Article(id=1320438320384033556, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320438244077056901, articleNumber=null, orderNo=null, doi=10.11847/zgggws1148163, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1749398400000, receivedDateStr=2025-06-09, revisedDate=1757001600000, revisedDateStr=2025-09-05, acceptedDate=1764086400000, acceptedDateStr=2025-11-26, onlineDate=1792746628137, onlineDateStr=2026-10-23, pubDate=1781020800000, pubDateStr=2026-06-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792746628137, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792746628137, creator=13701087609, updateTime=1792746628137, updator=13701087609, issue=Issue{id=1320438244077056901, tenantId=1146029695717560320, journalId=1319373219989389464, year='2026', volume='42', issue='6', pageStart='641', pageEnd='768', issueExtLink='null', onlineDate='null', pubDate='1781020800000', pubDateStr='2026-06-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792746609943, creator='13701087609', updateTime=1792748036545, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320444227734065468, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320438244077056901, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320444227734065469, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320438244077056901, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=653, endPage=658, ext={EN=ArticleExt(id=1320438320786686741, articleId=1320438320384033556, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Family-related factors associated with overweight and obesity among students in four key counties of the nutrition improvement program for rural compulsory education, Henan province: a cross-sectional survey, 2023, columnId=1320438245473760135, journalTitle=Chinese Journal of Public Health, columnName=Special Report—Focus on Child and Adolescent Health, runingTitle=null, highlight=null, articleAbstract=
Objective

To analyze the impacts of family-related factors on overweight and obesity among students in the nutrition improvement program for rural compulsory education in Henan province.

Methods

From October to November 2023, stratified random cluster sampling was conducted to include 5 835 primary and secondary school students from four key counties of the nutrition improvement program for rural compulsory education in Henan province. The body heights and body weights of the students were measured, and questionnaires were administered to their parents. Chi-square tests and logistic regression were employed to analyze the determinants of overweight and obesity, and a random forest model was constructed.

Results

The detection rate of overweight and obesity among primary and secondary school students was 30.76%. Specifically, boys had a higher rate than girls (36.05% vs. 25.29%, χ2 = 79.321, P < 0.05); primary school students had a higher rate than secondary school students (34.06% vs. 25.08%, χ2 = 51.243, P< 0.05); and students in urban areas had a higher rate than those in rural areas (34.30% vs. 29.60%, χ2=11.303, P < 0.05). Multivariate logistic regression analysis revealed that females (OR = 0.625, 95%CI: 0.556–0.703), secondary school (OR = 0.703, 95%CI: 0.620–0.797), rural areas (OR = 0.849, 95%CI: 0.736–0.980), non-mother primary caregiver (OR = 0.838, 95%CI: 0.739–0.950), maternal educational background (secondary school: OR = 1.240, 95%CI: 1.040–1.479; college or above: OR = 1.490, 95%CI: 1.113–1.995), family after-tax income of last year ≥ ¥100 000 (OR = 1.515, 95%CI: 1.145–2.004), students′ picky or selective eating habits (rarely: OR = 0.826, 95%CI: 0.705–0.967; sometimes: OR = 0.444, 95%CI: 0.378–0.521; often/always: OR = 0.409, 95%CI: 0.322–0.520), parental misperception of students′ body form (OR = 2.283, 95%CI: 2.029–2.568), and parental intervention measures for students′ weight (OR = 1.198, 95%CI: 1.063–1.350) were associated with overweight and obesity (P<0.05). The AUC value of the random forest model was 0.743. Moreover, the Gini index identified the two most influential variables, which were parental intervention measures for students′ weight (187.452) and parental perception of students′ body form (174.191).

Conclusions

The prevalence of overweight and obesity is relatively high among students in the nutrition improvement program for rural compulsory education in Henan province. Therefore, implementing prevention and control measures based on the family is of great significance.

