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Delayed sleep phase...
Delayed sleep phase disorder in a Swedish cohort of adolescents and young adults : Prevalence and associated factors
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- Danielsson, Katarina, 1983- (författare)
- Uppsala universitet,Psykiatri, Akademiska sjukhuset
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- Markström, Agneta (författare)
- Uppsala universitet,Lungmedicin och allergologi
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- Broman, Jan-Erik (författare)
- Uppsala universitet,Lungmedicin och allergologi,Psykiatri, Akademiska sjukhuset
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- von Knorring, Lars (författare)
- Uppsala universitet,Psykiatri, Akademiska sjukhuset
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- Jansson-Fröjmark, Markus (författare)
- Stockholms universitet,Klinisk psykologi,Institutionen för Psykologi, Stockholms Universitet
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(creator_code:org_t)
- 2016-08-18
- 2016
- Engelska.
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Ingår i: Chronobiology International. - : Informa UK Limited. - 0742-0528 .- 1525-6073. ; 33:10, s. 1331-1339
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- A delayed sleep-wake and circadian rhythm often occurs during puberty. While some individuals only develop a delayed sleep phase (DSP), others will fulfill the criteria for the diagnosis of delayed sleep phase disorder (DSPD). All previous studies have however not separated DSP from DSPD, and, as a result, the prevalence and associated factors are largely unknown for the two conditions individually. We estimated the prevalence of DSP and DSPD in a Swedish cohort of adolescents and young adults. We also investigated associated factors in the two conditions relative to each other and individuals with no DSP. A questionnaire regarding sleep patterns, demographics, substance use/abuse and symptoms of depression, anxiety, worry and rumination was sent to 1000 randomly selected participants (16-26 years of age) in Uppsala, Sweden (response rate = 68%). DSP was defined as a late sleep onset and a preferred late wake-up time. The DSPD diagnosis was further operationalized according to the Diagnostic and Statistical Manual of Mental Disorders, Edition 5 (DSM-5) criteria including insomnia or excessive sleepiness, distress or dysfunction caused by the DSP and that the sleep problem had been evident for 3 months. DSP occurred at a frequency of 4.6% and DSPD at a frequency of 4% in the investigated cohort. DSP was more common in males and was associated with not attending educational activity or work, having shift work, nicotine and alcohol use and less rumination. DSPD was equally common in males and females and was associated with not attending educational activity or work and with elevated levels of anxiety. Both DSP and DSPD appear to be common in adolescents and young adults in this Swedish cohort. No educational activity or work was associated with both DSP and DSPD. However, there were also apparent differences between the two groups in shift work, substance use and mental health, relative to persons with no DSP. Thus, it seems reasonable to assess DSP and DSPD as distinct entities in future studies.
Ämnesord
- SAMHÄLLSVETENSKAP -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Nyckelord
- delayed sleep phase
- delayed sleep phase disorder
- associated factors
- occupational status
- shift work
- substance use/abuse
- Psychology
- psykologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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