Article(id=1321170034819445699, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1321169992024961657, articleNumber=null, orderNo=null, doi=10.11847/zgggws1145275, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1719244800000, receivedDateStr=2024-06-25, revisedDate=1733155200000, revisedDateStr=2024-12-03, acceptedDate=1739203200000, acceptedDateStr=2025-02-11, onlineDate=1792921082453, onlineDateStr=2026-10-25, pubDate=1744214400000, pubDateStr=2025-04-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792921082453, onlineIssueDateStr=2026-10-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792921082453, creator=13701087609, updateTime=1792921082453, updator=13701087609, issue=Issue{id=1321169992024961657, tenantId=1146029695717560320, journalId=1319373219989389464, year='2025', volume='41', issue='4', pageStart='385', pageEnd='512', issueExtLink='null', onlineDate='null', pubDate='1744214400000', pubDateStr='2025-04-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792921072250, creator='13701087609', updateTime=1792921072250, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=411, endPage=416, ext={EN=ArticleExt(id=1321170035045938116, articleId=1321170034819445699, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Food intake and influencing factors among primary and secondary school students in rural areas covered by the nutrition improvement program, columnId=1320427696342020970, journalTitle=Chinese Journal of Public Health, columnName=Epidemiological Research, runingTitle=null, highlight=null, articleAbstract=
Objective

To analyze the food intake of primary and middle school students in areas implementing the Rural Compulsory Education Student Nutrition Improvement Program in 2021 and its influencing factors.

Methods

Following the principle of random sampling, in 2021, in 727 national pilot counties in 31 provinces (autonomous regions, municipalities) and the Xinjiang Production & Construction Corps, approximately 10% of primary and middle schools were selected in urban and rural areas, respectively. From the third grade of primary school to the third grade of junior high school, one class was selected from each grade, with approximately 40 students per class, equally divided between male and female. Questionnaires were used to collect data on the frequency of food intake among primary and middle school students.

Results

37.019% of primary and middle school students consumed meat once or more per day; 24.578% consumed one or more eggs per day; only 4.333% consumed 300 mL/d or more of milk; 30.212% consumed fruit once or more per day; 33.352% consumed three or more kinds of vegetables per day; and 10.170% consumed beans once or more per day. Geographic distribution, gender, school level, and left-behind child status were influencing factors for meat, egg, milk, fruit, vegetable, and bean intake among primary and middle school students; boarding status was an influencing factor for meat, milk, fruit, vegetable, and bean intake.

Conclusions

The proportion of primary and middle school students in areas implementing the Chinese Student Nutrition Improvement Program who met the recommended dietary guidelines for various food groups showed an upward trend, but insufficient intake may still exist. In the future, targeted dietary guidance and nutrition education should be carried out during the further implementation of the Student Nutrition Improvement Program to improve the effectiveness of the program and promote the healthy growth of primary and middle school students in China.

, authors=Wenshuo YOU1, Peipei XU1, Wei CAO1, 3, Mulei CHEN2, Qian GAN1, Hongliang WANG1, Ruihe LUO1, Titi YANG1, Hui PAN1, Jianfen ZHANG1, Xiaoning WANG1, Qian ZHANG1, 3, Juan XU1, authorsList=Wenshuo YOU, Peipei XU, Wei CAO, Mulei CHEN, Qian GAN, Hongliang WANG, Ruihe LUO, Titi YANG, Hui PAN, Jianfen ZHANG, Xiaoning WANG, Qian ZHANG, Juan XU, authorCompany=null, correspAuthors=Juan XU, authorNote=null, correspAuthorsNote=
XU Juan, E-mail:
, copyrightStatement=Copyright © 2025 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=1321170035469562821, articleId=1321170034819445699, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=农村学生营养改善计划地区中小学生食物摄入及影响因素分析, columnId=1320427696509793132, journalTitle=中国公共卫生, columnName=流行病学研究, runingTitle=null, highlight=null, articleAbstract=
目的

分析2021年农村义务教育学生营养改善计划实施地区中小学生食物摄入情况及其影响因素。

方法

按照随机抽样原则,于2021年在31个省(自治区、直辖市)和新疆生产建设兵团的727个国家试点县,按县城和农村分别抽取10%左右的小学和初中学校,从小学三年级至初中三年级中,每个年级抽取1个班、每班约40人,男女生各半。采用问卷调查的方法,收集中小学生食物摄入频率。

结果

37.019%的中小学生肉类摄入≥1次/天;24.578%的中小学生蛋摄入≥1个/天;仅4.333%的中小学生奶类摄入≥300 mL/d;30.212%的中小学生水果摄入≥1次/天;33.352%的中小学生蔬菜摄入≥3种/天;10.170%的中小学生豆类摄入≥1次/天。不同地区、性别、学段和是否为留守是中小学生肉、蛋、奶、水果、蔬菜和豆类摄入的影响因素;是否住校为中小学生肉、奶、水果蔬菜和豆类摄入的影响因素。

