Equity of expenditure changes associated with a sweetened-beverage tax in Tonga: repeated cross-sectional household surveys.

BACKGROUND: The aim of this study was to examine changes in beverage expenditure patterns before and after a T$0.50/L sweetened-beverage (SB) excise was introduced in Tonga in 2013, by household income, household age composition and island of residence. METHODS: Two cross-sectional surveys involved households being randomly sampled (the Household Income and Expenditure Surveys in 2009 (n = 1982) and 2015/16 (n = 1800)). Changes in soft drink (taxed), bottled water, and milk (both untaxed) expenditure were examined namely: (i) prevalence of households purchasing the beverage; (ii) average expenditure per person (inflation-adjusted); (iii) expenditure as a proportion of household food budget; and (iv) expenditure per person as a proportion of equivalised income. RESULTS: The pattern found was of decreases in all soft drink expenditure outcomes and these appeared to be greater in low-income than high-income households for purchasing prevalence (- 30% and - 25% respectively, t-test p = 0.98), per-capita expenditure (- 37% and - 34%, p = 0.20) and food budget share (- 27% and - 7%, p = 0.65), but not income share (- 6% and - 32%, p = 0.71). The large expenditure increases in bottled water appeared to be greater in low-income than high-income households for purchasing prevalence (355 and 172%, p = 0.32) and food budget share (665 and 468%, p = 0.09), but greater in high-income households for per-capita expenditure (121 and 373%, p < 0.01) and income share (83 and 397%, p = 0.50). CONCLUSIONS: The sweetened-beverage tax was associated with reduced soft drink purchasing and increased bottled water expenditure. Low-income households appeared to have slightly greater declines in soft drink expenditure.

Sweetened beverage taxes and changes in beverage price, imports and manufacturing: interrupted time series analysis in a middle-income country.

BACKGROUND: The Pacific Island nation of Tonga (a middle-income country) introduced a sweetened beverage tax of T$0.50/L in 2013, with this increasing further in 2016 (to T$1.00/L), and in 2017 (T$1.50/L; US$0.02/oz). Given the potential importance of such types of fiscal intervention for preventing chronic disease, we aimed to evaluate the impact of these tax changes in Tonga. METHODS: Interrupted time series analysis was used to examine monthly import volumes and quarterly price and manufacturing 1 year after each tax change, compared with a counterfactual based on existing trends. Autocorrelation was adjusted for when present, and adjustments were made for changes in GDP per capita, visitor numbers, season and T$/US$ exchange rate. RESULTS: In the year after the 2013, 2016 and 2017 tax increases, the price of an indicator soft drink increased by 16.8% (95%CI: 6.3 to 29.6), 3.7% (- 0.6 to 8.3) and 17.6% (6.0 to 32.0) respectively. Imports of sweetened beverages decreased with changes of - 10.4% (- 23.6 to 9.0), - 30.3% (- 38.8 to - 20.5) and - 62.5% (- 73.1 to - 43.4) respectively. Juice imports changed by - 54.2% (- 93.2 to - 1.1), and sachet drinks by - 15.5% (- 67.8 to 88.3) after the 2017 tax increase. Tonga water bottling (T$) increased in value by 143% (69 to 334) after the 2016 tax increase and soft drink manufacturing increased by 20% (2 to 46, albeit 5% market share). CONCLUSIONS: Consistent with international evaluations of sugar-sweetened beverage taxes, the taxes in Tonga were associated with increased prices, decreased taxed beverages imports, and increased locally bottled water.

Cancer control in the Pacific: big challenges facing small island states.

This Series paper describes the current state of cancer control in Pacific island countries and territories (PICTs). PICTs are diverse but face common challenges of having small, geographically dispersed, isolated populations, with restricted resources, fragile ecological and economic systems, and overburdened health services. PICTs face a triple burden of infection-related cancers, rapid transition to lifestyle-related diseases, and ageing populations; additionally, PICTs are increasingly having to respond to natural disasters associated with climate change. In the Pacific region, cancer surveillance systems are generally weaker than those in high-income countries, and patients often present at advanced cancer stage. Many PICTs are unable to provide comprehensive cancer services, with some patients receiving cancer care in other countries where resources allow. Many PICTs do not have, or have poorly developed, cancer screening, pathology, oncology, surgical, and palliative care services, although some examples of innovative cancer planning, prevention, and treatment approaches have been developed in the region. To improve cancer outcomes, we recommend prioritising regional collaborative approaches, enhancing cervical cancer prevention, improving cancer surveillance and palliative care services, and developing targeted treatment capacity in the region.

Children's perspectives on the wicked problem of child poverty in Aotearoa New Zealand: a wearable camera study.

