Objective:Hidden hunger remains a severe public health problem that affects millions of people worldwide.In China,challenges related to dietary imbalance and hidden hunger persist.Micronutrient inadequacy deserves mor...Objective:Hidden hunger remains a severe public health problem that affects millions of people worldwide.In China,challenges related to dietary imbalance and hidden hunger persist.Micronutrient inadequacy deserves more attention among adolescents,given its vital role in their growth and development;however,this problem appears to have been largely ignored.High school students,in particular,are often at a high risk of hidden hunger but have limited assessment tools available.Therefore,this study aims to revise the hidden hunger assessment scale for high school students(HHAS-HSS)in China and assess its reliability and validity.Methods:Based on a literature review,expert consultation,pre-experiment,and formal survey,a hidden hunger assessment scale was revised for high school students.The formal survey involved 9336 high school students in 11 of the 16 cities in Anhui Province,China,and 9038 valid questionnaires were collected and included in the analysis.The item analysis,internal consistency reliability,test-retest reliability,content validity,exploratory factor analysis,and confirmatory factor analysis of the HHAS-HSS were examined.Results:The HHAS-HSS included a total of 4 dimensions and 12 items:"vegetables and food diversity"(three items),"fruits and dairy products"(three items),"micronutrient-dense foods"(four items),and"health condition and eating habits"(two items).The results showed a Cronbach's alpha of 0.758,a split-half reliability of 0.829,and a test-retest reliability of o.793,indicating good internal consistency.Using the Bartlett's test and Kaiser-Meyer-Olkin test(KMO)to test the exploratory factor analysis presented a four-factor model of the HHAS-HSS,the KMO0 value was 0.820(P<0.001),which indicated the possibility for factor confirmatory factor analysis.Using the maximum variance rotation method,four factors were obtained,and the cumulative variance explained rate was 57.974%.Confirmatory factor analysis also supported the division of the scale into four dimensions,and the fitting indices were x^(2)=1417.656,x^(2)/df=29.534,goodness-of-fit index=0.974,adjusted goodnessof-fit index=0.958,parsimonious goodness-of-fit index=0.600,normed fit index=0.938,incremental fit index=0.940,Tucker-Lewis index=0.917,comparative fit index=0.939,and root mean square error of approximation=0.056.Except for x^(2)/df,all the indices reached the fitting standard,and the above results showed that the construct validity of the scale reached an acceptable level.Conclusions:The HHAS-HSS has good validity and reliability for Chinese high school students.It is a convenient self-report measure of hidden hunger risk.展开更多
目的研制适合中国初中生的护眼健康素养问卷,并应用Rasch模型进行信效度和质量检验。方法采用文献研究法、德尔菲专家咨询法构建中国初中生护眼健康素养指标体系并开发问卷测量条目,采用分层整群随机抽样方法抽取河北省、四川省、深圳...目的研制适合中国初中生的护眼健康素养问卷,并应用Rasch模型进行信效度和质量检验。方法采用文献研究法、德尔菲专家咨询法构建中国初中生护眼健康素养指标体系并开发问卷测量条目,采用分层整群随机抽样方法抽取河北省、四川省、深圳市和青海省的初中生(n=1560)进行现场施测,采用Rasch模型进行问卷质量分析。结果最终形成的中国初中生护眼健康素养问卷包括护眼知识(Eyesight Health LiteracyKnowledge,EHL-K)、护眼技能(Eyesight Health Literacy-Skill,EHL-S)和护眼动机(Eyesight Health Literacy-Motivation,EHL-M)3个部分,共40个条目。问卷质量评价结果显示,总体Rasch模型测量对方差的解释率为63.00%,被试信度0.81,项目信度1,被试分离度为2.05,项目分离度25.21,具有较高的内部一致性与良好的拟合性。怀特图显示,问卷条目总体难度均值M略高于被试能力均值M,其中EHL-K部分的条目难易兼备,与被试能力对应良好;EHL-S部分的条目难度略高于被试能力;EHL-M部分的条目难度略低于被试能力。结论该问卷可以用于测量我国初中生的护眼健康素养水平,也可用于评价学校相关健康教育工作的成效。展开更多
基金funded by the College Students'Innovation and Entrepreneurship Training Program of Anhui Province(No.S202110366047)the College Students'Innovation and Entrepreneurship Training Program of Anhui Medical University(No.AYDDCxj2022008&AYDDCxj2020078).