结论

中国学生营养改善计划实施地区中小学生各类食物仍存在摄入量不足。今后在推进学生营养改善计划实施中应开展有针对性的膳食指导和营养宣传教育,提高计划实施效果,促进中国中小学生健康成长。

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由文烁(2000—),在读硕士,研究方向:学生营养

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许娟,E-mail:
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Comparison of meat, egg, and milk intake among primary and middle school students in different regions and with different characteristics (number, percentage)

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特征肉类摄入蛋摄入奶类摄入
<1次/天≥1次/天<1次/天≥1次/天<300 mL/d≥300 mL/d
地区分布
 东部12 653(58.565)8 952(41.435)16 517(76.450)5 088(23.550)20 330(94.099)1 275(5.901)
 西部48 687(60.752)31 454(39.248)61 883(77.218)18 258(22.782)77 170(96.293)2 971(3.707)
 中部29 835(69.351)13 185(30.764)30 785(71.560)12 235(28.440)40 993(95.288)2 027(4.712)
  χ2值1 100.349497.894218.799
  P值<0.01 <0.01 <0.01
性别
 男生45 366(62.012)27 791(37.988)54 664(74.721)18 493(25.279)69 458(94.944)3 699(5.056)
 女生45 809(63.971)25 800(36.029)54 521(76.137)17 088(23.863)69 035(96.405)2 574(3.595)
  χ2值59.57639.119186.518
  P值<0.01 <0.01 <0.01
学段
 小学53 839(62.211)32 703(37.789)63 221(73.052)23 321(26.948)82 620(95.468)3 922(4.532)
 初中37 336(64.125)20 888(35.875)45 964(78.943)12 260(21.057)55 873(95.962)2 351(4.038)
  χ2值54.653651.61720.494
  P值<0.01 <0.01<0.01
是否住校
 是31 671(62.310)19 157(37.690)38 239(75.232)12 589(24.786)49 335(97.063)1 493(2.937)
 否59 504(63.344)34 434(36.656)70 946(75.524)22 992(24.476)89 158(94.912)4 780(5.088)
  χ2值15.1171.518368.155
  P值<0.01 0.22 <0.01
学生留守情况
 非留守79 029(63.262)45 895(36.738)93 720(75.022)31 204(24.978)119 358(95.544)5 566(4.456)
 留守12 146(61.214)7 696(38.786)15 465(77.941)4 377(22.059)19 135(96.437)707(3.563)
  χ2值30.80578.70832.891
  P值<0.01 <0.01 <0.01
合计91 175(62.981)53 591(37.019)109 185(75.422)35 581(24.578)138 493(95.667)6 273(4.333)
), ArticleFig(id=1321170041479999514, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=CN, label=表1, caption=

不同地区和特征中小学生肉类、蛋和奶类食物摄入情况比较(人数,构成比/%)

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特征肉类摄入蛋摄入奶类摄入
<1次/天≥1次/天<1次/天≥1次/天<300 mL/d≥300 mL/d
地区分布
 东部12 653(58.565)8 952(41.435)16 517(76.450)5 088(23.550)20 330(94.099)1 275(5.901)
 西部48 687(60.752)31 454(39.248)61 883(77.218)18 258(22.782)77 170(96.293)2 971(3.707)
 中部29 835(69.351)13 185(30.764)30 785(71.560)12 235(28.440)40 993(95.288)2 027(4.712)
  χ2值1 100.349497.894218.799
  P值<0.01 <0.01 <0.01
性别
 男生45 366(62.012)27 791(37.988)54 664(74.721)18 493(25.279)69 458(94.944)3 699(5.056)
 女生45 809(63.971)25 800(36.029)54 521(76.137)17 088(23.863)69 035(96.405)2 574(3.595)
  χ2值59.57639.119186.518
  P值<0.01 <0.01 <0.01
学段
 小学53 839(62.211)32 703(37.789)63 221(73.052)23 321(26.948)82 620(95.468)3 922(4.532)
 初中37 336(64.125)20 888(35.875)45 964(78.943)12 260(21.057)55 873(95.962)2 351(4.038)
  χ2值54.653651.61720.494
  P值<0.01 <0.01<0.01
是否住校
 是31 671(62.310)19 157(37.690)38 239(75.232)12 589(24.786)49 335(97.063)1 493(2.937)
 否59 504(63.344)34 434(36.656)70 946(75.524)22 992(24.476)89 158(94.912)4 780(5.088)
  χ2值15.1171.518368.155
  P值<0.01 0.22 <0.01
学生留守情况
 非留守79 029(63.262)45 895(36.738)93 720(75.022)31 204(24.978)119 358(95.544)5 566(4.456)
 留守12 146(61.214)7 696(38.786)15 465(77.941)4 377(22.059)19 135(96.437)707(3.563)
  χ2值30.80578.70832.891
  P值<0.01 <0.01 <0.01
合计91 175(62.981)53 591(37.019)109 185(75.422)35 581(24.578)138 493(95.667)6 273(4.333)
), ArticleFig(id=1321170041555496987, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=EN, label=Tab.2, caption=

