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Integrative theorizing is needed to advance our understanding of the relationship between where a person lives and their mental health. To this end, we introduce a social identity model that provides an integrated explanation of the ways in which social-psychological processes mediate and moderate the links between neighborhood and mental health. In developing this model, we first review existing models that are derived primarily from a resource-availability perspective informed by research in social epidemiology, health geography, and urban sociology. Building on these, the social identity model implicates neighborhood identification in four key pathways between residents' local environment and their mental health. We review a wealth of recent research that supports this model and which speaks to its capacity to integrate and extend insights from established models. We also explore the implications of the social identity approach for policy and intervention. We need to understand the connection between where people live and their mental health better than we do. This article helps us do this by presenting an integrated model of the way that social and psychological factors affect the relationship between someone's neighborhood and their mental health. This model builds on insights from social epidemiology, health geography, and urban sociology. Its distinct and novel contribution is to point to the importance of four pathways through which neighborhood identification shapes residents' mental health. A large body of recent research supports this model and highlights its potential to integrate and expand upon existing theories. We also discuss how our model can inform policies and interventions that seek to improve mental health outcomes in communities. [ABSTRACT FROM AUTHOR]

Issue Addressed: Referral to supervised physical activity (PA) programs is an effective treatment for military service veterans (MSVs) suffering from a range of chronic diseases. However, many MSVs fail to maintain PA regimes once discharged from supervision. This pilot study assessed Active Choices, a stepped‐down program to support MSVs in the transition from allied health treatment to self‐managed PA. Methods: Participants were 34 Australian MSVs (mean [SD] age = 61 [15.8] years) who were completing supervised referral to an exercise physiologist or physiotherapist. MSVs stepped‐down to Active Choices and received a 12‐week, evidence‐based PA support program (2020–2021). Analyses compared within‐group changes in accelerometer‐assessed PA at three time points (Weeks 0, 12, and 24; linear mixed model). Program retention, PA choices, and allied healthcare service costs were also evaluated. Results: Relative to baseline (64 [26] min/day), mean (SD) moderate‐to‐vigorous PA increased (74 [28] min/day; p <.05) and was maintained (62 [28] min/day) at weeks 12 and 24, respectively. Retention in the program was high (86% [29/34 participants] completion rate at 12 weeks), with water‐based group activities the most popular PAs of choice (14/24 activities). Average allied healthcare service costs during the study were lower than typical costs for MSVs (60.51 vs. 97.06 AUD/week). Conclusion: The findings highlight the potential of Active Choices to support MSVs in the transition from supervised to self‐managed MVPA. So What?: The program could promote the health of veterans and reduce costs for ongoing referral if impact is replicated at scale. [ABSTRACT FROM AUTHOR]

Positive experiences of groups (e.g., the extent to which groups are important and supportive) tend to be associated with better retirement adjustment outcomes. However, group experiences are not always positive, and we know little about their varied contribution to adjustment outcomes. We addressed this gap by exploring the nature of social group memberships – in terms of varying positive and negative experiences of groups – to better understand how social group memberships shape retirement adjustment, life satisfaction and mental health. A latent profile analysis (using data from 489 retirees and their membership of 1887 groups) identified four profiles of social group memberships: optimal (63%), slightly straining (13%), low‐supportive (18%) and ambivalent (6%). Subsequent regression analysis showed that these different profiles of group membership were differentially associated with retirement adjustment outcomes: belonging to more optimal groups was associated with better perceived adjustment, higher life satisfaction and better mental health, while belonging to slightly straining and ambivalent groups contributed to poorer adjustment, lower life satisfaction and greater depression. These findings have implications for theory and practice, not least because they advance our understanding of the diversity of people's group memberships and their contribution to retirement and health outcomes. [ABSTRACT FROM AUTHOR]

Successful retirement adjustment requires careful planning in the lead up to this important life transition. While financial planning is routinely prioritized, evidence suggests that the social changes in retirement can be just as challenging to manage — if not more. GROUPS 4 RETIREMENT (G4R) is a new online intervention that addresses this gap by targeting the identity changes that people typically experience in retirement. This paper reports findings from two studies evaluating the acceptability and efficacy of this intervention. Study 1 (N = 89) used a pre‐post design to assess G4R and found that the intervention was positively evaluated by users and led to significant increases in their sense of thriving, perceived control, life satisfaction, anticipated retirement satisfaction, and planning intentions. Study 2 (N = 98) tested the intervention using an experimental design in which participants were randomly assigned to either G4R or a financial planning control condition. Results showed that G4R was as effective as financial planning in improving most outcomes and showed a clear advantage in increasing anticipated retirement satisfaction and intentions to engage in social and activities planning. Together, these studies provide initial evidence of the value of engaging in social identity‐focused social planning to support well‐being and preparedness in the lead up to retirement. [ABSTRACT FROM AUTHOR]

