Blar i HVL Open på forfatter "Hrafnkelsdottir, Soffia M"
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Less physical activity and more varied and disrupted sleep is associated with a less favorable metabolic profile in adolescents
Rognvaldsdottir, Veka; Brychta, Robert J.; Hrafnkelsdottir, Soffia M; Chen, Kong Y.; Arngrimsson, Sigurbjorn Arni; Johannsson, Erlingur; Gudmundsdottir, Sigridur Lara (Peer reviewed; Journal article, 2020)Background Sleep and physical activity are modifiable behaviors that play an important role in preventing overweight, obesity, and metabolic health problems. Studies of the association between concurrent objective measures ... -
Screen Time and Body Image in Icelandic Adolescents: Sex-Specific Cross-Sectional and Longitudinal Associations
Hrafnkelsdottir, Soffia M; Brychta, Robert J; Rognvaldsdottir, Vaka; Chen, Kong Y.; Johannsson, Erlingur; Gudmundsdottir, Sigridur Lara; Arngrimsson, Sigurbjorn Arni (Peer reviewed; Journal article, 2022)Studies of adolescent body image and screen use are mostly limited to girls, and longitudinal data are scarce. We examined cross-sectional and longitudinal associations between these variables in mid-adolescent boys and ...