Comparison of fruit, vegetable, and legume intake among primary and middle school students with different regional and characteristic distributions (number, percentage)

, figureFileSmall=null, figureFileBig=null, tableContent=
特征水果摄入蔬菜摄入豆类摄入
<1次/天≥1次/天<3种/天≥3种/天<1次/天≥1次/天
地区分布
 东部14 504(67.133)7 101(32.867)16 336(75.612)5 269(24.388)19 756(91.442)1 849(8.558)
 西部56 086(69.984)24 055(30.016)49 552(61.831)30 589(38.169)72 350(90.278)7 791(9.722)
 中部30 439(70.755)12 581(29.245)30 595(71.118)12 425(28.882)37 938(88.187)5 082(11.813)
  χ2值92.8122 004.278206.216
  P值<0.01 <0.01<0.01
性别
 男生51 504(70.402)21 653(29.598)49 208(67.264)23 949(32.736)65 381(89.371)7 776(10.629)
 女生49 525(69.160)22 084(30.840)47 275(66.018)24 334(33.982)64 663(90.300)6 946(9.700)
  χ2值26.46325.24734.209
  P值<0.01 <0.01 <0.01
学段
 小学56 885(65.731)29 657(34.269)57 068(65.943)29 474(34.057)76 998(88.972)9 544(11.028)
 初中44 144(75.818)14 080(24.182)39 415(67.695)18 809(32.305)53 046(91.107)5 178(8.893)
  χ2值1 679.48648.113173.663
  P值<0.01<0.01 <0.01
是否住校  
 是39 691(78.089)11 137(21.911)30 846(60.687)19 982(39.313)45 460(89.439)5368(10.561)
 否61 338(65.296)32 600(34.704)65 637(69.873)28 301(30.127)84 584(90.042)9 354(9.958)
  χ2值2 559.9581 251.94913.148
  P值<0.01<0.01<0.01
学生留守情况
 非留守85 966(68.815)38 958(31.185)82 927(66.382)41 997(33.618)112 135(89.763)12 789(10.237)
 留守15 063(75.915)4 779(24.085)13 556(68.320)6 286(31.680)17 909(90.258)1 933(9.742)
  χ2值409.38328.9244.601
  P值<0.01 0.030.03
合计101 029(69.788)43 737(30.212)96 483(66.648)48 283(33.352)130 044(89.830)14 722(10.170)
), ArticleFig(id=1321170041752629276, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=CN, label=表2, caption=

不同地区和特征中小学生水果、蔬菜和豆类食物摄入情况比较(人数,构成比/%)

, figureFileSmall=null, figureFileBig=null, tableContent=
特征水果摄入蔬菜摄入豆类摄入
<1次/天≥1次/天<3种/天≥3种/天<1次/天≥1次/天
地区分布
 东部14 504(67.133)7 101(32.867)16 336(75.612)5 269(24.388)19 756(91.442)1 849(8.558)
 西部56 086(69.984)24 055(30.016)49 552(61.831)30 589(38.169)72 350(90.278)7 791(9.722)
 中部30 439(70.755)12 581(29.245)30 595(71.118)12 425(28.882)37 938(88.187)5 082(11.813)
  χ2值92.8122 004.278206.216
  P值<0.01 <0.01<0.01
性别
 男生51 504(70.402)21 653(29.598)49 208(67.264)23 949(32.736)65 381(89.371)7 776(10.629)
 女生49 525(69.160)22 084(30.840)47 275(66.018)24 334(33.982)64 663(90.300)6 946(9.700)
  χ2值26.46325.24734.209
  P值<0.01 <0.01 <0.01
学段
 小学56 885(65.731)29 657(34.269)57 068(65.943)29 474(34.057)76 998(88.972)9 544(11.028)
 初中44 144(75.818)14 080(24.182)39 415(67.695)18 809(32.305)53 046(91.107)5 178(8.893)
  χ2值1 679.48648.113173.663
  P值<0.01<0.01 <0.01
是否住校  
 是39 691(78.089)11 137(21.911)30 846(60.687)19 982(39.313)45 460(89.439)5368(10.561)
 否61 338(65.296)32 600(34.704)65 637(69.873)28 301(30.127)84 584(90.042)9 354(9.958)
  χ2值2 559.9581 251.94913.148
  P值<0.01<0.01<0.01
学生留守情况
 非留守85 966(68.815)38 958(31.185)82 927(66.382)41 997(33.618)112 135(89.763)12 789(10.237)
 留守15 063(75.915)4 779(24.085)13 556(68.320)6 286(31.680)17 909(90.258)1 933(9.742)
  χ2值409.38328.9244.601
  P值<0.01 0.030.03
合计101 029(69.788)43 737(30.212)96 483(66.648)48 283(33.352)130 044(89.830)14 722(10.170)
), ArticleFig(id=1321170041849098269, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=EN, label=Tab.3, caption=