, authors=Jingjing LIU, Fengjuan LI, Fengming XU, Xu WANG, Yanxin WANG, Dacheng GUO, Shufang ZHANG, Liru WANG, authorsList=Jingjing LIU, Fengjuan LI, Fengming XU, Xu WANG, Yanxin WANG, Dacheng GUO, Shufang ZHANG, Liru WANG, authorCompany=null, correspAuthors=Liru WANG, authorNote=null, correspAuthorsNote=
WANG Liru, E-mail:
, copyrightStatement=Copyright © 2026 Chinese Journal of Public 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=1320438323613647645, articleId=1320438320384033556, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=河南省农村营养改善计划地区4个重点监测县学生超重和肥胖家庭因素分析:一项2023年横断面调查, columnId=1320438247243756426, journalTitle=中国公共卫生, columnName=专题报道——关注儿童青少年健康, runingTitle=null, highlight=null, articleAbstract=
目的

分析河南省农村义务教育学生营养改善计划地区家庭相关因素对学生超重和肥胖的影响。

方法

于2023年10—11月,在河南省农村义务教育学生营养改善计划地区的4个重点监测县,采用分层随机整群抽样方法,抽取5 835名中小学生进行身高和体重测量,并对家长进行问卷调查。运用χ2检验和logistic回归分析超重和肥胖影响因素,并建立随机森林模型。

结果

中小学生超重和肥胖检出率为30.76%,男生超重和肥胖检出率(36.05%)高于女生(25.29%)(χ2=79.321,P< 0.05),小学生(34.06%)高于初中生(25.08%)(χ2=51.243,P<0.05),县城学生(34.30%)高于村镇学生(29.60%)(χ2=11.303,P<0.05)。多因素logistic回归分析显示,女生(OR=0.625,95%CI=0.556~0.703)、初中(OR=0.703,95%CI=0.620~0.797)、村镇(OR=0.849,95%CI=0.736~0.980)、学生的主要照料人为其他(OR=0.838,95%CI=0.739~0.950)、母亲文化程度(中学:OR=1.240,95%CI=1.040~1.479;大专及以上:OR=1.490,95%CI=1.113~1.995)、上一年家庭税后纯收入总和≥10万元(OR=1.515,95%CI=1.145~2.004)、学生挑食或偏食(极少:OR=0.826,95%CI=0.705~0.967;有时:OR=0.444,95%CI=0.378~0.521;多数/总是:OR=0.409,95%CI=0.322~0.520)、家长对学生体型的认识错误(OR=2.283,95%CI=2.029~2.568)、家长采取措施干预学生体重(OR=1.198,95%CI=1.063~1.350)与超重和肥胖存在关联(P<0.05)。随机森林模型显示AUC为0.743,基尼指数显示贡献度前2的变量为家长采取措施干预学生体重(187.452)和家长对学生体型的认识(174.191)。

结论

河南省农村义务教育学生营养改善计划地区学生超重和肥胖率较高,以家庭为基础进行预防和控制具有重要意义。

, authors=刘晶晶, 李凤娟, 许凤鸣, 王旭, 王延鑫, 郭大城, 张书芳, 王丽茹*, *, authorsList=刘晶晶, 李凤娟, 许凤鸣, 王旭, 王延鑫, 郭大城, 张书芳, 王丽茹, authorCompany=null, correspAuthors=王丽茹, authorNote=

刘晶晶(1993—),主管医师,博士,研究方向:儿少卫生

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王丽茹,E-mail:
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刘晶晶(1993—),主管医师,博士,研究方向:儿少卫生

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Nutrients, 2025, 17(1): 195., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1320438323835945758, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, xref=null, ext=[AuthorCompanyExt(id=1320438323852722975, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, companyId=1320438323835945758, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Institute of Public Health, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China), AuthorCompanyExt(id=1320438323861111584, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, companyId=1320438323835945758, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=河南省疾病预防控制中心公共卫生研究所,郑州 450016)])], figs=[ArticleFig(id=1320438334170710872, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=EN, label=Fig.1, caption=Ranking of influencing factors of overweight and obesity, figureFileSmall=cP52TnrI5D9pPYRJPx0xNg==, figureFileBig=VS+9VbUGioqANRQrrGCzPA==, tableContent=null), ArticleFig(id=1320438334237819737, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=CN, label=图1, caption=重要性排序, figureFileSmall=cP52TnrI5D9pPYRJPx0xNg==, figureFileBig=VS+9VbUGioqANRQrrGCzPA==, tableContent=null), ArticleFig(id=1320438334661444442, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=EN, label=Fig.2, caption=ROC curve of random forest, figureFileSmall=jldywT41fBM+sS6y7eUYZQ==, figureFileBig=xlSU4xH4BdT24qfq/8PCmA==, tableContent=null), ArticleFig(id=1320438334992794459, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=CN, label=图2, caption=ROC曲线, figureFileSmall=jldywT41fBM+sS6y7eUYZQ==, figureFileBig=xlSU4xH4BdT24qfq/8PCmA==, tableContent=null), ArticleFig(id=1320438335064097628, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=EN, label=Tab.1, caption=

