Psychometric properties of the Icelandic NEO-FFI in a general population sample compared to a sample recruited for a study on the genetics of addiction

Gyda Bjornsdottir; Fridrik H. Jonsson; Ingunn Hansdottir; Anna B. Almarsdottir; Maria Heimisdottir; Thorarinn Tyrfingsson; Valgerdur A. Runarsdottir; Kristleifur Kristjansson; Hreinn Stefansson; Thorgeir E. Thorgeirsson

doi:10.1016/j.paid.2013.10.010

Psychometric properties of the Icelandic NEO-FFI in a general population sample compared to a sample recruited for a study on the genetics of addiction

Gyda Bjornsdottir^*, Fridrik H. Jonsson, Ingunn Hansdottir, Anna B. Almarsdottir, Maria Heimisdottir, Thorarinn Tyrfingsson, Valgerdur A. Runarsdottir, Kristleifur Kristjansson, Hreinn Stefansson, Thorgeir E. Thorgeirsson

^*Corresponding author af dette arbejde

4 Citationer (Scopus)

Abstract

Personality traits are major determinants of social behavior influencing various diseases including addiction. Twin and family studies suggest personality and addiction to be under genetic influence. Identification of DNA susceptibility variants relies on valid and reliable phenotyping approaches. We present results of psychometric testing of the Icelandic NEO-FFI in a population sample (N= 657) and a sample recruited for a study on addiction genetics (N= 3804). The Icelandic NEO-FFI demonstrated internal consistency and temporal stability. Factor analyses supported the five-factor structure. Icelandic norms were compared to American norms and language translations selected for geographical and cultural proximity to Iceland. Multiple discriminant function analysis using NEO-FFI trait scores and gender as independent variables predicted membership in recruitment groups for 47.3% of addiction study cases (N= 3804), with accurate predictions made for 69.5% of individuals with treated addiction and 43.3% of their first-degree relatives. Correlations between NEO-FFI scores and the discriminant function suggested a combination of high neuroticism, low conscientiousness and low agreeableness predicted membership in the Treated group.

Originalsprog	Engelsk
Tidsskrift	Personality and Individual Differences
Vol/bind	58
Sider (fra-til)	71-75
Antal sider	5
ISSN	0191-8869
DOI	https://doi.org/10.1016/j.paid.2013.10.010
Status	Udgivet - feb. 2014

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Bjornsdottir, G., Jonsson, F. H., Hansdottir, I., Almarsdottir, A. B., Heimisdottir, M., Tyrfingsson, T., Runarsdottir, V. A., Kristjansson, K., Stefansson, H., & Thorgeirsson, T. E. (2014). Psychometric properties of the Icelandic NEO-FFI in a general population sample compared to a sample recruited for a study on the genetics of addiction. Personality and Individual Differences, 58, 71-75. https://doi.org/10.1016/j.paid.2013.10.010

Psychometric properties of the Icelandic NEO-FFI in a general population sample compared to a sample recruited for a study on the genetics of addiction. / Bjornsdottir, Gyda; Jonsson, Fridrik H.; Hansdottir, Ingunn et al.
I: Personality and Individual Differences, Bind 58, 02.2014, s. 71-75.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

Bjornsdottir, G, Jonsson, FH, Hansdottir, I, Almarsdottir, AB, Heimisdottir, M, Tyrfingsson, T, Runarsdottir, VA, Kristjansson, K, Stefansson, H & Thorgeirsson, TE 2014, 'Psychometric properties of the Icelandic NEO-FFI in a general population sample compared to a sample recruited for a study on the genetics of addiction', Personality and Individual Differences, bind 58, s. 71-75. https://doi.org/10.1016/j.paid.2013.10.010

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abstract = "Personality traits are major determinants of social behavior influencing various diseases including addiction. Twin and family studies suggest personality and addiction to be under genetic influence. Identification of DNA susceptibility variants relies on valid and reliable phenotyping approaches. We present results of psychometric testing of the Icelandic NEO-FFI in a population sample (N= 657) and a sample recruited for a study on addiction genetics (N= 3804). The Icelandic NEO-FFI demonstrated internal consistency and temporal stability. Factor analyses supported the five-factor structure. Icelandic norms were compared to American norms and language translations selected for geographical and cultural proximity to Iceland. Multiple discriminant function analysis using NEO-FFI trait scores and gender as independent variables predicted membership in recruitment groups for 47.3% of addiction study cases (N= 3804), with accurate predictions made for 69.5% of individuals with treated addiction and 43.3% of their first-degree relatives. Correlations between NEO-FFI scores and the discriminant function suggested a combination of high neuroticism, low conscientiousness and low agreeableness predicted membership in the Treated group.",

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AU - Bjornsdottir, Gyda

AU - Jonsson, Fridrik H.

AU - Hansdottir, Ingunn

AU - Almarsdottir, Anna B.

AU - Heimisdottir, Maria

AU - Tyrfingsson, Thorarinn

AU - Runarsdottir, Valgerdur A.

AU - Kristjansson, Kristleifur

AU - Stefansson, Hreinn

AU - Thorgeirsson, Thorgeir E.

PY - 2014/2

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N2 - Personality traits are major determinants of social behavior influencing various diseases including addiction. Twin and family studies suggest personality and addiction to be under genetic influence. Identification of DNA susceptibility variants relies on valid and reliable phenotyping approaches. We present results of psychometric testing of the Icelandic NEO-FFI in a population sample (N= 657) and a sample recruited for a study on addiction genetics (N= 3804). The Icelandic NEO-FFI demonstrated internal consistency and temporal stability. Factor analyses supported the five-factor structure. Icelandic norms were compared to American norms and language translations selected for geographical and cultural proximity to Iceland. Multiple discriminant function analysis using NEO-FFI trait scores and gender as independent variables predicted membership in recruitment groups for 47.3% of addiction study cases (N= 3804), with accurate predictions made for 69.5% of individuals with treated addiction and 43.3% of their first-degree relatives. Correlations between NEO-FFI scores and the discriminant function suggested a combination of high neuroticism, low conscientiousness and low agreeableness predicted membership in the Treated group.

AB - Personality traits are major determinants of social behavior influencing various diseases including addiction. Twin and family studies suggest personality and addiction to be under genetic influence. Identification of DNA susceptibility variants relies on valid and reliable phenotyping approaches. We present results of psychometric testing of the Icelandic NEO-FFI in a population sample (N= 657) and a sample recruited for a study on addiction genetics (N= 3804). The Icelandic NEO-FFI demonstrated internal consistency and temporal stability. Factor analyses supported the five-factor structure. Icelandic norms were compared to American norms and language translations selected for geographical and cultural proximity to Iceland. Multiple discriminant function analysis using NEO-FFI trait scores and gender as independent variables predicted membership in recruitment groups for 47.3% of addiction study cases (N= 3804), with accurate predictions made for 69.5% of individuals with treated addiction and 43.3% of their first-degree relatives. Correlations between NEO-FFI scores and the discriminant function suggested a combination of high neuroticism, low conscientiousness and low agreeableness predicted membership in the Treated group.

KW - Addiction

KW - NEO-FFI

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U2 - 10.1016/j.paid.2013.10.010

DO - 10.1016/j.paid.2013.10.010

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SN - 0191-8869

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JO - Personality and Individual Differences

JF - Personality and Individual Differences

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Psychometric properties of the Icelandic NEO-FFI in a general population sample compared to a sample recruited for a study on the genetics of addiction

Abstract

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