Browsing Bergen Open Research Archive by Author "Johannsson, Erlingur Sigurdur"

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Adolescent mental health and cardiorespiratory fitness: A comparison of two cohorts 12 years apart

Birgisson, Ottar; Eriksen, Hege Randi; Hysing, Mari; Johannsson, Erlingur Sigurdur; Gestsdottir, Sunna (Journal article; Peer reviewed, 2024)

The aim of the study was to compare the mental health and cardiorespiratory fitness (CRF) of adolescents in two cross-sectional cohorts, one measured in 2003 and the other in 2015, both at age 15 and across sexes. The study ...
The relationship between online communication and adolescents’ mental health: Long-term evaluation between genders

Birgisson, Ottar; Hysing, Mari; Eriksen, Hege Randi; Johannsson, Erlingur Sigurdur; Gestsdottir, Sunna (Journal article; Peer reviewed, 2023)

Aims: In a relatively short time, online communication has become an important part of adolescents’ lives, and concerns have been raised about its potential effects on mental health. The first aim was to compare mental ...