Overweight and obesity status among students in 2023

, figureFileSmall=null, figureFileBig=null, tableContent=
特征调查人数超重和肥胖人数检出率/%χ2值P值
性别79.321<0.001
 男生2 9681 07036.05
 女生2 86772525.29
学段51.243<0.001
 小学3 6941 25834.06
 初中2 14153725.08
地区11.3030.001
 县城1 44649634.30
 村镇4 3891 29929.60
合计5 8351 79530.76
), ArticleFig(id=1320438335408030557, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=CN, label=表1, caption=

2023年学生超重和肥胖检出情况

, figureFileSmall=null, figureFileBig=null, tableContent=
特征调查人数超重和肥胖人数检出率/%χ2值P值
性别79.321<0.001
 男生2 9681 07036.05
 女生2 86772525.29
学段51.243<0.001
 小学3 6941 25834.06
 初中2 14153725.08
地区11.3030.001
 县城1 44649634.30
 村镇4 3891 29929.60
合计5 8351 79530.76
), ArticleFig(id=1320438337077363550, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=EN, label=Tab.2, caption=

Univariate analysis of overweight and obesity among students in 2023

, figureFileSmall=null, figureFileBig=null, tableContent=
特征变量调查人数超重和肥胖人数检出率/% χ2值 P值
学生的主要照料人母亲3 8031 21431.926.8940.009
其他2 03258128.59
父亲文化程度小学及以下92624326.2415.603<0.001
中学4 4241 37731.13
大专及以上48517536.08
母亲文化程度小学及以下1 13029225.8424.675<0.001
中学4 2241 32131.27
大专及以上48118237.84
上一年家庭税后纯收入总和/万元<105 5951 69430.2815.060<0.001
≥1024010142.08
家长给学生买含糖饮料或零食频率<2次/周5 5621 69330.445.8570.016
≥2次/周27310237.36
学生放学后户外运动或玩耍时间<2 h/d4 1321 28531.100.7510.386
≥2 h/d1 70351029.95
学生挑食或偏食从来没有1 13044639.47111.685<0.001
极少1 91267035.04
有时2 26854524.03
多数/总是52513425.52
家长对学生体型的认识正确3 16071922.75207.610<0.001
错误2 6751 07640.22
家长采取措施干预学生体重未采取3 6891 06728.9215.923<0.001
采取2 14672833.92
), ArticleFig(id=1320438337144472416, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=CN, label=表2, caption=

2023年学生超重和肥胖单因素分析

, figureFileSmall=null, figureFileBig=null, tableContent=
特征变量调查人数超重和肥胖人数检出率/% χ2值 P值
学生的主要照料人母亲3 8031 21431.926.8940.009
其他2 03258128.59
父亲文化程度小学及以下92624326.2415.603<0.001
中学4 4241 37731.13
大专及以上48517536.08
母亲文化程度小学及以下1 13029225.8424.675<0.001
中学4 2241 32131.27
大专及以上48118237.84
上一年家庭税后纯收入总和/万元<105 5951 69430.2815.060<0.001
≥1024010142.08
家长给学生买含糖饮料或零食频率<2次/周5 5621 69330.445.8570.016
≥2次/周27310237.36
学生放学后户外运动或玩耍时间<2 h/d4 1321 28531.100.7510.386
≥2 h/d1 70351029.95
学生挑食或偏食从来没有1 13044639.47111.685<0.001
极少1 91267035.04
有时2 26854524.03
多数/总是52513425.52
家长对学生体型的认识正确3 16071922.75207.610<0.001
错误2 6751 07640.22
家长采取措施干预学生体重未采取3 6891 06728.9215.923<0.001
采取2 14672833.92
), ArticleFig(id=1320438337211581281, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=EN, label=Tab.3, caption=

