Browsing Institutt for psykisk helse by Author "Øverland, Simon Nygaard"
Now showing items 1-4 of 4
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Differential associations between types of social media use and university students' non-suicidal self-injury and suicidal behavior
Kingsbury, Mila; Reme, Bjørn-Atle; Skogen, Jens Christoffer; Sivertsen, Børge; Øverland, Simon Nygaard; Cantor, Nathan; Hysing, Mari; Petrie, Keith; Colman, Ian (Peer reviewed; Journal article, 2020)Objective To examine differential associations between types of social media use and non-suicidal self-injury (NSSI) and suicidal behaviors. Methods Participants were N = 40,065 Norwegian college and university students, ... -
The gendered relationship between illicit substance use and self-harm in university students
Hammond, Nicole G.; Sivertsen, Børge; Skogen, Jens Christoffer; Øverland, Simon Nygaard; Colman, Ian (Peer reviewed; Journal article, 2022)Purpose To estimate associations between multiple forms of substance use with self-harming thoughts and behaviours, and to test whether gender is an effect modifier of these associations, both independently and along ... -
Intraindividual variability in sleep among people with insomnia and its relationship with sleep, health and lifestyle factors: an exploratory study
Bredeli, Einar Rørstad; Vestergaard, Cecilie Lund; Sivertsen, Børge; Kallestad, Håvard; Øverland, Simon Nygaard; Ritterbandt, Lee M.; Glozier, Nick; Pallesen, Ståle; Scott, Jan; Langsrud, Knut; Vedaa, Øystein (Journal article; Peer reviewed, 2021)Objective: To explore associations between intraindividual variability (IIV) in sleep patterns and sleep problems, lifestyle factors, and mental and physical health in individuals with chronic insomnia. Methods: Cross-sectional ... -
Seasonality and symptoms of depression: A systematic review of the literature
Øverland, Simon Nygaard; Woicik, Wojtek; Sikora, Lindsey; Whittaker, Kristoffer; Heli, Hans; Skjelkvåle, Fritjof Stein; Sivertsen, Børge; Colman, Ian (Journal article; Peer reviewed, 2019)Aims Lay opinions and published papers alike suggest mood varies with the seasons, commonly framed as higher rates of depression mood in winter. Memory and confirmation bias may have influenced previous studies. We ...