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Differences in beliefs about mood between people with and without bipolar disorder

Research output: Contribution to journalJournal article

E-pub ahead of print
<mark>Journal publication date</mark>14/08/2019
<mark>Journal</mark>Clinical Psychology and Psychotherapy
Number of pages11
Publication statusE-pub ahead of print
Early online date14/08/19
Original languageEnglish

Abstract

Psychological models of bipolar disorder (BD), such as the Self Regulation Model (SRM; Leventhal, Nerenz & Steele, 1984), highlight the crucial role of beliefs about mood in relapse vulnerability. To date, no studies have directly compared these beliefs between people with and without BD. Based on the SRM, the current research examined beliefs about mood in people with and without BD, and explored the impact of current affect on these beliefs. Fifty euthymic people with a diagnosis of BD and fifty controls were recruited through an online screening study, clinical services and support organisations. Experience Sampling Methodology (ESM) was used to assess beliefs (according to the Brief Illness Perceptions Questionnaire; Broadbent, Petrie, Main & Weinman, 2006) across a typical week of everyday life. Data were analysed using multilevel modelling. Forty‐two people with a diagnosis of BD and fifty controls were included in analyses. Results indicated that the BD group reported less control over mood; a shorter duration of mood; less understanding of mood; and were more likely to report the cause of depressive symptoms as something internal, compared to controls. When controlling for current affect, the BD group also reported more positive consequences, made more internal attributions for hypomanic symptoms and reported less concern about mood, compared to controls. Findings suggest important differences in beliefs about mood between people with and without BD that are not the result of current affect. These beliefs may be particularly important in understanding underlying vulnerability to future relapse into depression and/or mania.