Variable assignment in logistic regression analysis

, figureFileSmall=null, figureFileBig=null, tableContent=
变量分类变量赋值
因变量肉类1次/天以下=1;1次/天及以上=2
蛋1个/天以下=1;1个/天及以上=2
奶类300 mL/d以下=1;300 mL/d及以上=2
水果1次/天以下=1;1次/天及以上=2
蔬菜3种/天以下=1;3种/天及以上=2
豆类1次/天以下=1;1次/天及以上=2
自变量地区东部=1;西部=2;中部=3
性别男生=1;女生=2
学段小学=1;初中=2
是否住校是=1;否=2
是否留守非留守=1;留守=2
), ArticleFig(id=1321170041916207134, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=CN, label=表3, caption=

logistic回归分析变量赋值情况

, figureFileSmall=null, figureFileBig=null, tableContent=
变量分类变量赋值
因变量肉类1次/天以下=1;1次/天及以上=2
蛋1个/天以下=1;1个/天及以上=2
奶类300 mL/d以下=1;300 mL/d及以上=2
水果1次/天以下=1;1次/天及以上=2
蔬菜3种/天以下=1;3种/天及以上=2
豆类1次/天以下=1;1次/天及以上=2
自变量地区东部=1;西部=2;中部=3
性别男生=1;女生=2
学段小学=1;初中=2
是否住校是=1;否=2
是否留守非留守=1;留守=2
), ArticleFig(id=1321170041983315999, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=EN, label=Tab.4, caption=

Logistic regression analysis of food intake status of primary and middle school students [OR value (95%CI)]

, figureFileSmall=null, figureFileBig=null, tableContent=
变量比较组参照组肉类蛋奶类水果蔬菜豆类
Model 1
地区分布西部东部0.91(0.89~0.94)0.96(0.92~0.99)0.61(0.57~0.66)0.88(0.85~0.91)1.91(1.85~1.98)1.15(1.09~1.21)
中部东部0.63(0.60~0.65)1.29(1.24~1.34)0.79(0.73~0.85)0.84(0.82~0.87)1.26(1.21~1.31)1.43(1.35~1.51)
性别女生男生0.92(0.90~0.94)0.93(0.91~0.95)0.70(0.67~0.74)1.06(1.04~1.09)1.06(1.04~1.08)0.90(0.87~0.94)
学段初中小学0.92(0.90~0.94)0.72(0.70~0.74)0.89(0.84~0.93)0.61(0.60~0.63)0.92(0.90~0.95)0.79(0.76~0.82)
是否住校否是0.96(0.94~0.98)0.98(0.96~1.01)1.77(1.67~1.88)1.89(1.85~1.94)0.67(0.65~0.68)0.94(0.90~0.97)
是否留守留守非留守1.09(1.06~1.13)0.85(0.82~0.88)0.792(0.73~0.86)0.70(0.68~0.73)0.92(0.89~0.95)0.95(0.90~0.98)
Model 2
地区分布西部东部0.89(0.87~0.92)0.92(0.89~0.96)0.67(0.62~0.72)0.95(0.92~0.98)1.77(1.71~1.83)1.11(1.05~1.17)
中部东部0.61(0.59~0.63)1.27(1.22~1.32)0.85(0.79~0.91)0.90(0.87~0.94)1.19(1.14~1.23)1.40(1.32~1.48)
性别女生男生0.92(0.90~0.94)0.93(0.90~0.95)0.70(0.67~0.74)1.07(1.04~1.09)1.06(1.03~1.08)0.90(0.87~0.93)
学段初中小学0.89(0.87~0.91)0.68(0.66~0.70)1.06(1.00~1.12)0.73(0.71~0.75)0.78(0.76~0.80)0.74(0.71~0.77)
是否住校否是0.91(0.89~0.93)1.73(1.66~1.84)1.66(1.62~1.71)0.63(0.62~0.65)0.84(0.81~0.87)
是否留守留守非留守1.11(1.07~1.14)0.83(0.80~0.86)0.81(0.75~0.88)0.72(0.70~0.75)0.90(0.87~0.93)0.92(0.88~0.97)
), ArticleFig(id=1321170042067202080, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321170034819445699, language=CN, label=表4, caption=

中小学生食物摄入状况的logistic回归分析[OR值(95%CI)]