Multivariate logistic regression analysis of factors influencing overweight and obesity among students

, figureFileSmall=null, figureFileBig=null, tableContent=
特征比较组参照组 β $ S_{\overline{x}} $Waldχ2值OR值95%CIP值
性别女生男生−0.4700.06061.6290.6250.556~0.703<0.001
学段初中小学−0.3530.06430.4220.7030.620~0.797<0.001
地区村镇县城−0.1640.0735.0190.8490.736~0.9800.025
学生的主要照料人其他母亲−0.1770.0647.5770.8380.739~0.9500.006
父亲文化程度中学小学及以下0.1010.0961.1021.1060.916~1.3350.294
大专及以上0.0960.1540.3901.1010.814~1.4890.532
母亲文化程度中学小学及以下0.2150.0905.7361.2401.040~1.4790.017
大专及以上0.3990.1497.1851.4901.113~1.9950.007
上一年家庭税后纯收入总和/万元≥10<100.4150.1438.4631.5151.145~2.0040.004
学生挑食或偏食极少从来没有−0.1910.0815.6300.8260.705~0.9670.018
有时−0.8120.08298.1520.4440.378~0.521<0.001
多数/总是−0.8940.12253.5780.4090.322~0.520<0.001
家长给学生买含糖饮料或零食频率≥2次/周<2次/周0.2210.1362.6531.2470.956~1.6270.103
家长对学生体型的认识错误正确0.8250.060188.4902.2832.029~2.568<0.001
家长采取措施干预学生体重采取未采取0.1800.0618.7231.1981.063~1.3500.003
), ArticleFig(id=1320438337500988258, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438320384033556, language=CN, label=表3, caption=

超重和肥胖学生影响因素多因素logistic回归分析

, figureFileSmall=null, figureFileBig=null, tableContent=
特征比较组参照组 β $ S_{\overline{x}} $Waldχ2值OR值95%CIP值
性别女生男生−0.4700.06061.6290.6250.556~0.703<0.001
学段初中小学−0.3530.06430.4220.7030.620~0.797<0.001
地区村镇县城−0.1640.0735.0190.8490.736~0.9800.025
学生的主要照料人其他母亲−0.1770.0647.5770.8380.739~0.9500.006
父亲文化程度中学小学及以下0.1010.0961.1021.1060.916~1.3350.294
大专及以上0.0960.1540.3901.1010.814~1.4890.532
母亲文化程度中学小学及以下0.2150.0905.7361.2401.040~1.4790.017
大专及以上0.3990.1497.1851.4901.113~1.9950.007
上一年家庭税后纯收入总和/万元≥10<100.4150.1438.4631.5151.145~2.0040.004
学生挑食或偏食极少从来没有−0.1910.0815.6300.8260.705~0.9670.018
有时−0.8120.08298.1520.4440.378~0.521<0.001
多数/总是−0.8940.12253.5780.4090.322~0.520<0.001
家长给学生买含糖饮料或零食频率≥2次/周<2次/周0.2210.1362.6531.2470.956~1.6270.103
家长对学生体型的认识错误正确0.8250.060188.4902.2832.029~2.568<0.001
家长采取措施干预学生体重采取未采取0.1800.0618.7231.1981.063~1.3500.003
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刘晶晶 , 李凤娟 , 许凤鸣 , 王旭 , 王延鑫 , 郭大城 , 张书芳 , 王丽茹 *, *
中国公共卫生 | 专题报道——关注儿童青少年健康 2026,42(6): 653-658
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中国公共卫生 |专题报道——关注儿童青少年健康 2026 , 42 (6) : 653 -658
河南省农村营养改善计划地区4个重点监测县学生超重和肥胖家庭因素分析:一项2023年横断面调查
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刘晶晶, 李凤娟, 许凤鸣, 王旭, 王延鑫, 郭大城, 张书芳, 王丽茹*, *
作者信息
  • 河南省疾病预防控制中心公共卫生研究所,郑州 450016
通讯作者:
王丽茹,E-mail:
作者简介:

