Dental caries and previous hospitalisations among preschool children: findings from a population-based study in New Zealand
Early childhood caries (ECC) is a significant health problem in New Zealand, affecting 38% of 5-year-olds in 2017 and disproportionately larger rates of Pacific and Māori children compared with other ethnicities. Several other health conditions, particularly respiratory tract diseases, such as asthma and middle ear infections, have been found to increase the risk of ECC, defined as the presence of ≥1 decayed (non-cavitated or cavitated lesions), missing (due to caries) or filled tooth surfaces, i.e. dmft (decayed, missing, filled, teeth) score of ≥1 in any primary tooth. These researchers sought to determine the association between ECC and wider issues of social inequities and environmental factors, by examining hospitalisation(s) for avoidable medical conditions, including injury-related admissions that occurred during the first 6 years of life in all 5-year-old children living in northern New Zealand (Northland and Auckland). All 27,333 children had received school entry dental examinations between 1 January 2014 and 31 December 2015; 11,173 (40.9%) had ECC (dmft ≥1). ECC was more likely among children identifying as Māori or Pacific compared with European ethnicities and those living in Northland versus those living in Auckland, or who were living in areas without community water fluoridation and in the most deprived neighbourhoods, compared with children living in areas where the community water supply is fluoridated and in the least deprived neighbourhoods. Logistic regression analysis revealed a significant association between ECC and injury-related hospital admissions (adjusted OR 1.17; 95% CI, 1.07 to 1.27), but not with admissions for other medical and respiratory conditions.
An important study describing the extent of a significant health issue for our tamariki, and its associations with other substantial health problems. I wish the authors, or reviewers, had picked up on the term ‘non-European origins’ though, as it seems to suggest that the issue lies with the child’s ‘ethnic origins’, rather than the root and sociopolitical causes for dental inequities, including poverty and the environment.
Reference: N Z Med J 2019;132(1493):44-53
Upholding Te Tiriti, ending institutional racism and Crown inaction on health equity
This article acknowledges the institutional racism that pervades the New Zealand health system and proposes ways in which this problem can be effectively addressed and eradicated. The authors emphasise that institutional racism is a key determinant of health inequalities. They appeal to the Crown, which has the power to uphold the responsibilities of te Tiriti o Waitangi within the health sector and they call for the government to take action to end racism in New Zealand’s health system. This action can be undertaken in the form of planned, systems-based approaches, such as those that are currently being applied to child poverty and gender pay inequity. The authors believe that such action will end institutional racism against Māori and contribute to health equity.
It is wonderful to see that ‘equity’ is a priority in Aotearoa’s health strategies, and the re-establishment of the Māori Health Directorate within the Ministry. However, further action is required, as these authors suggest. A couple of great resources that may be of interest to readers working in this area include a critique of our government’s performance in racial discrimination reported by a UN Committee in 2017 and an overview of the evidence linking the primary domains of racism – structural racism, cultural racism, and individual-level discrimination – to mental and physical health outcomes.
Reference: N Z Med J 2019;132(1492):61-6
The health of older New Zealanders in relation to housing tenure: analysis of pooled data from three consecutive, annual New Zealand Health Surveys
These researchers pooled data from a total of 15,626 older adults (aged ≥55 years) who participated in the 2013/14, 2014/15 and 2015/16 rounds of the New Zealand Health Survey (NZHS), for this investigation into relationships between the housing tenure of this cohort and their health-related behaviours, physical and mental health. The study researchers compared owner-occupiers, private renters and public renters. The majority of the study sample were owner-occupiers (83.2%); private and public renters comprised 12.4% and 4.5% of the study sample, respectively. Compared with owner-occupiers, renters were more likely to be living alone and living on lower annual incomes. Moreover, the study researchers identified a health gradient for overall measures of physical and mental health, with public renters in the poorest health and owner-occupiers in the best health. Rates of renting were higher amongst females aged ≥75 years, Māori and Pacific people. The paper points out that these groups are particularly vulnerable to any negative impact of renting on health. It also notes that over time, the proportion of older renters has been increasing, which will have important implications for future health and housing policy.