AIM: Child poverty is a wicked problem and a key determinant of health, but research on child poverty has relied largely on self-report methods and reports from parents or caregivers. In this study we aimed to assess aspects of child poverty using data collected by children using wearable cameras. METHOD: The Kids'Cam Project recruited 168 randomly selected children aged 11-13 from 16 randomly selected schools in the Wellington Region of Aotearoa New Zealand. Each child wore a wearable camera for four consecutive days, recording an image every seven seconds. We used negative binomial regression models to compare measures of household resources, harms, behaviours and built environment characteristics between children living in low socio-economic deprivation households (n=52) and children living in high socio-economic deprivation households (n=26). RESULTS: Compared with children living in conditions of low socio-economic deprivation, children living in conditions of high socio-economic deprivation captured significantly fewer types of fruit (RR=0.46), vegetables (RR=0.25), educational materials (RR = 0.49) and physical activity equipment (RR = 0.66) on camera. However, they lived in homes with more structural deficiencies (RR=4.50) and mould (no mould was observed in low socio-economic deprivation households). They were also less likely to live in households with fixed heating (RR=0.27) and home computers (RR=0.45), and more likely to consume non-core food outside home (RR=1.94). CONCLUSIONS: The children in this study show that children in poverty face disadvantages across many aspects of their lives. Comprehensive policies are urgently needed to address the complex problem of child poverty.

The lived experience of hotel isolation and quarantine at the Aotearoa New Zealand border for COVID-19: A qualitative descriptive study.

Hotel-based Managed Isolation and Quarantine (MIQ) is a key public health intervention in Aotearoa New Zealand's (NZ) COVID-19 border control strategy for returning citizens and permanent residents. We aimed to investigate the experience of transiting through MIQ in NZ, to inform future refinements of this type of system. A qualitative thematic analysis method was utilised to explore experiences in depth with seventy-five individuals who had undergone MIQ in NZ between April 2020 and July 2021. Participants were interviewed by telephone or Zoom or completed an online qualitative questionnaire. Interviews were audio recorded, transcribed and coded; questionnaire responses were sorted and coded. All data were subjected to thematic analysis. Three main themes described the key elements of the participants' experience of MIQ that influenced their overall experiences: 1) The MIQ process, 2) MIQ Hotels, and 3) Individual experience. The variation in participants' overall experience of MIQ was strongly influenced by their perceptions of how well the MIQ process was managed (including communication, flexibility, and compliance with disease prevention and control measures); and the quality of the hotels they were allocated to (in particular hotel staff, meals and information). This valuable insight into the experience of individuals in NZ MIQ hotels can inform better planning, management and implementation of the MIQ process for NZ and adds to the literature of countries utilising such strategies to minimise the transmission of COVID-19, whilst protecting the wellbeing of those using the system.

Life during lockdown: a qualitative study of low-income New Zealanders' experience during the COVID-19 pandemic.

AIM: This research explores the experience of low-income New Zealanders during the COVID-19 pandemic lockdown and their advice to the Government about addressing future pandemics. New Zealand had a rapid and effective lockdown that meant the virtual elimination of community transmission. METHOD: Twenty-seven semi-structured interviews were undertaken with low-income people in June-July 2020 immediately after lockdown was lifted. RESULTS: Life during lockdown was challenging for study participants. They were fearful of the virus and experienced mental distress and isolation. Most participants felt safe at home and reported coping financially while still experiencing financial stress. Participants were resourceful and resilient. They coped with lockdown by using technology, self-help techniques and support from others. New Zealand's welfare state ensured participants had access to health services and welfare payments, but there were challenges. Welfare payments did not fully meet participants' needs, and support from charitable organisations was critical. Participants were overwhelmingly positive about the Government's response and advised the Government to take the same approach in the future. This is a particularly reassuring finding from some of the most vulnerable New Zealanders. CONCLUSIONS: An early and hard lockdown, the welfare state, compassion and clearly communicated leadership were keys to a successful lockdown for the low-income people in this study. Research of the experience of low-income people during pandemics is critical to ensuring inequities in pandemic impact are mitigated.

Progress in the Pacific on sugar-sweetened beverage taxes: a systematic review of policy changes from 2000 to 2019.

