Search Results

Screen Time and Body Image in Icelandic Adolescents : Sex-Specific Cross-Sectional and Longitudinal Associations

by Hrafnkelsdottir, Soffia M., Brychta, Robert J., Rognvaldsdottir, Vaka, Chen, Kong Y., Johannsson, Erlingur, Guðmundsdottir, Sigridur L., Arngrimsson, Sigurbjorn A.
Published 2022

Less screen time and more frequent vigorous physical activity is associated with lower risk of reporting negative mental health symptoms among Icelandic adolescents

by Hrafnkelsdóttir, Soffía Margrét, Brychta, Robert J., Rögnvaldsdóttir, Vaka, Gestsdottir, Sunna, Chen, Kong Y., Jóhannsson, Erlingur Sigurður, Guðmundsdóttir, Sigriður Lára, Arngrímsson, Sigurbjörn Árni
Published in PLOS ONE (2018)

Hreyfing og svefn reykvískra ungmenna

by Vaka Rögnvaldsdóttir, Berglind M. Valdimarsdóttir, Brychta, Robert J., Soffía M Hrafnkelsdóttir, Sigurbjörn Á. Arngrímsson, Erlingur Jóhannsson, Chen, Kong Y., Sigríður L. Guðmundsdóttir
Published in Læknablaðið (2018)

Association between free-living sleep and memory and attention in healthy adolescents

by Stefansdóttir, Runa, Gundersen, Hilde, Rögnvaldsdóttir, Vaka, Lundervold, Alexander Selvikvåg, Gestdóttir, Sunna, Gudmundsdóttir, Sigridur Lara, Chen, Kong Y., Brychta, Robert J., Johannsson, Erlingur
Published in Scientific Reports (2020)

Influence of Day Length and Physical Activity on Sleep Patterns in Older Icelandic Men and Women

by Brychta, Robert J, Arnardóttir, Nanna Ýr, Jóhannsson, Erlingur, Wright, E. C., Eiriksdottir, Gudny, Gudnason, V, Marinac, C. R., Davis, M., Koster, A, Caserotti, P., Sveinsson, Thórarinn, Harris, T., Chen, Kong Y
Published in Journal of Clinical Sleep Medicine (2016)

Influence of Day Length and Physical Activity on Sleep Patterns in Older Icelandic Men and Women

by Brychta, Robert J., Arnardottir, Nanna Yr, Johannsson, Erlingur, Wright, Elizabeth C., Eiriksdottir, Gudny, Gudnason, Vilmundur, Marinac, Catherine R., Davis, Megan, Koster, Annemarie, Caserotti, Paolo, Sveinsson, Thorarinn, Harris, Tamara, Chen, Kong Y.
Published in Journal of Clinical Sleep Medicine (2016)

Influence of day length and physical activity on sleep patterns in older Icelandic men and women

by Brychta, Robert J., Arnardottir, Nanna Yr, Johannsson, Erlingur, Wright, Elizabeth C., Eiriksdottir, Gudny, Gudnason, Vilmundur, Marinac, Catherine R., Davis, Megan, Koster, Annemarie, Caserotti, Paolo, Sveinsson, Thorarinn, Harris, Tamara, Chen, Kong Y.
Published in Journal of Clinical Sleep Medicine (2016)

Objective measurements of daily physical activity patterns and sedentary behaviour in older adults:Age, Gene/Environment Susceptibility-Reykjavik Study

by Arnardottir, Nanna Yr, Koster, Annemarie, Van Domelen, Dane R, Brychta, Robert J, Caserotti, Paolo, Eiriksdottir, Gudny, Sverrisdottir, Johanna Eyrun, Launer, Lenore J, Gudnason, Vilmundur, Johannsson, Erlingur, Harris, Tamara B, Chen, Kong Y, Sveinsson, Thorarinn
Published in Age and Ageing (2013)

Association of change in brain structure to objectively measured physical activity and sedentary behavior in older adults:Age, Gene/Environment Susceptibility-Reykjavik Study

by Arnardóttir, Nanna Ýr, Koster, A, Van Domelen, Dane R, Brychta, Robert J, Caserotti, P., Eiriksdottir, Gudny, Sverrisdottir, Johanna Eyrun, Sigurdsson, SB, Jóhannsson, Erlingur, Chen, K. Y., Gudnason, V, Harris, T. B., Launer, L J, Sveinsson, Thórarinn
Published in Behavioural Brain Research (2016)

Comparison of summer and winter objectively measured physical activity and sedentary behavior in older adults:Age, gene/environment susceptibility Reykjavik study

by Arnardottir, Nanna Yr, Oskarsdottir, Nina Dora, Brychta, Robert J., Koster, Annemarie, Van Domelen, Dane R., Caserotti, Paolo, Eiriksdottir, Gudny, Sverrisdottir, Johanna E., Johannsson, Erlingur, Launer, Lenore J., Gudnason, Vilmundur, Harris, Tamara B., Chen, Kong Y., Sveinsson, Thorarinn
Published in International Journal of Environmental Research and Public Health (2017)

Comparison of Summer and Winter Objectively Measured Physical Activity and Sedentary Behavior in Older Adults: Age, Gene/Environment Susceptibility Reykjavik Study

by Arnardottir, Nanna Yr, Oskarsdottir, Nina Dora, Brychta, Robert J., Koster, Annemarie, Van Domelen, Dane R., Caserotti, Paolo, Eiriksdottir, Gudny, Sverrisdottir, Johanna E., Johannsson, Erlingur, Launer, Lenore J., Gudnason, Vilmundur, Harris, Tamara B., Chen, Kong Y., Sveinsson, Thorarinn
Published in International Journal of Environmental Research and Public Health (2017)

Comparison of Summer and Winter Objectively Measured Physical Activity and Sedentary Behavior in Older Adults:Age, Gene/Environment Susceptibility Reykjavik Study

by Arnardottir, Nanna Yr, Oskarsdottir, Nina Dora, Brychta, Robert J., Koster, Annemarie, Van Domelen, Dane R., Caserotti, Paolo, Eiriksdottir, Gudny, Sverrisdottir, Johanna E., Johannsson, Erlingur, Launer, Lenore J., Gudnason, Vilmundur, Harris, Tamara B., Chen, Kong Y., Sveinsson, Thorarinn
Published in International Journal of Environmental Research and Public Health (2017)

Comparison of summer and winter objectively measured physical activity and sedentary behavior in older adults: Age, gene/environment susceptibility Reykjavik study

by Arnardóttir, Nanna Ýr, Óskarsdóttir, Nína Dóra, Brychta, Robert J., Koster, Annemarie, van Domelen, Dane R., Caserotti, Paolo, Eiriksdottir, Gudny, Sverrisdóttir, Jóhanna E., Jóhannsson, Erlingur, Launer, Lenore J., Gudnason, Vilmundur, Harris, Tamara B., Chen, Kong Y., Sveinsson, Thorarinn
Published in International Journal of Environmental Research and Public Health (2017)

Comparison of summer and winter objectively measured physical activity and sedentary behavior in older adults: Age, gene/environment susceptibility Reykjavik study

by Arnardóttir, Nanna Ýr, Oskarsdottir, Nina Dora, Brychta, Robert J., Koster, Annemarie, Van Domelen, Dane R., Caserotti, Paolo, Eiriksdottir, Gudny, Sverrisdottir, Johanna E., Johannsson, Erlingur, Launer, Lenore J., Guðnason, Vilmundur G, Harris, Tamara B., Chen, Kong Y., Sveinsson, Þórarinn
Published in International Journal of Environmental Research and Public Health (2017)