Possible reasons for these findings include unstable tenure, with a high turnover of rentals in Aotearoa compared with other nations, and limited ability to make changes for health reasons (such as ramp installation, adequate heating/cooling, which are more likely to impact on independence and wellbeing as we age). Māori are also more likely to experience racism when looking for housing, creating further disadvantage when renting.
Reference: Aust N Z J Public Health 2019;43(2):182-9
Efficacy of an incentive intervention on secondary prophylaxis for young people with rheumatic fever: a multiple baseline study
This investigation used a multiple baseline design that followed the 77 participants (aged 14–21 years) with RF for a period of 15 months (3 months prior to intervention and 12 months afterwards). The study researchers sought to determine whether an incentive programme consisting of a mobile phone and monthly “top-up” (for data/calls) increased the number of secondary prophylaxis injections, increased texts/calls with nurses, reduced the number of visits to get a successful injection, less medicine wasted, and increased nurse satisfaction, compared to the baseline period prior to the intervention. All study participants were enrolled in an acute RF registry in the Waikato region and were classified by the number of injections at baseline as either fully adherent (all injections received and ≤1 late) or partially adherent. Following the intervention, injections were markedly increased and slightly decreased over time in the partially adherent cohort (p=0.003), while those classified as fully adherent maintained their high rate of injections. There was a similar pattern for satisfaction among the district nurses, who expressed higher rates of satisfaction with fully adherent patients than with those in the partially adherent cohort and, while nurses’ satisfaction for fully adherent patients fell slightly over time, satisfaction with partially adherent patients increased sharply post-intervention and then fell slightly over time (p=0.001). There was a significant increase throughout the intervention in the number of calls/texts placed by nurses to the partially adherent patients (p=0.003). The number of visits made by nurses fell over time with partially adherent patients and increased over time with fully adherent patients (p=0.012). The overall incremental cost-effectiveness for the 12-month study period was $NZ989 per extra successful injection.
Great to see a health delivery intervention being tested. The importance of supporting a good relationship between the clinical team and patient/whānau is also highlighted here.
Reference: BMC Public Health 2019;19:385
How universal are universal preschool health checks? An observational study using routine data from New Zealand’s B4 School Check
These researchers analysed data from 252,273 New Zealand children who completed a B4 School Check over 4 years, from 1 July 2011 to 30 June 2015. The study aimed to determine characteristics associated with non-participation in this universal preschool health screen. The study grouped the B4 School Check into 3 components: vision and hearing test (VHT) checks; nurse checks (height, weight, oral health, Strengths and Difficulties Questionnaire [SDQ] and parental evaluation of development status); and SDQ-Teacher check. Participation rates varied for each component of the B4 School Check (in 2014/2015, completion was highest at 91.8% for vision and hearing tests, followed by 87.2% for nurse checks and 62.1% for the SDQ-T), although participation rates for all components increased over time. The checks were less likely to be completed by Māori and Pacific children than by non-Māori and non-Pacific children (for VHTs: Māori: OR 0.60; 95% CI, 0.61 to 0.58; Pacific: 0.58; 0.60 to 0.56; for nurse checks: Māori: 0.63; 0.64 to 0.61; Pacific: 0.67; 0.69 to 0.65; and for SDQ-T: Māori: OR 0.76; 0.78 to 0.75; Pacific: 0.37; 0.38 to 0.36). Other characteristics that predicted a lower likelihood of participation in the B4 School Check included living in socioeconomically deprived areas, having younger mothers, living in rented homes and in larger households, having worse health status and living with higher rates of residential mobility, compared with children who completed the B4 School Check.