OBJECTIVE: To systematically characterise sugar-sweetened beverage (SSB) tax policy changes in Pacific Island countries and territories (PICTs) from 2000 to 2019. METHODS: Medline, Google Scholar, Pacific Islands Legal Information Institute database, Factiva and news and government websites were systematically searched up to October 2019. Information was extracted on the date and SSB tax level change, tax type, included beverages, and earmarking; and checked for consistency with local experts. RESULTS: Three-quarters of PICTs had an SSB tax (n=16/21) and 11 of these were excise taxes that included both imported and locally produced beverages. The level of tax was over 20% in 14 jurisdictions. SSB tax was increased by more than 20 percentage points in eight PICTs. Most taxes were ad valorem or volumetric, three were earmarked and only two taxes targeted sugar-sweetened fruit juices. The majority of countries (14/21) had different tax rates for imported and locally produced beverages. CONCLUSIONS: More than three-quarters of PICTs have SSB taxes. More than one-third increased these taxes since 2000 at an amount that is expected to reduce soft drink consumption. Implications for public health: Despite high-quality tax design elements in some PICTs, SSB control policies could generally be strengthened to improve health benefits, e.g. by targeting all SSBs and earmarking revenue for health.

Assessing the Status of Diabetes Associations in the Pacific: A Starting Point for Strengthening Associations to Manage Diabetes.

This study aimed to assess the status of national diabetes associations in the Pacific Island Countries and Territories as a starting point for strengthening their development and effectiveness in the prevention and control of diabetes. This cross-sectional study was conducted in 21 Pacific Island Countries and Territories using a structured questionnaire that gathered information from national non-communicable diseases prevention and control focal persons on diabetes associations, organizational structure, funding sources, and ongoing activities to address diabetes. The overall status of national diabetes associations was assessed using standardized criteria. Of the 21 countries surveyed, 18 (86%) responded. Of these, 12 (67%; American Samoa, Northern Mariana Islands, Federated States of Micronesia, French Polynesia, Fiji, Guam, Nauru, Papua New Guinea, Marshall Islands, Solomon Islands, Tonga, and Vanuatu) have a national diabetes association. Half of the existing associations are fully functioning, while the remainder is either partially functioning or not functioning. Only 50% of existing associations have a regular funding source, and many lack clear visions and workable governance structures. This study fills a knowledge gap on the current status of associations and forms a baseline from which associations can be strengthened. It also draws attention to the need for Pacific leaders to invest and engage more in civil societies for better and effective diabetes care for all.

The Frequency and Context of Snacking among Children: An Objective Analysis Using Wearable Cameras.

Snacking is a common eating behaviour, but there is little objective data about children's snacking. We aimed to determine the frequency and context of children's snacking (n = 158; mean age = 12.6 years) by ethnicity, gender, socioeconomic deprivation and body mass index (BMI) children. Participants wore wearable cameras that passively captured images of their surroundings every seven seconds. Images (n = 739,162) were coded for snacking episodes, defined as eating occasions in between main meals. Contextual factors analysed included: snacking location, food source, timing, social contact and screen use. Rates of total, discretionary (not recommended for consumption) and healthful (recommended for consumption) snacking were calculated using negative binomial regression. On average, children consumed 8.2 (95%CI 7.4, 9.1) snacks per day, of which 5.2 (95%CI 4.6, 5.9) were discretionary foods/beverages. Children consumed more discretionary snacks than healthful snacks in each setting and at all times, including 15.0× more discretionary snacks in public spaces and 2.4× more discretionary snacks in schools. Most snacks (68.9%) were sourced from home. Girls consumed more total, discretionary and healthful snacks than boys, and Maori and Pacific consumed fewer healthful snacks than New Zealand (NZ) Europeans. Results show that children snack frequently, and that most snacking involves discretionary food items. Our findings suggest targeting home buying behaviour and environmental changes to support healthy snacking choices.

Wearing one for the team: views and attitudes to face covering in New Zealand/Aotearoa during COVID-19 Alert Level 4 lockdown.

INTRODUCTION Mass masking is emerging as a key non-pharmaceutical intervention for reducing community spread of COVID-19. However, although hand washing, social distancing and bubble living have been widely adopted by the 'team of 5 million', mass masking has not been socialised to the general population. AIM To identify factors associated with face masking in New Zealand during COVID-19 Alert Level 4 lockdown to inform strategies to socialise and support mass masking. METHODS A quantitative online survey conducted in New Zealand during April 2020 invited residents aged ≥18 years to complete a questionnaire. Questions about face masking were included in the survey. The sample was drawn from a commissioned research panel survey, with boosted sampling for Maori and Pacific participants. Responses were weighted to reflect the New Zealand population for all analyses. RESULTS A total of 1015 individuals participated. Self-reported beliefs were strongly related to behaviours, with respondents viewing face masking measures as 'somewhat' or 'very' effective in preventing them from contracting COVID-19 more likely to report having worn a face mask than respondents who viewed them as 'not at all' effective. The strongest barriers to face mask use included beliefs that there was a mask shortage and that the needs of others were greater than their own. DISCUSSION Highlighting the efficacy of and dispelling myths about the relative efficacy of mask types and socialising people to the purpose of mass masking will contribute to community protective actions of mask wearing in the New Zealand response to COVID-19.