刘晶晶(1993—),主管医师,博士,研究方向:儿少卫生

Family-related factors associated with overweight and obesity among students in four key counties of the nutrition improvement program for rural compulsory education, Henan province: a cross-sectional survey, 2023
Jingjing LIU, Fengjuan LI, Fengming XU, Xu WANG, Yanxin WANG, Dacheng GUO, Shufang ZHANG, Liru WANG
Affiliations
  • Institute of Public Health, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
  • Corresponding Author:
    WANG Liru, E-mail:
出版时间: 2026-06-10 doi: 10.11847/zgggws1148163
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目的

分析河南省农村义务教育学生营养改善计划地区家庭相关因素对学生超重和肥胖的影响。

方法

于2023年10—11月,在河南省农村义务教育学生营养改善计划地区的4个重点监测县,采用分层随机整群抽样方法,抽取5 835名中小学生进行身高和体重测量,并对家长进行问卷调查。运用χ2检验和logistic回归分析超重和肥胖影响因素,并建立随机森林模型。

结果

中小学生超重和肥胖检出率为30.76%,男生超重和肥胖检出率(36.05%)高于女生(25.29%)(χ2=79.321,P< 0.05),小学生(34.06%)高于初中生(25.08%)(χ2=51.243,P<0.05),县城学生(34.30%)高于村镇学生(29.60%)(χ2=11.303,P<0.05)。多因素logistic回归分析显示,女生(OR=0.625,95%CI=0.556~0.703)、初中(OR=0.703,95%CI=0.620~0.797)、村镇(OR=0.849,95%CI=0.736~0.980)、学生的主要照料人为其他(OR=0.838,95%CI=0.739~0.950)、母亲文化程度(中学:OR=1.240,95%CI=1.040~1.479;大专及以上:OR=1.490,95%CI=1.113~1.995)、上一年家庭税后纯收入总和≥10万元(OR=1.515,95%CI=1.145~2.004)、学生挑食或偏食(极少:OR=0.826,95%CI=0.705~0.967;有时:OR=0.444,95%CI=0.378~0.521;多数/总是:OR=0.409,95%CI=0.322~0.520)、家长对学生体型的认识错误(OR=2.283,95%CI=2.029~2.568)、家长采取措施干预学生体重(OR=1.198,95%CI=1.063~1.350)与超重和肥胖存在关联(P<0.05)。随机森林模型显示AUC为0.743,基尼指数显示贡献度前2的变量为家长采取措施干预学生体重(187.452)和家长对学生体型的认识(174.191)。

结论

河南省农村义务教育学生营养改善计划地区学生超重和肥胖率较高,以家庭为基础进行预防和控制具有重要意义。

农村  /  中小学生  /  超重和肥胖  /  家庭  /  随机森林模型  /  河南省
Objective

To analyze the impacts of family-related factors on overweight and obesity among students in the nutrition improvement program for rural compulsory education in Henan province.

Methods

From October to November 2023, stratified random cluster sampling was conducted to include 5 835 primary and secondary school students from four key counties of the nutrition improvement program for rural compulsory education in Henan province. The body heights and body weights of the students were measured, and questionnaires were administered to their parents. Chi-square tests and logistic regression were employed to analyze the determinants of overweight and obesity, and a random forest model was constructed.

Results

The detection rate of overweight and obesity among primary and secondary school students was 30.76%. Specifically, boys had a higher rate than girls (36.05% vs. 25.29%, χ2 = 79.321, P < 0.05); primary school students had a higher rate than secondary school students (34.06% vs. 25.08%, χ2 = 51.243, P< 0.05); and students in urban areas had a higher rate than those in rural areas (34.30% vs. 29.60%, χ2=11.303, P < 0.05). Multivariate logistic regression analysis revealed that females (OR = 0.625, 95%CI: 0.556–0.703), secondary school (OR = 0.703, 95%CI: 0.620–0.797), rural areas (OR = 0.849, 95%CI: 0.736–0.980), non-mother primary caregiver (OR = 0.838, 95%CI: 0.739–0.950), maternal educational background (secondary school: OR = 1.240, 95%CI: 1.040–1.479; college or above: OR = 1.490, 95%CI: 1.113–1.995), family after-tax income of last year ≥ ¥100 000 (OR = 1.515, 95%CI: 1.145–2.004), students′ picky or selective eating habits (rarely: OR = 0.826, 95%CI: 0.705–0.967; sometimes: OR = 0.444, 95%CI: 0.378–0.521; often/always: OR = 0.409, 95%CI: 0.322–0.520), parental misperception of students′ body form (OR = 2.283, 95%CI: 2.029–2.568), and parental intervention measures for students′ weight (OR = 1.198, 95%CI: 1.063–1.350) were associated with overweight and obesity (P<0.05). The AUC value of the random forest model was 0.743. Moreover, the Gini index identified the two most influential variables, which were parental intervention measures for students′ weight (187.452) and parental perception of students′ body form (174.191).