I agree with the authors in the respect that screening is an important part of the pathway from diagnosis to management to better outcomes, and that strategies to support health services to engage whanau in B4SCs is required. However, I’d also like to see a review of those two steps beyond ‘diagnosis’, i.e. appropriate referral to investigate and manage issues. Anecdotally, parents tell me that their concerns were often raised before or at the B4SC, but not actioned until much later.
Reference: BMJ Open 2019;9:e025535
Acceptability of self-taken vaginal HPV sample for cervical screening among an under-screened Indigenous population
These researchers used Kaupapa Māori (by Māori, for Māori) mixed methodology, involving hui (focus groups/interviews) and a survey, to assess the potential acceptability of HPV self-testing for never/ under-screened (self-reported no cervical screen in ≥4 years) among Māori women aged ≥25 years living in 4 regions throughout New Zealand. Community-based researchers ran hui with 106 women and the survey was completed by 397 women. Seventeen healthcare providers (HCPs) were interviewed. Although the majority (87.15%) of survey participants were enrolled with a primary health organisation (PHO) and 71.9% attended regularly, they did not attend regular cervical screening. The most frequently cited barrier to screening was a desire for bodily autonomy (retaining privacy, control over one’s body), including whakamā (embarrassment/ shyness/reticence). Around 75% of the survey participants reported being likely/very likely to do an HPV selftest and 90% indicated that they would be likely/very likely to attend follow-up if they receive a positive HPV test result. Women and HCPs in the hui emphasised the need for health literacy, cultural competence and empathetic support.
I’ve nothing more to say except please sign my clinic up!
Reference: Aust N Z J Obstet Gynaecol 2019;59(2):301-7
An affront to her Mana: young Māori mothers’ experiences of intimate partner violence
This Kaupapa Māori (by Māori, for Māori) investigation used a thematic and interpretive phenomenological analysis to explore and understand the lived realities of 6 young Māori mothers (aged 14–19 years) who have experienced intimate partner violence (IPV) and to examine the extent to which service responsiveness has been culturally safe. These mothers were participating in the E Hine longitudinal maternal healthcare study and consented to narrative interviews for this research. Their stories revealed ways in which young Māori women resist violence, reclaim their Māori identities, and experience personal transformation during their motherhood journeys despite abuse. The stories also showed that whānau (extended family) can both perpetuate violence and be extremely protective. The analysis demonstrated that structural and institutional barriers prevent culturally safe service responsiveness for young Māori women. For example, they described racism at the frontlines of government agencies and pervasive victim-blaming. The researchers identified a lack of earnest decolonial structural change at the institutional level.
A really difficult and challenging issue to confront or address in a manaenhancing way. I read this and found that the womens’ narratives were presented in ways that were sensitive and strong, sad yet uplifting. Nga mihi nui to Dr Fiona Cram, one of the authors recently recognised in the NZ Honours list.
Reference: Interpers Violence 2018 December 17. [Epub ahead of print]
Trends in myeloma incidence, mortality and survival in New Zealand (1985–2016)
This analysis included all new registrations of and deaths from myeloma recorded by the Ministry of Health, New Zealand, between 1985 and 2016. A total of 7,826 New Zealanders were registered with myeloma during the study period. Since 1985, the incidence of myeloma has significantly increased since 1985; the age-specific incidence of myeloma increased significantly for men. The incidence of myeloma is higher among Māori and in non-Māori, and higher in men than in women. Overall mortality rates have fallen since the late 1990s. Throughout the study period, mortality rates were uniformly higher among men compared with women. Mortality has fallen since 1995–1999 for women, and since about 2000–2004 for men. Myeloma mortality was highest in Māori men. While survival has improved significantly since 1990, the risk of death remains higher among Māori than among non-Maori.
Having lost a whānau member to myeloma last year – haere, haere, haere atu ra e te rangatira e Quyen – this is a health issue close to my heart. A similar pattern to that of other cancers – higher incidence, poor survival rates – so further research is recommended.
Reference: Cancer Epidemiol 2019;60:55-9