Bedroom Light Exposure at Night and the Incidence of Depressive Symptoms: A Longitudinal Study of the HEIJO-KYO Cohort
In: American Journal of Epidemiology, Jg. 187 (2017-07-31), S. 427-434
Online
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Zugriff:
Previous studies have indicated that minimal exposure to light at night (LAN) increases depression risk, even at 5 lux, in nocturnal and diurnal mammals. Although such low-level LAN may affect human circadian physiology, the association between exposure to LAN and depressive symptoms remains uncertain. In the present study, bedroom light intensity was measured objectively, and depressive symptoms were assessed, during 2010-2014 in Nara, Japan. Of 863 participants (mean age = 71.5 years) who did not have depressive symptoms at baseline, 73 participants reported development of depressive symptoms during follow-up (median, 24 months). Compared with the "dark" group (average of
| Titel: |
Bedroom Light Exposure at Night and the Incidence of Depressive Symptoms: A Longitudinal Study of the HEIJO-KYO Cohort
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| Autor/in / Beteiligte Person: | Saeki, Keigo ; Kurumatani, Norio ; Obayashi, Kenji |
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| Zeitschrift: | American Journal of Epidemiology, Jg. 187 (2017-07-31), S. 427-434 |
| Veröffentlichung: | Oxford University Press (OUP), 2017 |
| Medientyp: | unknown |
| ISSN: | 1476-6256 (print) ; 0002-9262 (print) |
| DOI: | 10.1093/aje/kwx290 |
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