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The Negative Binomial Distribution (NBD) is a model that describes consumer purchase frequency over time. This paper tests the applicability of this model to a novel context: physical activity behaviours (using data obtained from Australia, the United States, and Singapore). The fit of the NBD to the data demonstrates that physical activity behaviour is consistent with other consumer behaviour patterns. Within a one-week period, the majority of people are either non- or light-engagers of the different intensities of leisure-time physical activity. Yet, people are not 'active' or 'inactive', rather, degree of engagement varies. Infrequency of reported levels and variety of physical activities might be due to health promotion having a strong focus on rational persuasion and less focus on mass communication that builds mental availability. Our contribution broadens the applicability of the NBD showing it can be helpful for those seeking to promote health behaviours, not just purchases.

Purpose: To evaluate the performance of Facebook advertisements for a physical activity smartphone app at different times of the year. Design: A repeated cross-sectional study examined the cost and engagement levels of advertisements during 3 time points: Post-Easter April-May 2019, Pre-Summer October 2019, and New Year January 2020 . Setting: Advertisements were delivered on Facebook. Subjects: The target population was Australian females aged 25-60 years. Measures: Cost was evaluated in terms of reach per dollar. Engagement was evaluated in terms of click-through and app downloads per reach. Analysis: ANOVA and Chi-square were used to assess differences in reach per dollar, click-through, and app downloads per reach between time points. Results: Reach per dollar was highest in Post-Easter, but declined in Pre-Summer and New Year (reach/$ 34.8 vs 31.5 vs 27.5; p = .004). Click-through was highest in New Year followed by Post-Easter, then Pre-Summer (click-through 3.2% vs 1.9% vs 1.2%; p < .001). New Year and Post-Easter advertisements achieved higher app downloads per reach than Pre-Summer (downloads 0.9% vs 0.7% vs 0.3%; p < .001). Conclusion: Facebook advertisements were cheaper in the first time-point, and appear to be getting more expensive (i.e. declining reach/$). Advertisements in the New Year achieved the highest click-through and app downloads per reach, suggesting a useful time of year to promote physical activity products.

The community sector performs an important function in providing emergency food relief, yet food insecurity is often a chronic issue due to poverty and social exclusion. Progressive food provision models present opportunities to improve voluntary food relief services that are dominant in many countries. Informed by research with clients indicating a preference for blended service models that go beyond food provision, two government agencies partnered with a social enterprise and academics to pilot a social supermarket model. This research article (a) briefly summarizes international evidence on social supermarkets' characteristics and offerings, (b) describes a process used to collaboratively develop a social supermarket incorporating universal access and social supports, and (c) presents a rubric defining elements of a social supermarket. Applicable to other community sector settings, the rubric emphasizes dignified access and service, plus opportunities for social support and connection, which are important elements in pathways out of food insecurity.

Chronic food insecurity persists in high-income countries, leading to an entrenched need for food relief. In Australia, food relief services primarily focus on providing food to meet immediate need. To date, there has been few examples of a vision in the sector towards client outcomes and pathways out of food insecurity. In 2016, the South Australian Government commissioned research and community sector engagement to identify potential policy actions to address food insecurity. This article describes the process of developing a co-designed South Australian Food Relief Charter, through policy–research–practice collaboration, and reflects on the role of the Charter as both a policy tool and a declaration of a shared vision. Methods used to develop the Charter, and resulting guiding principles, are discussed. This article reflects on the intentions of the Charter and suggests how its guiding principles may be used to guide collective actions for system improvement. Whilst a Charter alone may be insufficient to create an integrated food relief system that goes beyond the provision of food, it is a useful first step in enabling a culture where the sector can have a unified voice to advocate for the prevention of food insecurity.