10.69 | 0.06 | 上网干其他事情 | 否 | 1 626 | 687(42.25) | 0.01 | 1.00 |
| 前20% | 228 | 95(12.63) | | | | 是 | 155 | 65(41.94) | | |
| 前30% | 218 | 94(12.50) | | | 拂晓(00:00—02:59)上网 | 否 | 825 | 289(35.03) | 32.05 | < 0.01 |
| 前40% | 168 | 58(7.71) | | | | 是 | 956 | 463(48.43) | | |
| 前50% | 434 | 169(22.47) | | | 黎明(03:00—05:59)上网 | 否 | 1 322 | 500(37.82) | 40.05 | < 0.01 |
| 50%以后 | 604 | 281(37.37) | | | | 是 | 459 | 252(54.90) | | |
| 抑郁症状 | 无 | 896 | 205(22.88) | 321.99 | < 0.01 | 清晨(06:00—08:59)上网 | 否 | 586 | 202(34.47) | 21.05 | < 0.01 |
| 可能有 | 243 | 106(43.62) | | | | 是 | 1 195 | 550(46.03) | | |
| 肯定有 | 642 | 441(68.69) | | | 上午(09:00—11:59)上网 | 否 | 484 | 192(39.67) | 1.64 | 0.20 |
| 首次使用网络方式 | 手机 | 1 262 | 513(40.65) | 2.45 | 0.08 | | 是 | 1 297 | 560(43.18) | | |
| 电脑 | 385 | 174(45.19) | | | 中午(12:00—14:59)上网 | 否 | 14 | 41(29.08) | 10.27 | < 0.01 |
| 平板 | 126 | 63(50.00) | | | | 是 | 1 640 | 711(43.35) | | |
| 其他 | 8 | 2(25.00) | | | 下午(15:00—17:59)上网 | 否 | 292 | 106(36.30) | 4.74 | 0.03 |
| 首次使用网络地点 | 家里 | 1 618 | 686(42.40) | | 0.55* | | 是 | 1 489 | 646(43.38) | | |
| 网吧 | 41 | 14(34.15) | | | 傍晚(18:00—20:59)上网 | 否 | 162 | 52(32.10) | 7.04 | 0.01 |
| 学校 | 30 | 14(46.67) | | | | 是 | 1 619 | 700(43.38) | | |
| 亲朋好友 | 86 | 34(39.53) | | | 深夜(21:00—23:59)上网 | 否 | 335 | 89(26.57) | 40.67 | < 0.01 |
| 其他 | 6 | 4(66.67) | | | | 是 | 1 446 | 663(45.85) | | |
| 上网打游戏 | 否 | 348 | 133(38.22) | 2.64 | 0.10 | 网络成瘾 | 否 | 1 311 | 470(35.85) | 81.72 | < 0.01 |
| 是 | 1 433 | 619(43.20) | | | | 是 | 470 | 282(60.00) | | |
), ArticleFig(id=1325530067279036804, tenantId=1146029695717560320, journalId=1256213402557890569, articleId=1325530057590194494, language=CN, label=表1, caption=
不同组别职高生自杀意念报告率比较
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| 组别 | 选项 | 人数 | 自杀意念报告人数 | χ2值 | P值 | | 组别 | 选项 | 人数 | 自杀意念报告人数 | χ2值 | P值 |
|---|
| 性别 | 男 | 995 | 359(36.08) | 34.31 | < 0.01 | | 每天平均上网时长/h | < 3 | 604 | 226(37.42) | 17.40 | < 0.01 |
| 女 | 786 | 393(50.00) | | | | 3~ < 4 | 406 | 168(41.38) | | |
| 留守经历 | 否 | 1 296 | 499(38.50) | 26.45 | < 0.01 | | 4~ < 6 | 415 | 176(42.41) | | |
| 是 | 485 | 253(52.16) | | | | ≥6 | 356 | 182(51.12) | | |
| 父母关系 | 很融洽 | 578 | 167(28.89) | 114.94 | < 0.01 | 上网学习 | 否 | 564 | 271(48.05) | 11.14 | < 0.01 |
| 比较融洽 | 599 | 240(40.07) | | | | 是 | 1 217 | 481(39.52) | | |
