Walking the talk: evaluating the alignment between Australian governments' stated principles for working in Aboriginal and Torres Strait Islander health contexts and health evaluation practice.

BACKGROUND: Stated principles in government policy documents serve as a set of values outlining how governments intend to work. As such, health planning principles should be reflected in health policy across the cycle of planning, implementation and evaluation. Such principles should be reflected in the process of governments commissioning and funding evaluation, and in the work of those commissioned to do evaluation on behalf of governments. METHODS: We reviewed health planning policy documents to identify principles Australian State and Territory and National governments stated as being important to the work they do within Aboriginal and Torres Strait Islander health contexts. Evaluation tenders and reports relating to Aboriginal and Torres Strait Islander health policy, programs and service for the period 1-Jan-2007 to 1-Jan-2017 were retrieved and assessed as to whether they embedded principles governments state as important. RESULTS: In Aboriginal and Torres Strait Islander health planning policy contexts, Australian governments outline shared responsibility, cultural competence, engagement, partnership, capacity building, equity, a holistic concept of health, accountability, and evidence-based as fundamental principles that will underpin the work they will do. In total, we identified 390 publicly advertised evaluation tenders, but were only able to retrieve 18 tenders and 97 reports. Despite strong rhetoric placing importance on the abovementioned principles, these were not consistently embedded in tenders released by government commissioners, nor in reports largely commissioned by governments. Principles most widely incorporated in documents were those corresponding to Closing the Gap - accountability, evidence-based and equity. Principles of holistic concept of health, capacity building, cultural competence and partnership do not appear well applied in evaluation practice. CONCLUSION: Notwithstanding the tensions and criticism of current practice that sees dominant governments policing Aboriginal and Torres Strait Islander populations and defining what principles should inform health policy and evaluation practice, this paper reveals shortcomings in current evaluation practice. Firstly, this paper reveals a lack of transparency about current practice, with only 2% of tenders and 25% of reports in the public domain. Secondly, this paper reveals that governments do not 'walk the talk', particularly when it comes to principles relating to Aboriginal participation in health.

Effect of a health literacy intervention trial on knowledge about cardiovascular disease medications among Indigenous peoples in Australia, Canada and New Zealand.

OBJECTIVES: To assess the effect of a customised, structured cardiovascular disease (CVD) medication health literacy programme on medication knowledge among Indigenous people with, or at high risk of, CVD. DESIGN: Intervention trial with premeasures and postmeasures at multiple time points. SETTING: Indigenous primary care services in Australia, Canada and New Zealand. PARTICIPANTS: 171 Indigenous people aged ≥20 years of age who had at least one clinical diagnosis of a CVD event, or in Canada and Australia had a 5-year CVD risk ≥15%, and were prescribed at least two of the following CVD medication classes: statin, aspirin, ACE inhibitors and beta blockers. INTERVENTION: An education session delivered on three occasions over 1 month by registered nurses or health educators who had received training in health literacy and principles of adult education. An interactive tablet application was used during each session and an information booklet and pill card provided to participants. PRIMARY OUTCOME MEASURES: Knowledge about the CVD medications assessed before and after each session. RESULTS: Knowledge at baseline (presession 1) was low, with the mean per cent correct answers highest for statins (34.0% correct answers), 29.4% for aspirin, 26.0% for beta blockers and 22.7% for ACE inhibitors. Adjusted analyses showed highly significant (P<0.001) increases in knowledge scores between preassessments and postassessments at all three time points for all medication classes. For the four medications, the absolute increases in adjusted per cent correct items from presession 1 to postsession 3 assessments were 60.1% for statins, 76.8% for aspirin, 71.4% for ACE inhibitor and 69.5% for beta blocker. CONCLUSIONS: The intervention was highly effective in contextually diverse Indigenous primary healthcare services in Australia, Canada and New Zealand. The findings from this study have important implications for health services working with populations with low health literacy more generally. TRIAL REGISTRATION NUMBER: ACTRN12612001309875.

Nutritional predictors of successful chronic disease prevention for a community cohort in Central Australia.

OBJECTIVE: To investigate biomarkers of nutrition associated with chronic disease absence for an Aboriginal cohort. DESIGN: Screening for nutritional biomarkers was completed at baseline (1995). Evidence of chronic disease (diabetes, CVD, chronic kidney disease or hypertension) was sought from primary health-care clinics, hospitals and death records over 10 years of follow-up. Principal components analysis was used to group baseline nutritional biomarkers and logistic regression modelling used to investigate associations between the principal components and chronic disease absence. SETTING: Three Central Australian Aboriginal communities. SUBJECTS: Aboriginal people (n 444, 286 of whom were without chronic disease at baseline) aged 15-82 years. RESULTS: Principal components analysis grouped twelve nutritional biomarkers into four components: 'lipids'; 'adiposity'; 'dietary quality'; and 'habitus with inverse quality diet'. For the 286 individuals free of chronic disease at baseline, lower adiposity, lower lipids and better dietary quality components were each associated with the absence at follow-up of most chronic diseases examined, with the exception of chronic kidney disease. Low 'adiposity' component was associated with absence of diabetes, hypertension and CVD at follow-up. Low 'lipid' component was associated with absence of hypertension and CVD, and high 'dietary quality' component was associated with absence of CVD at follow-up. CONCLUSIONS: Lowering or maintenance of the factors related to 'adiposity' and 'lipids' to healthy thresholds and increasing access to a healthy diet appear useful targets for chronic disease prevention for Aboriginal people in Central Australia.

The metabolic syndrome and CVD outcomes for a central Australian cohort.

We investigated if the metabolic syndrome (MetS) and its component risk factors predict cardiovascular disease (CVD) for Aboriginal people from central Australia. WHO (HR 2.83), NCEP (1.80) and IDF (2.47) definitions of the MetS all had positive associations with CVD, however offered little above individual MetS components for hyperglycaemia.

