Investigation of development and plastic using status of adolescent

CHEN Yao; SHEN Li-xiao; HUANG Hong; LV Ying-bo; LI Feng

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Chinese Journal of Child Health Care ›› 2012, Vol. 20 ›› Issue (5) : 398-400.

Investigation of development and plastic using status of adolescent

CHEN Yao,SHEN Li-xiao,HUANG Hong,LV Ying-bo,LI Feng

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Abstract

【Objectives】 To learn about the status of physical development,spermatorrhea/menstruation and plastics using habits of junior students and study about the association between physical development and spermarcheal/ menarcheal age.It's the first time to investigate the relationship between plastics using habits and spermarcheal/ menarcheal age. 【Methods】 Body mass index(BMI:kg/m²) was used as the index for physical development.Spermarcheal and menarcheal age were obtained through interview.Plastics using habits were learned through questionnaire.Jonckheere-Terpstra test was used to learn about spermarcheal/menarcheal ages in different physical development status.The relationship between plastic using habits and spermarcheal/menarcheal age was analyzed through simple linear regression. 【Results】 For participants in our investigation,the rate of overweight and obesity was much higher than the rate fo under-weight.At the same time,the rate of overweight and obesity was much higher than that in boys than in girls (P<0.01).A large proportion of the participants had bad habits of using plastics.Spermarcheal age in different physical development status had no statistical significance,while menarcheal age in different physical development status had a statistical significance (P=0.001).There were no significant correlations between plastic using habits scores and spermarcheal age or menarcheal age. 【Conclusions】 Weight control and appropriate use of plastics are especially important for adolescent normal pubertal development.Education of adolescence should be done respectively.

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physical development / body mass index / spermarcheal age / menarcheal age / phthalic acid esters / bisphenol A

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CHEN Yao,SHEN Li-xiao,HUANG Hong,LV Ying-bo,LI Feng. Investigation of development and plastic using status of adolescent[J]. Chinese Journal of Child Health Care. 2012, 20(5): 398-400

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