Conclusions

The prevalence of overweight and obesity is relatively high among students in the nutrition improvement program for rural compulsory education in Henan province. Therefore, implementing prevention and control measures based on the family is of great significance.

rural area  /  primary and secondary school students  /  overweight and obesity  /  family  /  random forest model  /  Henan province
刘晶晶, 李凤娟, 许凤鸣, 王旭, 王延鑫, 郭大城, 张书芳, 王丽茹. 河南省农村营养改善计划地区4个重点监测县学生超重和肥胖家庭因素分析:一项2023年横断面调查. 中国公共卫生, 2026 , 42 (6) : 653 -658 . DOI: 10.11847/zgggws1148163
Jingjing LIU, Fengjuan LI, Fengming XU, Xu WANG, Yanxin WANG, Dacheng GUO, Shufang ZHANG, Liru WANG. Family-related factors associated with overweight and obesity among students in four key counties of the nutrition improvement program for rural compulsory education, Henan province: a cross-sectional survey, 2023[J]. Chinese Journal of Public Health, 2026 , 42 (6) : 653 -658 . DOI: 10.11847/zgggws1148163
儿童青少年超重和肥胖增加成年期慢性病发生风险[1–2]。世界肥胖联合会预测,2035年全球5~19岁儿童青少年超重和肥胖人数将达7.7 亿(39%)[3]。随着经济水平提高、饮食和生活方式变化,我国农村地区儿童青少年超重和肥胖率正快速追赶城市[4]。自2011年启动农村义务教育学生营养改善计划以来,河南省贫困地区学生的营养不良问题得到了有效缓解,但超重和肥胖率却逐步上升[5]。家庭作为儿童成长的主要场所,父母教育水平、收入及对健康的认知等因素已被证实与学生超重和肥胖密切相关[6–8]。目前针对营养改善计划地区学生超重和肥胖的研究仍较为匮乏,尤其是对家庭因素的探讨。为此,本研究以2023年10—11月河南省实施农村义务教育学生营养改善计划的4个重点监测县5 835名中小学生为调查对象,分析超重和肥胖流行现状及影响因素,并应用随机森林算法量化家庭因素的重要性,从而为制定精准的家庭干预策略提供科学依据,以期有效防控学生超重和肥胖。
数据来源于河南省“农村义务教育学生营养改善计划健康状况监测评估系统”4个重点监测县(郸城县、洛宁县、内乡县和范县)资料。本研究采用横断面调查设计,于2023年10—11月,采用分层随机整群抽样方法,每个监测点选取8所学校(县城小学和初中各1所、农村小学和初中各3所),每所学校按年级分层,以班级为单位整群抽样,学生人数不低于40人,男女各半;若某个年级学生人数不足40 人,则该年级所有学生均纳入监测。共调查5 966人,剔除年龄<6岁以及身高、体重和问卷数据不全的学生,有效人数共5 835人,有效率97.80%。本研究调查前已获取学生本人及家长的知情同意,经中国疾病预防控制中心营养与健康所伦理委员会审查批准(批件号:2021–018)。
按照《学生健康检查技术规范》[9],由卫生专业技术人员测量学生晨起空腹状态下的身高和体重。身高精确到0.1 cm,体重精确到0.1 kg。计算体质量指数(body mass index, BMI)=体重(kg)/[身高(m)]2。