, figureFileSmall=null, figureFileBig=null, tableContent=
变量比较组参照组肉类蛋奶类水果蔬菜豆类
Model 1
地区分布西部东部0.91(0.89~0.94)0.96(0.92~0.99)0.61(0.57~0.66)0.88(0.85~0.91)1.91(1.85~1.98)1.15(1.09~1.21)
中部东部0.63(0.60~0.65)1.29(1.24~1.34)0.79(0.73~0.85)0.84(0.82~0.87)1.26(1.21~1.31)1.43(1.35~1.51)
性别女生男生0.92(0.90~0.94)0.93(0.91~0.95)0.70(0.67~0.74)1.06(1.04~1.09)1.06(1.04~1.08)0.90(0.87~0.94)
学段初中小学0.92(0.90~0.94)0.72(0.70~0.74)0.89(0.84~0.93)0.61(0.60~0.63)0.92(0.90~0.95)0.79(0.76~0.82)
是否住校否是0.96(0.94~0.98)0.98(0.96~1.01)1.77(1.67~1.88)1.89(1.85~1.94)0.67(0.65~0.68)0.94(0.90~0.97)
是否留守留守非留守1.09(1.06~1.13)0.85(0.82~0.88)0.792(0.73~0.86)0.70(0.68~0.73)0.92(0.89~0.95)0.95(0.90~0.98)
Model 2
地区分布西部东部0.89(0.87~0.92)0.92(0.89~0.96)0.67(0.62~0.72)0.95(0.92~0.98)1.77(1.71~1.83)1.11(1.05~1.17)
中部东部0.61(0.59~0.63)1.27(1.22~1.32)0.85(0.79~0.91)0.90(0.87~0.94)1.19(1.14~1.23)1.40(1.32~1.48)
性别女生男生0.92(0.90~0.94)0.93(0.90~0.95)0.70(0.67~0.74)1.07(1.04~1.09)1.06(1.03~1.08)0.90(0.87~0.93)
学段初中小学0.89(0.87~0.91)0.68(0.66~0.70)1.06(1.00~1.12)0.73(0.71~0.75)0.78(0.76~0.80)0.74(0.71~0.77)
是否住校否是0.91(0.89~0.93)1.73(1.66~1.84)1.66(1.62~1.71)0.63(0.62~0.65)0.84(0.81~0.87)
是否留守留守非留守1.11(1.07~1.14)0.83(0.80~0.86)0.81(0.75~0.88)0.72(0.70~0.75)0.90(0.87~0.93)0.92(0.88~0.97)
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农村学生营养改善计划地区中小学生食物摄入及影响因素分析
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由文烁 1 , 徐培培 1 , 曹薇 1, 3 , 陈慕磊 2 , 甘倩 1 , 王宏亮 1 , 罗瑞鹤 1 , 杨媞媞 1 , 潘慧 1 , 张建芬 1 , 王晓宁 1 , 张倩 1, 3 , 许娟 1, *, *
中国公共卫生 | 流行病学研究 2025,41(4): 411-416
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中国公共卫生 |流行病学研究 2025 , 41 (4) : 411 -416
农村学生营养改善计划地区中小学生食物摄入及影响因素分析
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由文烁1, 徐培培1, 曹薇1, 3, 陈慕磊2, 甘倩1, 王宏亮1, 罗瑞鹤1, 杨媞媞1, 潘慧1, 张建芬1, 王晓宁1, 张倩1, 3, 许娟1, *, *
作者信息
  • 1中国疾病预防控制中心营养与健康所,北京 100050
  • 2中国疾病预防控制中心教育培训处,北京 102206
  • 3国家卫生健康委公共营养与健康重点实验室,北京 100050
通讯作者:
许娟,E-mail:
作者简介:

由文烁(2000—),在读硕士,研究方向:学生营养

Food intake and influencing factors among primary and secondary school students in rural areas covered by the nutrition improvement program
Wenshuo YOU1, Peipei XU1, Wei CAO1, 3, Mulei CHEN2, Qian GAN1, Hongliang WANG1, Ruihe LUO1, Titi YANG1, Hui PAN1, Jianfen ZHANG1, Xiaoning WANG1, Qian ZHANG1, 3, Juan XU1
Affiliations
  • 1National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
  • 2Education and Training Office, Chinese Center for Disease Control and Prevention, Beijing 102206, China
  • 3Key Laboratory of Public Nutrition and Health, National Health Commission of the People’s Republic of China, Beijing 100050, China
  • Corresponding Author:
    XU Juan, E-mail:
出版时间: 2025-04-10 doi: 10.11847/zgggws1145275
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目的

分析2021年农村义务教育学生营养改善计划实施地区中小学生食物摄入情况及其影响因素。

方法

按照随机抽样原则,于2021年在31个省(自治区、直辖市)和新疆生产建设兵团的727个国家试点县,按县城和农村分别抽取10%左右的小学和初中学校,从小学三年级至初中三年级中,每个年级抽取1个班、每班约40人,男女生各半。采用问卷调查的方法,收集中小学生食物摄入频率。