文摘Objective:Hidden hunger remains a severe public health problem that affects millions of people worldwide.In China,challenges related to dietary imbalance and hidden hunger persist.Micronutrient inadequacy deserves more attention among adolescents,given its vital role in their growth and development;however,this problem appears to have been largely ignored.High school students,in particular,are often at a high risk of hidden hunger but have limited assessment tools available.Therefore,this study aims to revise the hidden hunger assessment scale for high school students(HHAS-HSS)in China and assess its reliability and validity.Methods:Based on a literature review,expert consultation,pre-experiment,and formal survey,a hidden hunger assessment scale was revised for high school students.The formal survey involved 9336 high school students in 11 of the 16 cities in Anhui Province,China,and 9038 valid questionnaires were collected and included in the analysis.The item analysis,internal consistency reliability,test-retest reliability,content validity,exploratory factor analysis,and confirmatory factor analysis of the HHAS-HSS were examined.Results:The HHAS-HSS included a total of 4 dimensions and 12 items:"vegetables and food diversity"(three items),"fruits and dairy products"(three items),"micronutrient-dense foods"(four items),and"health condition and eating habits"(two items).The results showed a Cronbach's alpha of 0.758,a split-half reliability of 0.829,and a test-retest reliability of o.793,indicating good internal consistency.Using the Bartlett's test and Kaiser-Meyer-Olkin test(KMO)to test the exploratory factor analysis presented a four-factor model of the HHAS-HSS,the KMO0 value was 0.820(P<0.001),which indicated the possibility for factor confirmatory factor analysis.Using the maximum variance rotation method,four factors were obtained,and the cumulative variance explained rate was 57.974%.Confirmatory factor analysis also supported the division of the scale into four dimensions,and the fitting indices were x^(2)=1417.656,x^(2)/df=29.534,goodness-of-fit index=0.974,adjusted goodnessof-fit index=0.958,parsimonious goodness-of-fit index=0.600,normed fit index=0.938,incremental fit index=0.940,Tucker-Lewis index=0.917,comparative fit index=0.939,and root mean square error of approximation=0.056.Except for x^(2)/df,all the indices reached the fitting standard,and the above results showed that the construct validity of the scale reached an acceptable level.Conclusions:The HHAS-HSS has good validity and reliability for Chinese high school students.It is a convenient self-report measure of hidden hunger risk.
文摘目的研制适合中国初中生的护眼健康素养问卷,并应用Rasch模型进行信效度和质量检验。方法采用文献研究法、德尔菲专家咨询法构建中国初中生护眼健康素养指标体系并开发问卷测量条目,采用分层整群随机抽样方法抽取河北省、四川省、深圳市和青海省的初中生(n=1560)进行现场施测,采用Rasch模型进行问卷质量分析。结果最终形成的中国初中生护眼健康素养问卷包括护眼知识(Eyesight Health LiteracyKnowledge,EHL-K)、护眼技能(Eyesight Health Literacy-Skill,EHL-S)和护眼动机(Eyesight Health Literacy-Motivation,EHL-M)3个部分,共40个条目。问卷质量评价结果显示,总体Rasch模型测量对方差的解释率为63.00%,被试信度0.81,项目信度1,被试分离度为2.05,项目分离度25.21,具有较高的内部一致性与良好的拟合性。怀特图显示,问卷条目总体难度均值M略高于被试能力均值M,其中EHL-K部分的条目难易兼备,与被试能力对应良好;EHL-S部分的条目难度略高于被试能力;EHL-M部分的条目难度略低于被试能力。结论该问卷可以用于测量我国初中生的护眼健康素养水平,也可用于评价学校相关健康教育工作的成效。