Me'akai in Tonga: Exploring the Nature and Context of the Food Tongan Children Eat in Ha'apai Using Wearable Cameras.

Unhealthy food consumption is a key driver of the global pandemic in non-communicable diseases (NCDs). The Government of Tonga has prioritised NCD prevention due to the very high rates of NCDs in the Kingdom. This research examines the nature and context of the me'akai (food) consumed by Tongan children in Ha'apai using wearable cameras. Thirty-six randomly selected 11-year-old children used wearable cameras to record their lives for three days, as part of the wider Kids'Cam Tonga project. Images were analysed to assess the participants' food consumption according to a new data analysis protocol for Tonga. Core foods were defined as including breads and cereals, fresh fruit, vegetables, meat and alternatives, and staple vegetables. Non-core food types included confectionery, unhealthy snack foods, edible ices, and processed meat. Tongan researchers led the research in partnership with the Government of Tonga. Overall, children were observed to have consumed a mean of 4.5 (95% CI 3.3, 6.7) non-core and 2.3 (95% CI 1.8, 2.9) core foods per 10 h day, excluding mixed meals. Unhealthy snack foods, confectionary, and cookies, cakes, and desserts were the most commonly consumed non-core foods, and fresh fruit was the most frequently consumed core food. Snacking was the most frequent eating episode observed, with children snacking on non-core foods four times a day (95% confidence interval (CI) 2.5 to 6.2) compared to 1.8 (95% CI 1.3 to 2.6) core food snacks per day. Most commonly, children were observed eating at home, at school, and on the road while out walking. The most common sources of food were the home, other children, and the supermarket. On average, children consumed one purchased product per day, almost all (90%) of which were non-core. Children were also observed eating an average of just less than one mixed meal per day. Less than half (45.2%) of all mixed meals observed were traditional foods. This research illustrates the presence, and likely dominance, of energy-dense nutrient-poor (EDNP) foods in the diet of these Tongan children. It highlights a transition from a traditional diet and suggests that these children live in an obesogenic environment, one that promotes obesity as a normal response to an abnormal environment. The findings support efforts by the Government of Tonga for the implementation of a healthy School Food Policy, junk food taxes, and initiatives to ban the importation of EDNP foods. This study has relevance for other Pacific Island nations and all nations concerned with addressing obesity and other diet-related NCDs.

Timely and significant call for planetary health promotion.

The 2019 IUHPE Global Health Promotion Conference held in Rotorua New Zealand, provided an unparalleled opportunity to demonstrate the contribution of health promotion to the achievement of planetary health and sustainable development. This brief conference report outlines the intent of the two conference statements and calls for action by health promoters at all levels to integrate these principles into their everyday work.

Housing as a Determinant of Tongan Children's Health: Innovative Methodology Using Wearable Cameras.

Housing is a significant determinant of health, particularly in developing countries such as Tonga. Currently, very little is known about the quality of the housing in Tonga, as is the case with many developing countries, nor about the interaction between children and the home environment. This study aimed to identify the nature and extent of health risk factors and behaviours in Tongan houses from a child's perspective. An innovative methodology was used, Kids'Cam Tonga. Seventy-two Class 6 children (10 to 13-year-olds) were randomly selected from 12 randomly selected schools in Tongatapu, the main island. Each participating child wore a wearable camera on lanyards around their neck. The device automatically took wide-angled, 136° images of the child's perspective every seven seconds. The children were instructed to wear the camera all day from Friday morning to Sunday evening, inclusive. The analysis showed that the majority of Tongan children in the study live in houses that have structural deficiencies and hazards, including water damage (42%), mould (36%), and electrical (89%) and burn risk factors (28%). The findings suggest that improvements to the housing stock may reduce the associated health burden and increase buildings' resilience to natural hazards. A collaborative approach between communities, community leaders, government and non-governmental organisations (NGOs) is urgently needed. This research methodology may be of value to other developing countries.

Curbing the tide--non-communicable disease in the Pacific.

This paper assesses the introduction of several small-scale sentinel data surveillance approaches. These data assist with improving the understanding of casual factors related to the development of NCDs at the local level in the Pacific and the design of subsequent interventions. While individually the data may be of limited value due to methodological considerations, their conjoint use provides a reasonably strong database upon which to base interventions. Within the highly resource constrained environment of the Pacific, such approaches are feasible and practical, while also ensuring that local data to develop local solutions, are available to inform evidence based decision making.