Suicide ideation and attempt in a community cohort of urban Aboriginal youth: a cross-sectional study.

BACKGROUND: There has been increasing attention over the last decade on the issue of indigenous youth suicide. A number of studies have documented the high prevalence of suicide behavior and mortality in Australia and internationally. However, no studies have focused on documenting the correlates of suicide behavior for indigenous youth in Australia. AIMS: To examine the prevalence of suicide ideation and attempt and the associated factors for a community1 cohort of Koori2 (Aboriginal) youth. METHOD: Data were obtained from the Victorian Aboriginal Health Service (VAHS) Young People's Project (YPP), a community initiated cross-sectional data set. In 1997/1998, self-reported data were collected for 172 Koori youth aged 12-26 years living in Melbourne, Australia. The data were analyzed to assess the prevalence of current suicide ideation and lifetime suicide attempt. Principal components analysis (PCA) was used to identify closely associated social, emotional, behavioral, and cultural variables at baseline and Cox regression modeling was then used to identify associations between PCA components and suicide ideation and attempt. RESULTS: Ideation and attempt were reported at 23.3% and 24.4%, respectively. PCA yielded five components: (1) emotional distress, (2) social distress A, (3) social distress B, (4) cultural connection, (5) behavioral. All were positively and independently associated with suicide ideation and attempt, while cultural connection showed a negative association. CONCLUSIONS: Suicide ideation and attempt were common in this cross-section of indigenous youth with an unfavorable profile for the emotional, social, cultural, and behavioral factors.

Exploring clinical predictors of cardiovascular disease in a central Australian Aboriginal cohort.

INTRODUCTION: For Aboriginal populations, predicting individuals at risk of cardiovascular disease (CVD) is difficult due to limitations and inaccuracy in existing risk-prediction algorithms. We examined conventional and novel risk factors associated with insulin resistance and the metabolic syndrome and assessed their relationships with subsequent CVD events. DESIGN: Longitudinal cohort. METHODS: Aboriginal people (n = 739) from Central Australia completed population-based risk-factor surveys in 1995 and were followed up in 2005. Principal components analysis (PCA), regression and univariate analyses (using ROC defined cut-off points) were used to identify useful clinical predictors of primary CVD. RESULTS: PCA yielded five components: (1) lipids and liver function; (2) insulin resistance; (3) blood pressure and kidney function; (4) glucose tolerance; and (5) anti-inflammatory (low fibrinogen, high HDL cholesterol). Components 2, 3 and 4, and age were significant independent predictors of incident CVD, and smoking approached significance. In univariate analysis fasting glucose ≥ 4.8 mmol/l, total:HDL cholesterol ratio ≥ 5.7, non-HDL cholesterol ≥ 4.3 mmol/l, gamma-glutamyl transferase ≥ 70 U/l, albumin creatinine ratio ≥ 5.7 mg/mmol, systolic blood pressure ≥ 120 mmHg and diastolic blood pressure ≥ 70 mmHg were useful predictors of CVD. The co-occurrence of three or more risk variables (fasting glucose ≥ 4.8 mmol/l, total:HDL cholesterol ratio ≥ 5.7, blood pressure (systolic ≥ 120 mmHg; diastolic ≥ 70 mmHg; albumin:creatinine ratio ≥ 5.7 mg/mmol and smoking) had sensitivity of 82.0% and specificity of 59.9% for predicting incident CVD. CONCLUSION: Age is the strongest predictor of CVD for this population. For clinical identification of individuals at high risk, screening for the combination of three or more of hyperglycaemia, dyslipidaemia, hypertension, albuminuria and smoking may prove a useful and efficient strategy.

Lipid treatment guidelines and cardiovascular risk for Aboriginal people in Central Australia.

OBJECTIVE: To evaluate the extent to which the current Pharmaceutical Benefits Scheme (PBS) guidelines for patient eligibility for lipid-lowering medication are applicable to Aboriginal people in Central Australia. DESIGN, SETTING AND PARTICIPANTS: A 10-year cohort study of 659 Aboriginal people who participated in population-based cardiovascular disease (CVD) risk factor surveys in 1995 and who were free of CVD at baseline, for the period from 1995 to 2004-2005 or until first CVD event. Evidence of atherosclerotic CVD (ischaemic heart disease, ischaemic stroke, and peripheral vascular disease) was sought from hospital, primary health care and death records. PBS eligibility was assigned according to the current PBS criteria, which were amended in 2006 to include Aboriginal-specific criteria, using participants' baseline (1995) and 10-year follow-up data. MAIN OUTCOME MEASURES: Proportions of PBS-eligible and PBS-ineligible participants who had CVD events during the study period; sensitivity and specificity of the criteria. RESULTS: Of 42 participants who had CVD events during the study period, 35 were PBS-eligible (incidence, 1130/100 000 person-years; relative risk compared with PBS-ineligible population, 4.87 [95% CI, 2.19-10.80]) and seven were PBS-ineligible. PBS eligibility was associated with older mean age (37 v 32 years) and male sex (48% v 37%), with 50.7% of participants (334/659) meeting eligibility criteria. The mean high-density lipoprotein cholesterol level at baseline was very low in both groups (0.81 v 0.87 mmol/L). The current PBS guidelines have low specificity (52%) in this population, which was found to improve (to 71%-82%) by incorporating additional non-lipid criteria (age and multiple non-lipid risk factors). CONCLUSION: The current PBS lipid treatment criteria, which include any Aboriginal person with diabetes and less stringent cholesterol thresholds than the previous version, identify a group at very high risk of CVD. Global risk assessment may better identify those at risk.