结果

37.019%的中小学生肉类摄入≥1次/天;24.578%的中小学生蛋摄入≥1个/天;仅4.333%的中小学生奶类摄入≥300 mL/d;30.212%的中小学生水果摄入≥1次/天;33.352%的中小学生蔬菜摄入≥3种/天;10.170%的中小学生豆类摄入≥1次/天。不同地区、性别、学段和是否为留守是中小学生肉、蛋、奶、水果、蔬菜和豆类摄入的影响因素;是否住校为中小学生肉、奶、水果蔬菜和豆类摄入的影响因素。

结论

中国学生营养改善计划实施地区中小学生各类食物仍存在摄入量不足。今后在推进学生营养改善计划实施中应开展有针对性的膳食指导和营养宣传教育,提高计划实施效果,促进中国中小学生健康成长。

营养改善计划  /  农村中小学生  /  食物摄入  /  影响因素
Objective

To analyze the food intake of primary and middle school students in areas implementing the Rural Compulsory Education Student Nutrition Improvement Program in 2021 and its influencing factors.

Methods

Following the principle of random sampling, in 2021, in 727 national pilot counties in 31 provinces (autonomous regions, municipalities) and the Xinjiang Production & Construction Corps, approximately 10% of primary and middle schools were selected in urban and rural areas, respectively. From the third grade of primary school to the third grade of junior high school, one class was selected from each grade, with approximately 40 students per class, equally divided between male and female. Questionnaires were used to collect data on the frequency of food intake among primary and middle school students.

Results

37.019% of primary and middle school students consumed meat once or more per day; 24.578% consumed one or more eggs per day; only 4.333% consumed 300 mL/d or more of milk; 30.212% consumed fruit once or more per day; 33.352% consumed three or more kinds of vegetables per day; and 10.170% consumed beans once or more per day. Geographic distribution, gender, school level, and left-behind child status were influencing factors for meat, egg, milk, fruit, vegetable, and bean intake among primary and middle school students; boarding status was an influencing factor for meat, milk, fruit, vegetable, and bean intake.

Conclusions

The proportion of primary and middle school students in areas implementing the Chinese Student Nutrition Improvement Program who met the recommended dietary guidelines for various food groups showed an upward trend, but insufficient intake may still exist. In the future, targeted dietary guidance and nutrition education should be carried out during the further implementation of the Student Nutrition Improvement Program to improve the effectiveness of the program and promote the healthy growth of primary and middle school students in China.