采用中国疾病预防控制中心编制的家长调查表进行调查。主要收集家长基本信息、家庭饮食、行为等情况。其中,包括父母文化程度、上一年家庭税后纯收入总和、家长给学生买含糖饮料或零食频率、学生放学后户外运动或玩耍时间、学生挑食或偏食(分类为从来没有、极少、有时、多数或总是)、家长对学生体型的认识、家长采取措施干预学生体重。在学生挑食或偏食这一问题中,本研究遵循家长调查表中的专家定义:挑食是指对某些食物挑剔,讨厌或拒绝进食某一种或某几种食物。偏食指对食物的明显偏好,总选择和摄取某些食物,而不接受某一或某些食物。家长依据上述定义自行评估学生挑食或偏食的频率[10]。在家长对学生体型的认识这一问题中,本研究将家长对儿童体型的认识与儿童实际状况进行对比,二者一致则归类为正确,不一致则归类为错误[11]。在家长采取措施干预学生体重这一问题中,家长针对学生体重实施的任何干预行为(包括减轻、保持或增加)被归类为采取措施,反之,未实施任何干预行为则被归类为未采取措施。本次研究在所有年级进行家长问卷调查,由经过培训的调查员以班级为单位集中发放,家长在班级课堂匿名填写后由调查员现场回收。
超重、肥胖根据《学龄儿童青少年超重与肥胖筛查》(WS/T 586—2018)判断[12]。与同年龄、同性别者相比,BMI大于或等于超重界值点但小于肥胖界值点判断为超重;BMI大于或等于肥胖界值点判断为肥胖。本研究中,将超重、肥胖人群归类为超重和肥胖组。
参加调查的工作人员均经省、市、县培训,统一掌握标准、仪器和方法,考核合格后方可上岗。所用仪器设备均符合国家计量认证要求,并在现场调查开始前完成校准。家长问卷由调查员逐项核查,核对漏填和错填内容。
采用SPSS 19.0软件进行分析。率的比较采用χ2检验,相关性分析采用logistic回归分析。检验水准α=0.05。通过R 4.5.0软件构建随机森林模型。首先利用createDataPartition函数将数据集随机划分为80%训练集和20%测试集。针对数据不平衡,在训练阶段采用随机过采样示例(random over-sampling examples, ROSE)包进行过采样处理。随后使用“randomForest”包建模,调整变量个数(mtry)和树的数量(ntree),选择使袋外错误率最小的mtry和ntree组合确定最终模型[13]。最后基于测试集计算AUC、准确性、召回率、精确性和F1-score评估模型性能。
2023年共调查5 835人。其中男生2 968人,占比50.87%,女生2 867人,占比49.13%;小学3 694人,占比63.31%,初中2 141人,占比36.69%;县城1 446人,占比24.78%,村镇4 389人,占比75.22%。超重和肥胖人数1 795人,检出率30.76%。其中,男生超重和肥胖检出率(36.05%)高于女生(25.29%),小学生(34.06%)高于初中生(25.08%),县城学生(34.30%)高于村镇学生(29.60%),以上差异均有统计学意义(均P<0.05)。
结果显示,学生的主要照料人、父亲文化程度、母亲文化程度、上一年家庭税后纯收入总和、家长给学生买含糖饮料或零食频率、学生挑食或偏食、家长对学生体型的认识、家长采取措施干预学生体重方面超重和肥胖率差异有统计学意义(P<0.05)。而在学生放学后户外运动或玩耍时间方面与超重和肥胖率差异无统计学意义。
将学生性别、学段和地区及单因素分析中差异有统计学意义的变量设为自变量,以超重和肥胖(0=否,1=超重和肥胖)为因变量进行二分类logistic回归分析。结果显示,女生、初中、村镇、学生的主要照料人为其他、学生挑食或偏食(极少、有时、多数/总是)降低超重和肥胖风险;而母亲文化程度(中学、大专及以上)、上一年家庭税后纯收入总和≥10万元、家长对学生体型的认识错误、家长采取措施干预学生体重增加超重和肥胖风险。父亲文化程度、家长给学生买含糖饮料或零食频率纳入模型后无统计学意义(P>0.05)。
采用“randomForest”包建模,将多因素logistic回归分析中具有统计学意义的9个变量纳入随机森林模型。基尼指数显示超重和肥胖影响因素重要性排序前2位的变量分别为家长采取措施干预学生体重(187.452)和家长对学生体型的认识(174.191)。见图1。随机森林模型AUC值为0.743,准确性为0.696,召回率为0.703,精确性为0.832,F1-score为0.762。见图2。