This study examined the effectiveness of a multiple group membership intervention for reducing the negative effects of age-based stereotype threat (ABST) on older adults’ objective memory performance and subjective memory concerns. Healthy older adults (N = 68) were randomly allocated to an ABST + threat-removal (ABST+TR) or ABST + active-control (ABST+AC) condition. After activating ABST, the ABST+TR condition completed a group-listing task and the ABST+AC condition completed a meal-listing task. Participants then completed the Rey Auditory Verbal Learning Test (RAVLT) and Everyday Memory Questionnaire – Revised. One significant difference was found in memory performance between conditions; specifically, after controlling for age, gender, and number of items listed, those in the ABST+TR condition performed significantly better on the RAVLT memory interference trial. Further, listing a greater number of group memberships was associated with better memory performance in the ABST+TR condition. No significant difference was found in subjective memory concerns between the ABST+TR condition and the ABST+AC condition. Overall, the current findings indicated that raising the salience of multiple group memberships offered limited protection for older adults’ cognitive test performance in the context of ABST. [ABSTRACT FROM AUTHOR]

The transition to veterancy can be psychologically challenging, and although the military provides support, the importance of social connectedness for well‐being is largely unrecognised. The significance of this oversight is highlighted by the Social Identity Model of Identity Change (SIMIC), which conceptualises life change as social identity change. SIMIC has been applied to numerous life transitions, but not to veterancy, although there is evidence that the social and psychological challenges of this transition may be especially profound (e.g., due to the chronically salient, highly structured and largely unique nature of military life and identity). To remedy this, in Study 1 (N = 210), UK‐based veterans completed an online survey. Consistent with SIMIC, social group maintenance and gain predicted mental health via the psychological resources they provided (meaning, self‐esteem, sense of personal control), and group gain was predicted by perceived military support during the transition. Study 2 (N = 14) extended these findings qualitatively through exploration of veterans' transition experiences. These studies are the first to apply aspects of the SIMIC to the veterancy transition, and they show the applicability of SIMIC in this context. They also highlight the need for transition‐related education that includes guidance on group joining and reconnecting. Please refer to the Supplementary Material section to find this article's Community and Social Impact Statement. [ABSTRACT FROM AUTHOR]

Alkali metal filament penetration into solid electrolytes causes short circuit induced cell failure, commonly evaluated using the bidirectional critical current density (CCD) test with stepwise increases in current density in alternating directions across symmetric lithium cells. However, the CCD is neither intrinsic to the cell nor to the material but rather depends on various extrinsic factors, such as current profile, transferred charge, pressure, resting intervals, and interface chemistry. The purpose of this study is to disambiguate the interpretation of CCD analyses in the literature and propose alternative approaches to analyze the stability and kinetics of the alkali metal/solid electrolyte interface. Two types of failure modes of electrochemical cells with solid electrolytes are defined: 1) failure of the solid electrolyte by crack formation coupled with or followed by dendrite growth, and 2) failure of the alkali metal electrode by the formation of pores at the interface with the solid electrolyte followed by filament initiation that eventually leads to short‐circuiting. Therefore, the study recommends that CCD tests specify the failure mode. It is demonstrated that unidirectional polarization enablesunambiguous differentiation between failure modes. The proposals for bi‐ and unidirectional testing presented here are expected to provide more reliable and consistent CCD values across the community. [ABSTRACT FROM AUTHOR]

Social factors are major determinants of the success of retirement transitions. However, we do not yet fully understand the nature and basis of this impact, particularly as it relates to social group belonging. To address this issue the present article investigated the role that social group memberships play in supporting people's health and well-being in the early phase of transitioning to retirement. More specifically, we drew on the social identity model of identity change (SIMIC) to examine two pathways in which social group processes are theorized to influence adjustment to life change—social identity continuity and social identity gain. To test these pathways, a sample of Australian workers who had transitioned to retirement in the last 12 months (N = 170) were surveyed about their (a) preretirement multiple group memberships and postretirement maintained and new group memberships and (b) their perceived physical health, mental health, and life satisfaction after retirement. While preretirement group memberships did not affect retirement outcomes directly, they supported them indirectly by enabling people both to maintain some existing group memberships and to gain some new group memberships postretirement; as predicted by SIMIC. These findings confirm the importance of social factors and of social group membership in particular, for retiree health and well-being. Theoretically, they support the generalizability of SIMIC and its capacity to explain adjustment to diverse life changes including retirement. Public Significance Statement: Social relationships have been shown to play an important role in supporting retirement outcomes, but how they do so is less clear. This study addresses this issue by testing theoretically derived predictions about the contribution that social group memberships before and after the retirement transition make to perceived mental health, physical health, and well-being. The findings show that outcomes are improved where retirees maintain valued old group memberships and gain new group memberships in the transition. These data highlight the importance of focusing on these social group ties in enhancing health and well-being in retirement. [ABSTRACT FROM AUTHOR]