nutrition improvement program  /  rural areas primary and middle school students  /  food intake  /  influencing factors
由文烁, 徐培培, 曹薇, 陈慕磊, 甘倩, 王宏亮, 罗瑞鹤, 杨媞媞, 潘慧, 张建芬, 王晓宁, 张倩, 许娟. 农村学生营养改善计划地区中小学生食物摄入及影响因素分析. 中国公共卫生, 2025 , 41 (4) : 411 -416 . DOI: 10.11847/zgggws1145275
Wenshuo YOU, Peipei XU, Wei CAO, Mulei CHEN, Qian GAN, Hongliang WANG, Ruihe LUO, Titi YANG, Hui PAN, Jianfen ZHANG, Xiaoning WANG, Qian ZHANG, Juan XU. Food intake and influencing factors among primary and secondary school students in rural areas covered by the nutrition improvement program[J]. Chinese Journal of Public Health, 2025 , 41 (4) : 411 -416 . DOI: 10.11847/zgggws1145275
儿童青少年时期是人体生长发育的关键时期,合理的膳食结构和充足的营养摄入不仅影响儿童青少年的生长发育,对其认知能力、学习效率等方面也有着深远的影响[1–2]。肉类、蛋和奶类食物富含优质蛋白质、脂肪、维生素和矿物质,是维持儿童青少年身体健康不可或缺的营养来源,适量摄入这类食物有助于预防营养不良和相关疾病、维持肌肉骨骼的健康发育并增强免疫力等[3]。水果、蔬菜和豆类能为儿童青少年提供所需的维生素、矿物质和膳食纤维,有助于降低心血管疾病发生风险[4–6]。本研究收集了2021年农村义务教育学生营养改善计划(以下简称“学生营养改善计划”)实施地区[计划实施地区涵盖为中国31个省(自治区、直辖市)和新疆生产建设兵团]的学生营养健康状况资料,分析其肉类、蛋、奶类、水果、蔬菜和豆类等食物的摄入情况及其影响因素,为更好地实施学生营养改善计划、指导中小学生均衡膳食提供科学依据。
数据来自2021年学生营养改善计划学生营养健康状况监测结果。参照国家统计局划分标准,将调查点分为东部(北京市、天津市、河北省、辽宁省、吉林省、黑龙江省、上海市、江苏省、浙江省、福建省、山东省、广东省、海南省)、中部(山西省、安徽省、江西省、河南省、湖北省、湖南省)、西部(内蒙古自治区、广西壮族自治区、重庆市、四川省、贵州省、云南省、西藏自治区、陕西省、甘肃省、青海省、宁夏回族自治区、新疆维吾尔自治区)。按照随机抽样原则,在我国31个省(自治区、直辖市)和新疆生产建设兵团的727个国家试点县,按县城和农村分别抽取10%左右的小学和初中学校,每个年级抽取1个班、每班约40人,年龄范围6~16岁,男女生各半作为调查对象,共调查中小学生178 509人,回收有效问卷144 766份,问卷有效率81.1%。本项目已通过中国疾病预防控制中心伦理审查会审批(批号:2021-018),所有调查对象的监护人均签署了知情同意书。
采用问卷调查的方法,获得调查学生的基本人口学信息和食物摄入情况,以及学生所在学校的相关信息。通过学生自行填写《农村学生营养健康监测——学生调查表》(以下简称《学生调查表》)收集包括性别、年级、住宿情况、父母在外打工情况和食物摄入等情况;通过《农村学生营养健康监测—学校基本情况表》(以下简称“学校基本情况表”)收集监测学校信息,由学校主管校长根据学校具体情况填写,主要信息包括学校所在地、学校性质、年级等情况[7]。
食物种类参照《中国居民膳食指南(2022)》中国居民平衡膳食宝塔(2016)[8],本文分析食物种类包括肉类、蛋、奶类、水果、蔬菜和豆类;食物摄入情况参照《中国居民膳食指南(2022)》中学龄儿童膳食指南划分,肉类、水果和豆类摄入情况分为<1次/天和≥1次/天;蛋类分为<1个/天和≥1个/天;奶类分为<300 mL/d和≥300 mL/d;蔬菜种类分为达到<3种/天和≥3种/天。
中国疾病预防控制中心营养与健康所(简称营养所)负责制定监测及评估标准和方法,所有问卷均经专家研讨审核和预试验后修订。营养所统一培训各省监测人员,各省级疾病预防控制中心负责二级培训,参与监测的所有调查员均经过标准化培训并通过考核;各级疾病预防控制中心及相关部门现场督导,并定期组织问卷抽查和数据抽检[9],纠正和修正有误和缺失数据,保证数据完整、合理和准确。
所有调查数据均采用统一编制的“农村义务教育学生营养改善计划”营养健康状况监测评估系统录入和上报,采用SAS 9.4统计软件进行统计分析。中小学生各类食物摄入情况为分类资料,运用χ2检验分析各因素的组间差异,运用logistic回归分析各类食物摄入的影响因素,因变量为肉类、蛋、奶类、水果、蔬菜和豆类等食物摄入情况,自变量为地区、城乡、性别、学段、是否住宿和留守情况等。所有统计分析均以 P<0.05为差异有统计学意义。
2021年学生营养健康状况监测共144 766人。其中东部地区21 605人(14.924%),西部地区80 141人(55.359%),中部地区43 020人(29.717%);男生73 157人(50.535%),女生71 609人(49.465%);小学生86 542人(59.781%),中学生58 224人(40.219%);住校生50 828人(35.110%),非住校生93 938人(64.890%);非留守儿童124 924人(86.294%),留守儿童19 842人(13.706%)。
中小学生肉类摄入频次在不同地区(χ2=1 100.349)、不同性别(χ2=59.576)、不同学段(χ2=54.635)、是否住校(χ2=15.117)和是否为留守学生(χ2=30.805)的组间差异均有统计学意义(P<0.01)。中小学生奶类摄入情况在不同地区(χ2=218.779)、不同性别(χ2=186.518)、不同学段(χ2=20.494)、是否住校(χ2=368.155)和是否为留守学生(χ2=32.891)的组间差异均有统计学意义(P<0.01)。蛋摄入情况除了在学生是否住校的组间差异无统计学意义(χ2=1.518, P=0.22)外,在其他特征组间构成差异均有统计学意义(P<0.01)。
