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INTRODUCTION: Longitudinal studies can provide timely and accurate information to evaluate and inform COVID-19 control and mitigation strategies and future pandemic preparedness. The Optimise Study is a multidisciplinary research platform established in the Australian state of Victoria in September 2020 to collect epidemiological, social, psychological and behavioural data from priority populations. It aims to understand changing public attitudes, behaviours and experiences of COVID-19 and inform epidemic modelling and support responsive government policy. METHODS AND ANALYSIS: This protocol paper describes the data collection procedures for the Optimise Study, an ongoing longitudinal cohort of ~1000 Victorian adults and their social networks. Participants are recruited using snowball sampling with a set of seeds and two waves of snowball recruitment. Seeds are purposively selected from priority groups, including recent COVID-19 cases and close contacts and people at heightened risk of infection and/or adverse outcomes of COVID-19 infection and/or public health measures. Participants complete a schedule of monthly quantitative surveys and daily diaries for up to 24 months, plus additional surveys annually for up to 48 months. Cohort participants are recruited for qualitative interviews at key time points to enable in-depth exploration of people's lived experiences. Separately, community representatives are invited to participate in community engagement groups, which review and interpret research findings to inform policy and practice recommendations. ETHICS AND DISSEMINATION: The Optimise longitudinal cohort and qualitative interviews are approved by the Alfred Hospital Human Research Ethics Committee (# 333/20). The Optimise Study CEG is approved by the La Trobe University Human Ethics Committee (# HEC20532). All participants provide informed verbal consent to enter the cohort, with additional consent provided prior to any of the sub studies. Study findings will be

In this study we investigated how social anxiety and expressed friendship relate to the perceived friendship network of adolescent girls. We define an expressed friendship as a friendship choice made by an individual, and a perceived friend as one whom the individual perceives as choosing them as a friend; expressed and perceived friends need not be the same. We applied Exponential Random Graph Models (ERGMs) to understand effects of social anxiety and expressed friendship on structural patterns of the perceived friendship network, aiming to shed light how social anxiety and expressed friendship choices relate to cognitive perceptions of the social environment (in terms of perceived friendship partners). Participants were 94 year-nine students recruited from an all-female high school in Melbourne, Australia. Results indicated that socially anxious students were similar to other students in terms of their number of perceived friends but were themselves less popular in the perceived friendship network. High anxiety students perceive friendship from low anxiety alters. Expressed and perceived friendship ties tended to be congruent so that students expressed friendship to partners who they perceived would nominate them as friends. Furthermore, students tended to be accurate in understanding their social environment in that perceived friends did tend to nominate them. Socially anxious students did not differ markedly from other students in terms of congruence and accuracy, although congruence was less likely in in ties from high anxiety to low anxiety students. The results indicate the ways in which social anxiety influences how students perceive their friendship relations.

Burnout is commonly associated with professions that entail a high rate of close relationships with other individuals or groups. This paper explores the association between burnout and interpersonal relationships using a relational, social network framework. We collected data on advice-seeking relationships among 102 teachers and administrative staff from a secondary school in Melbourne, Australia. Burnout was measured using the Burnout Assessment Tool and we focused on four core subscales: (1) exhaustion; (2) mental distance; (3) emotional impairment; and (4) cognitive impairment. We applied a particular class of statistical model for social networks called Exponential Random Graph Models (ERGMs) to shed new light on how level of burnout relates to formation of advice relations among school staff. Results indicated that high levels of overall burnout were linked to a higher number of advice-seeking ties among school staff. Additionally, teachers who scored high in cognitive impairment (i.e., difficulties in thinking clearly and learn new things at work) tended to seek and to provide advice to a greater number of others. Finally, school staff who scored high in exhaustion (i.e., a severe loss of energy that results in feelings of both physical and mental exhaustion) tended to be sought out less as advisors to others, while those high in mental distance (i.e., psychologically distancing oneself from others) were generally less likely to seek advice from other school staff. We discuss these findings drawing on Conservation of Resource theory. Notably, our results show that burnout is not only an individual-level problem, but that burnout is associated with reduced social connectivity in specific ways that may impact on how other school staff collaborate, culminating in a staff-wide overall impact that affects how schools function.

In this commentary we argue that subjective reviews of gender differences, as opposed to empirical meta-analyses, can be more affected by influences which may not yield an objective evaluation of the available evidence, including the potential overrepresentation of articles that do versus do not find gender differences and lack of a systematic evaluation of factors that influence findings. We consider theoretical bases for considering shyness to be detrimental to the development and wellbeing of girls. These include perspectives that characterize girls as being particularly affected by their personal relationships and children of both genders as influenced by patterns of same-gender interaction. Some perspectives are helpful in conceptualizing why gender difference patterns can be nuanced over the course of development, across different outcomes, contexts, and historical periods. We also briefly consider the utility of diathesis × stress and differential susceptibility models in understanding gendered patterns of adjustment. We argue that reviews of gender differences in childhood shyness should address the gender difference paradox in childhood shyness and anxiety. That is, why are gender differences in the prevalence of shyness typically absent in early to middle childhood (as concluded in the review article), but girls and women consistently demonstrate higher rates of anxiety disorders, including social anxiety disorder, than their male counterparts in adolescence and adulthood? Finally, we conclude with comments encouraging researchers to consider the potential consequences of how they convey messages about gender differences in childhood shyness. We suggest how such information can be communicated in a responsible manner.