[Study on selenium exposure level related to cognitive function in rural elderly people].

Yibin Cheng, Yinlong Jin, Feng Ma, Chaoke Liang, Y. Liu, Jianchao Bian, Ping Li, Sujuan Gao

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

To know the relationship between selenium exposure level and cognitive function and its influencing factors in rural elderly people. A cross-sectional survey of 200 local rural elderly people were conducted by using dietary questionnaire and six cognitive questionnaires. The local environment samples were collected including food and nail and blood sample of study individuals. The trace amount of selenium were determined with 2, 3-diaminonaphthalenet fluorometric determination. Multiple stepwise regression was used to examine the association between selenium exposure level and the composite Z score adjusting for age, gender, education, and other factors that might influence the cognitive scores. There were significant positively relationships between three selenium exposure indexes. The results showed that food selenium intake level and blood selenium level could significantly affected the Z score after adjusting age, education and other factors by using multiple stepwise regression analysis (P <0.001). Lower selenium exposure level maybe associated with lower cognitive function in rural elderly people.

Original languageEnglish (US)
JournalWei sheng yan jiu = Journal of hygiene research
Volume39
Issue number4
StatePublished - Jul 2010
Externally publishedYes

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Selenium
Cognition
Education
Nails
Cross-Sectional Studies
Eating
Regression Analysis
Food

ASJC Scopus subject areas

  • Medicine(all)

Cite this

[Study on selenium exposure level related to cognitive function in rural elderly people]. / Cheng, Yibin; Jin, Yinlong; Ma, Feng; Liang, Chaoke; Liu, Y.; Bian, Jianchao; Li, Ping; Gao, Sujuan.

In: Wei sheng yan jiu = Journal of hygiene research, Vol. 39, No. 4, 07.2010.

Research output: Contribution to journalArticle

Cheng, Yibin ; Jin, Yinlong ; Ma, Feng ; Liang, Chaoke ; Liu, Y. ; Bian, Jianchao ; Li, Ping ; Gao, Sujuan. / [Study on selenium exposure level related to cognitive function in rural elderly people]. In: Wei sheng yan jiu = Journal of hygiene research. 2010 ; Vol. 39, No. 4.
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AU - Li, Ping

AU - Gao, Sujuan

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