Background Prior research has shown that anxiety symptoms predict later depression symptoms following bereavement. Nevertheless, no research has investigated mechanisms of the temporal relationship between anxiety and later depressive symptoms or examined the impact of depressive symptoms on later anxiety symptoms following bereavement. Methods The current study examined perceived emotional social support as a possible mediator between anxiety and depressive symptoms in a bereaved sample of older adults (N = 250). Anxiety and depressive symptoms were measured at Wave 1 (immediately after bereavement), social support was measured at Wave 2 (18 months after bereavement), and anxiety and depressive symptoms were also measured at Wave 3 (48 months after bereavement). Results Using Bayesian structural equation models, when controlling for baseline depression, anxiety symptoms significantly positively predicted depressive symptoms 48 months later, Further, perceived emotional social support significantly mediated the relationship between anxiety symptoms and later depressive symptoms, such that anxiety symptoms significantly negatively predicted later emotional social support, and emotional social support significantly negatively predicted later depressive symptoms. Also, when controlling for baseline anxiety, depressive symptoms positively predicted anxiety symptoms 48 months later. However, low emotional social support failed to mediate this relationship. Conclusions Low perceived emotional social support may be a mechanism by which anxiety symptoms predict depressive symptoms 48 months later for bereaved individuals.

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According to several interpersonal theories of depression, excessive reassurance-seeking is one way depressed individuals may contribute to relationship deterioration, particularly in romantic relationships. The present study is the first behavioral investigation of the hypothesis that reassurance-seeking induces negative affect in interaction partners in real time. This study also investigates potential affective precursors to reassurance-seeking behaviors. A videotaped discussion task completed by 121 women and their male romantic partners was behaviorally coded to assess reassurance-seeking and affect in both members of the couple. Female depression was measured via self-report. Results indicated that the association between female reassurance-seeking and male partner’s subsequent anxiety approached statistical significance, but no other significant relations between reassurance-seeking and partner affect were found. Additionally, female anxious affect positively predicted subsequent reassurance-seeking, and depression symptoms moderated this relation. Unexpectedly, the relation between anxious affect and reassurance-seeking was stronger among women with less severe depression symptoms. Our findings support integrated and revised theories of reassurance-seeking and underscore the need to further investigate reassurance-seeking behavior in real-time interactions.