| 一般 | 381 | 194(50.92) | | | 上网社交聊天 | 否 | 119 | 43(36.13) | 1.68 | 0.20 |
| 较紧张 | 162 | 112(69.14) | | | | 是 | 1 662 | 709(42.66) | | |
| 很紧张 | 61 | 39(63.93) | | | 上网看视频 | 否 | 174 | 64(36.78) | 2.10 | 0.15 |
| 教育方式 | 放任自由 | 137 | 74(54.01) | 56.72 | < 0.01 | | 是 | 1 607 | 688(42.81) | | |
| 比较民主 | 1 440 | 548(38.06) | | | 上网听音乐 | 否 | 345 | 133(38.55) | 2.18 | 0.14 |
| 比较强制 | 204 | 130(63.73) | | | | 是 | 1 436 | 619(43.11) | | |
| 是否重点班 | 否 | 1 483 | 623(82.85) | 0.12 | 0.73 | 上网浏览各种APP(知乎、小红书、贴吧、微博等) | 否 | 1 021 | 421(41.23) | 0.87 | 0.35 |
| 是 | 298 | 129(17.15) | | | | 是 | 760 | 331(43.55) | | |
| 是否担任班干部 | 否 | 1 336 | 540(40.42) | 6.84 | 0.01 | 上网看小说 | 否 | 1137 | 475(41.78) | 0.21 | 0.65 |
| 是 | 445 | 212(47.64) | | | | 是 | 644 | 277(43.01) | | |
| 成绩班级排名 | 前10% | 129 | 55(7.31) | 10.69 | 0.06 | 上网干其他事情 | 否 | 1 626 | 687(42.25) | 0.01 | 1.00 |
| 前20% | 228 | 95(12.63) | | | | 是 | 155 | 65(41.94) | | |
| 前30% | 218 | 94(12.50) | | | 拂晓(00:00—02:59)上网 | 否 | 825 | 289(35.03) | 32.05 | < 0.01 |
| 前40% | 168 | 58(7.71) | | | | 是 | 956 | 463(48.43) | | |
| 前50% | 434 | 169(22.47) | | | 黎明(03:00—05:59)上网 | 否 | 1 322 | 500(37.82) | 40.05 | < 0.01 |
| 50%以后 | 604 | 281(37.37) | | | | 是 | 459 | 252(54.90) | | |
| 抑郁症状 | 无 | 896 | 205(22.88) | 321.99 | < 0.01 | 清晨(06:00—08:59)上网 | 否 | 586 | 202(34.47) | 21.05 | < 0.01 |
| 可能有 | 243 | 106(43.62) | | | | 是 | 1 195 | 550(46.03) | | |
| 肯定有 | 642 | 441(68.69) | | | 上午(09:00—11:59)上网 | 否 | 484 | 192(39.67) | 1.64 | 0.20 |
| 首次使用网络方式 | 手机 | 1 262 | 513(40.65) | 2.45 | 0.08 | | 是 | 1 297 | 560(43.18) | | |
| 电脑 | 385 | 174(45.19) | | | 中午(12:00—14:59)上网 | 否 | 14 | 41(29.08) | 10.27 | < 0.01 |
| 平板 | 126 | 63(50.00) | | | | 是 | 1 640 | 711(43.35) | | |
| 其他 | 8 | 2(25.00) | | | 下午(15:00—17:59)上网 | 否 | 292 | 106(36.30) | 4.74 | 0.03 |
| 首次使用网络地点 | 家里 | 1 618 | 686(42.40) | | 0.55* | | 是 | 1 489 | 646(43.38) | | |
| 网吧 | 41 | 14(34.15) | | | 傍晚(18:00—20:59)上网 | 否 | 162 | 52(32.10) | 7.04 | 0.01 |
| 学校 | 30 | 14(46.67) | | | | 是 | 1 619 | 700(43.38) | | |
| 亲朋好友 | 86 | 34(39.53) | | | 深夜(21:00—23:59)上网 | 否 | 335 | 89(26.57) | 40.67 | < 0.01 |
| 其他 | 6 | 4(66.67) | | | | 是 | 1 446 | 663(45.85) | | |
| 上网打游戏 | 否 | 348 | 133(38.22) | 2.64 | 0.10 | 网络成瘾 | 否 | 1 311 | 470(35.85) | 81.72 | < 0.01 |
| 是 | 1 433 | 619(43.20) | | | | 是 | 470 | 282(60.00) | | |
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