水果摄入情况在不同地区(χ2=92.812)、不同性别(χ2=26.463)、不同学段(χ2=1 679.486)、是否住校(χ2=2 559.958)和学生是否留守(χ2=409.383)的组间差异均有统计学意义(P<0.01)。蔬菜摄入情况在不同地区(χ2=2 004.278)、不同性别(χ2=25.247)、不同学段(χ2=48.113)、是否住校(χ2=1 251.949)和学生是否留守(χ2=28.924)的组间差异均有统计学意义(P<0.01)。豆类摄入情况在不同地区(χ2=206.216)、不同性别(χ2=34.209)、不同学段(χ2=173.663)、是否住校(χ2=13.148)和学生是否留守(χ2=4.061)的组间差异均有统计学意义(P<0.01)。
将肉、蛋、奶、水果、蔬菜和豆类摄入作为因变量,以单因素分析中有统计学意义的变量为自变量进行多因素logistic回归分析。多因素分析结果显示(Model 2),与东部地区相比,西部地区为肉、蛋、奶、水果、蔬菜和豆类摄入情况的影响因素,差异均有统计学意义(P<0.01);同时中部地区为肉、蛋、奶、水果、蔬菜和豆类摄入情况的影响因素,差异均有统计学意义(均P<0.01)。女生摄入肉、蛋、奶和豆类频次低于男生;摄入蔬菜和水果的频次高于男生,差异均有统计学意义(均P<0.01)。初中生的奶类摄入频次高于小学生,其余食物摄入频次均低于小学生,差异均有统计学意义(P<0.01)。不住校学生奶类和水果摄入频次高于住校生,留守儿童仅肉类摄入频次高于非留守儿童,其他食物摄入频次均低于非留守儿童,差异均有统计学意义(均P<0.01)。
本研究分析了2021年中国学生营养改善计划实施地区中小学生肉类、蛋、奶类、水果、蔬菜和豆类的食物摄入情况及其影响因素。肉类、蛋和奶类是蛋白质、脂质、能量和多种营养素的主要来源,充足的摄入与儿童青少年良好的成长发育、健康状况[10–12]。琚腊红等[13]对中国监测数据分析结果表明,城市中小学生肉、蛋和奶类食物摄入高于农村,且东部地区肉类摄入高于中西部地区,与本研究结果一致。罗交等[14]研究发现中小学生男生肉类摄入高于女生,与本研究结果一致。城市与农村的肉、蛋、奶和水果的摄入差异可能与当地经济状况相关,经济水平越高,中小学生食物摄入状况更好 [15];同时,中小学生食物摄入性别差异可能是由于男女生在生理结构、生长发育需求和能量需求方面的差异造成的[16]。国外研究显示,儿童青少年随着年龄的增长,水果和蔬菜类摄入会出现降低趋势[17],与本研究小学生水果和蔬菜类食物摄入高于初中生的结果相符。
2010—2013中国居民营养与状况监测结果显示,儿童青少年肉类摄入每天≥1次的比例为53.8%、蛋每天摄入≥1次的比例为31.8%[18–19]。本次监测数据中小学生肉类和蛋摄入低于中国监测水平。本次研究数据与监测结果相比,肉类摄入≥1次/天的比例比贫困农村中小学生监测数据增加了近5%,蛋≥1次/天的摄入比例增加了近7%。水果摄入频次高于农村监测数据的中小学生水果摄入,高于贫困农村监测数据接近13%。本次研究豆类摄入频率低于中国监测水平,中小学生奶类摄入达到《中国居民膳食指南(2022)》推荐摄入量比例的仅占4.33%。豆类和奶类是优质的蛋白质来源,豆类富含纤维素、维生素和矿物质,奶类是多种营养素的来源,合理的豆类和奶类摄入有助于维持消化系统健康和免疫功能、控制血糖水平和预防儿童青少年超重肥胖[20–22]。与国外研究相比,本研究中小学生肉类和蛋的摄入频率高于哥伦比亚[23],但水果≥1次/天摄入频率低于瑞典[24]。本次调查中小学生食物摄入水平总体低于2010—2013年中国的监测水平,但高于中国农村监测水平。学生饮奶计划和农村学生营养改善计划的实施,提高了农村中小学生食物摄入水平[25–27],有效改善了农村中小学生的营养状况。除此之外,农村家庭消费水平的提升对中小学生的食物摄入、身体健康起到了促进作用[28]。
本次研究存在一定的局限性。在对儿童青少年食物摄入数据分析时,利用食物摄入频率数据,未考虑实际的食物摄入量,这可能导致儿童青少年食物摄入情况估计不准。
综上所述,中国学生营养改善计划实施地区中小学生食物摄入情况低于2010—2013中国的监测水平,但高于中国农村监测水平,提示农村中小学生各类食物达到膳食指南推荐摄入频次的比例呈上升趋势,但仍存在摄入量不足。不同地区、性别、学段、是否住校和是否留守的中小学生的肉类、奶类、水果、蔬菜和豆类摄入情况存在差异。今后在推进学生营养改善计划深入实施时需针对不同特征学生开展有针对性的膳食指导和营养宣传教育,加强计划实施效果,促进我国中小学生健康成长。

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doi: 10.11847/zgggws1145275
  • 接收时间:2024-06-25
  • 首发时间:2026-10-25
  • 出版时间:2025-04-10
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  • 收稿日期:2024-06-25
  • 修回日期:2024-12-03
  • 录用日期:2025-02-11
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    1中国疾病预防控制中心营养与健康所,北京 100050
    2中国疾病预防控制中心教育培训处,北京 102206
    3国家卫生健康委公共营养与健康重点实验室,北京 100050

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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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