PMID- 26614534 OWN - NLM STAT- MEDLINE DCOM- 20160712 LR - 20181202 IS - 1399-5618 (Electronic) IS - 1398-5647 (Print) IS - 1398-5647 (Linking) VI - 17 IP - 8 DP - 2015 Dec TI - Social rhythm disrupting events increase the risk of recurrence among individuals with bipolar disorder. PG - 869-79 LID - 10.1111/bdi.12351 [doi] AB - OBJECTIVES: As outlined in the social zeitgeber hypothesis, social rhythm disrupting (SRD) life events begin a cascade of social and biological rhythm disruption that may lead to the onset of affective episodes in those vulnerable to bipolar disorder. Thus, the study of SRD events is particularly important in individuals with this chronic condition. The purpose of the current study was to evaluate (i) the extent to which SRD life events increased the risk of recurrence of a bipolar mood episode, and (ii) whether the social rhythm disruption associated with the event conferred an increased risk of recurrence, after accounting for the level of threat associated with the life event. METHODS: We examined the effect of SRD events on recurrence during preventative treatment in a sample of 118 patients with bipolar disorder who achieved remission from an acute episode after receiving psychotherapy and pharmacotherapy. Life events were measured with the Bedford College Life Events and Difficulty Schedule and were rated for degree of SRD and threat. RESULTS: Time-dependent Cox proportional hazards models showed that having a higher SRD rating was significantly associated with an increased risk of recurrence, even when accounting for the threat effect of a life event and psychosocial treatment (hazard ratio = 1.33, 95% confidence interval: 1.04-1.70, p = 0.023). However, this finding fell below conventional levels of statistical significance when accounting for other covariates. CONCLUSIONS: Our findings lend partial support to the social zeitgeber hypothesis. CI - (c) 2015 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd. FAU - Levenson, Jessica C AU - Levenson JC AD - Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. FAU - Wallace, Meredith L AU - Wallace ML AD - Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. FAU - Anderson, Barbara P AU - Anderson BP AD - Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA. FAU - Kupfer, David J AU - Kupfer DJ AD - Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. FAU - Frank, Ellen AU - Frank E AD - Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. AD - Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA. LA - eng GR - R01 MH029618/MH/NIMH NIH HHS/United States GR - MH29618/MH/NIMH NIH HHS/United States GR - K01MH096944/MH/NIMH NIH HHS/United States GR - T32 HL082610/HL/NHLBI NIH HHS/United States GR - HL082610/HL/NHLBI NIH HHS/United States GR - R37 MH029618/MH/NIMH NIH HHS/United States GR - K01 MH096944/MH/NIMH NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural DEP - 20151128 PL - Denmark TA - Bipolar Disord JT - Bipolar disorders JID - 100883596 RN - 0 (Psychotropic Drugs) SB - IM MH - Adult MH - Bipolar Disorder/*diagnosis/psychology/therapy MH - Depression/*diagnosis MH - Diagnostic and Statistical Manual of Mental Disorders MH - Female MH - Humans MH - *Life Change Events MH - Male MH - Middle Aged MH - Psychiatric Status Rating Scales MH - Psychotropic Drugs/therapeutic use MH - Recurrence MH - Risk Assessment/methods MH - Socioenvironmental Therapy/methods MH - Sociological Factors MH - Statistics as Topic PMC - PMC4702482 MID - NIHMS744776 OTO - NOTNLM OT - life events OT - mood OT - recurrence OT - social rhythms OT - social zeitgeber OT - threat EDAT- 2015/11/29 06:00 MHDA- 2016/07/13 06:00 PMCR- 2016/12/01 CRDT- 2015/11/29 06:00 PHST- 2015/01/21 00:00 [received] PHST- 2015/09/16 00:00 [revised] PHST- 2015/09/28 00:00 [accepted] PHST- 2015/11/29 06:00 [entrez] PHST- 2015/11/29 06:00 [pubmed] PHST- 2016/07/13 06:00 [medline] PHST- 2016/12/01 00:00 [pmc-release] AID - 10.1111/bdi.12351 [doi] PST - ppublish SO - Bipolar Disord. 2015 Dec;17(8):869-79. doi: 10.1111/bdi.12351. Epub 2015 Nov 28.