2023年,河南省农村义务教育学生营养改善计划重点监测地区学生超重和肥胖检出率为30.76%,较2021年河南省相同地区(27.38%)[11]进一步增长,高于新疆生产建设兵团(24.4%)[10]和湖南省(26.2%)[14],远高于中西部地区(11.5%)[15],低于吉林省(38%)[16]。儿童超重和肥胖问题受经济发展、膳食模式、家庭环境及生活方式等多重因素影响[17]。河南省农村义务教育学生营养改善计划地区学生超重和肥胖问题日益严峻,应采取有效措施积极干预。
本研究结果显示,男生超重和肥胖率高于女生,与浙江省结果相似。可能与男生摄入较多含糖饮料以及女生更注重形象管理有关[18–19]。小学生超重和肥胖率高于初中生,可能因为小学生健康知识少,易受高能量密度食物的吸引[20]。近年来,乡村儿童青少年超重和肥胖率高于城镇[21]。乡村儿童青少年超重和肥胖增长明显,预测未来出现“城乡逆转”[4,21]。乡村儿童青少年的超重和肥胖问题亟需被关注。
多因素logistic回归分析结果显示,母亲文化程度(中学、大专及以上)和上一年家庭税后纯收入总和(≥10万元)增加超重和肥胖风险,相关研究结果相似[6, 22]。中国儿童肥胖报告显示,父母文化程度高的儿童肥胖率较高[23]。在发展中国家,文化程度和经济水平较高的家庭往往先获得高能量密度食物、倾向较少的身体活动[23–24]。大量研究表明,摄入较多含糖饮料或者高油、高盐、高糖零食的儿童青少年更易超重和肥胖[19, 25–26]。然而,部分研究未发现零食与超重和肥胖之间存在关联,这可能与零食的种类和消费量密切相关[27]。本研究结果显示,家长给学生买含糖饮料或零食频率纳入logistic回归模型差异无统计学意义,这可能与农村义务教育学生营养改善计划地区的经济水平相对较低,家庭含糖饮料和零食消费频率偏低有关[10]。此外,本研究发现学生挑食或偏食会降低超重和肥胖风险,这与沈阳市等地相关研究结果一致[10, 28]。可能原因是河南省膳食模式以肉制品、动物内脏及富含饱和脂肪酸为主,且主食为小麦及其制品,不挑食偏食儿童容易能量摄入过剩,而挑食偏食儿童因主动回避食物,实际摄入能量反而较低[29–30]。
为精准识别超重和肥胖的关键干预靶点,本研究采用随机森林算法构建模型。与传统logistic回归相比,该模型不仅能有效捕捉变量间的复杂交互作用,还可以通过基尼指数量化各影响因素的相对贡献度[13, 31]。结果显示,家长采取措施干预学生体重对超重和肥胖风险预测的贡献最为突出,家长对学生体型的认识是次重要的影响因素。以家庭为核心的干预可以降低儿童超重和肥胖风险[32]。本研究多因素logistic回归分析发现,家长采取措施干预学生体重反而增加超重和肥胖风险。国内有类似研究[33]。原因可能是学生出现超重和肥胖问题后家长才开始有意采取措施干预体重,从而导致干预与超重和肥胖并存。家长对学生体型的认识错误会增加超重和肥胖风险,与既往研究结果一致[34–35]。家长对儿童体型的错误认知容易导致不良的家庭饮食行为,如不限制儿童的饮食,鼓励多吃[36–37]。提示家长在学生的健康管理和体重控制中起着关键作用,应通过健康教育提升其体型识别与干预能力,从而精准预防和控制儿童超重和肥胖。
综上,河南省农村义务教育学生营养改善计划地区学生超重和肥胖率较高,应积极采取以家庭为基础的措施进行行为生活方式干预。然而,本研究仅为横断面研究,无法确定变量间的因果关系,未来仍需要扩大样本的前瞻性研究进行验证。

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doi: 10.11847/zgggws1148163
  • 接收时间:2025-06-09
  • 首发时间:2026-10-23
  • 出版时间:2026-06-10
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  • 收稿日期:2025-06-09
  • 修回日期:2025-09-05
  • 录用日期:2025-11-26
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    河南省疾病预防控制中心公共卫生研究所,郑州 450016

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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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