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The association between different cognitive domains and age in a multi-centre study of middle-aged and older European men.

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Title: The association between different cognitive domains and age in a multi-centre study of middle-aged and older European men.
Authors: Lee, David M., Tajar, Abdelouahid, Ulubaev, Aslan, Pendleton, Neil, O'Neill, Terence W., O'Connor, Daryl B., Bartfai, Gyorgy, Boonen, Steven, Casanueva, Felipe F., Finn, Joseph D., Forti, Gianni, Giwercman, Aleksander, Han, Thang S., Huhtaniemi, Ilpo T., Kula, Krzysztof, Lean, Michael E. J., Punab, Margus, Silman, Alan J., Vanderschueren, Dirk, Wu, Frederick C. W.
Source: International Journal of Geriatric Psychiatry. Nov2009, Vol. 24 Issue 11, p1257-1266. 10p. 4 Charts, 1 Graph.
Subjects: Cognition in old age, Men's mental health, Men's health, Regression analysis
Geographic Terms: Europe
Abstract: Objectives We determined levels of cognitive functioning in community dwelling men aged 40–79 (n = 3265) from eight European centres and investigated to what extent cognitive performance varied between centres, the association between different cognitive domains and age, educational level, co-morbidity and lifestyle factors and the respective contributions of centre and individual factors to cognitive performance. Methods Cognitive domains assessed were visuo-constructional ability and visual memory (Rey–Osterrieth Complex Figure test, ROCF), topographical memory (Camden Topographical Recognition Memory test, CTRM) and processing speed (Digit-Symbol Substitution test, DSST). Results There were significant between-centre differences in all four cognitive test scores. Using multilevel linear regression analysis (MLRA), age, education, depression, physical performance and smoking were independent predictors of cognitive function and these variables explained 10–13% of the variation in cognitive scores between centres and 17–36% of the variation in scores between individuals within centres. Conclusion Our data suggest that although a proportion of the variance in cognitive function among European men is explained by individual level differences, a significant proportion is due to contextual phenomenon. Such contextual factors need to be considered when analysing multi-centre data and European men should not be treated as homogeneous when assessing cognitive performance using existing instruments. Copyright © 2009 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Geriatric Psychiatry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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DbLabel: Psychology and Behavioral Sciences Collection
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AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: The association between different cognitive domains and age in a multi-centre study of middle-aged and older European men.
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  Data: <searchLink fieldCode="AR" term="%22Lee%2C+David+M%2E%22">Lee, David M.</searchLink><br /><searchLink fieldCode="AR" term="%22Tajar%2C+Abdelouahid%22">Tajar, Abdelouahid</searchLink><br /><searchLink fieldCode="AR" term="%22Ulubaev%2C+Aslan%22">Ulubaev, Aslan</searchLink><br /><searchLink fieldCode="AR" term="%22Pendleton%2C+Neil%22">Pendleton, Neil</searchLink><br /><searchLink fieldCode="AR" term="%22O'Neill%2C+Terence+W%2E%22">O'Neill, Terence W.</searchLink><br /><searchLink fieldCode="AR" term="%22O'Connor%2C+Daryl+B%2E%22">O'Connor, Daryl B.</searchLink><br /><searchLink fieldCode="AR" term="%22Bartfai%2C+Gyorgy%22">Bartfai, Gyorgy</searchLink><br /><searchLink fieldCode="AR" term="%22Boonen%2C+Steven%22">Boonen, Steven</searchLink><br /><searchLink fieldCode="AR" term="%22Casanueva%2C+Felipe+F%2E%22">Casanueva, Felipe F.</searchLink><br /><searchLink fieldCode="AR" term="%22Finn%2C+Joseph+D%2E%22">Finn, Joseph D.</searchLink><br /><searchLink fieldCode="AR" term="%22Forti%2C+Gianni%22">Forti, Gianni</searchLink><br /><searchLink fieldCode="AR" term="%22Giwercman%2C+Aleksander%22">Giwercman, Aleksander</searchLink><br /><searchLink fieldCode="AR" term="%22Han%2C+Thang+S%2E%22">Han, Thang S.</searchLink><br /><searchLink fieldCode="AR" term="%22Huhtaniemi%2C+Ilpo+T%2E%22">Huhtaniemi, Ilpo T.</searchLink><br /><searchLink fieldCode="AR" term="%22Kula%2C+Krzysztof%22">Kula, Krzysztof</searchLink><br /><searchLink fieldCode="AR" term="%22Lean%2C+Michael+E%2E+J%2E%22">Lean, Michael E. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Punab%2C+Margus%22">Punab, Margus</searchLink><br /><searchLink fieldCode="AR" term="%22Silman%2C+Alan+J%2E%22">Silman, Alan J.</searchLink><br /><searchLink fieldCode="AR" term="%22Vanderschueren%2C+Dirk%22">Vanderschueren, Dirk</searchLink><br /><searchLink fieldCode="AR" term="%22Wu%2C+Frederick+C%2E+W%2E%22">Wu, Frederick C. W.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Geriatric+Psychiatry%22">International Journal of Geriatric Psychiatry</searchLink>. Nov2009, Vol. 24 Issue 11, p1257-1266. 10p. 4 Charts, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Cognition+in+old+age%22">Cognition in old age</searchLink><br /><searchLink fieldCode="DE" term="%22Men's+mental+health%22">Men's mental health</searchLink><br /><searchLink fieldCode="DE" term="%22Men's+health%22">Men's health</searchLink><br /><searchLink fieldCode="DE" term="%22Regression+analysis%22">Regression analysis</searchLink>
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– Name: Abstract
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  Data: Objectives We determined levels of cognitive functioning in community dwelling men aged 40–79 (n = 3265) from eight European centres and investigated to what extent cognitive performance varied between centres, the association between different cognitive domains and age, educational level, co-morbidity and lifestyle factors and the respective contributions of centre and individual factors to cognitive performance. Methods Cognitive domains assessed were visuo-constructional ability and visual memory (Rey–Osterrieth Complex Figure test, ROCF), topographical memory (Camden Topographical Recognition Memory test, CTRM) and processing speed (Digit-Symbol Substitution test, DSST). Results There were significant between-centre differences in all four cognitive test scores. Using multilevel linear regression analysis (MLRA), age, education, depression, physical performance and smoking were independent predictors of cognitive function and these variables explained 10–13% of the variation in cognitive scores between centres and 17–36% of the variation in scores between individuals within centres. Conclusion Our data suggest that although a proportion of the variance in cognitive function among European men is explained by individual level differences, a significant proportion is due to contextual phenomenon. Such contextual factors need to be considered when analysing multi-centre data and European men should not be treated as homogeneous when assessing cognitive performance using existing instruments. Copyright © 2009 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of International Journal of Geriatric Psychiatry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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