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Health status indicators > Diabetes


Table 20: Diabetes indicators

Indicator
Māori
non-Māori
Males
Females
Total
Males
Females
Total
Diabetes prevalence (self-reported), 15+ years, 2002/03, percent 1,2 *
6.9
(4.4-9.3)
5.1
(3.3-7.0)
6.2
(4.7-7.6)
2.6
(2.1-3.2)
2.1
(1.7-2.6)
2.4
(2.0-2.7)
Diabetes complications - renal failure with concurrent diabetes, 15+ years, 2002-04, rate per 100,000 1,3 *
96.5
(87.8-105.9)
72.8
(65.7-80.5)
83.9
(78.3-89.8)
10.4
(9.6-11.2)
7.7
(7.0-8.4)
9.0
(8.5-9.5)
Diabetes complications - lower limb amputation with concurrent diabetes, 15+ years, 2002-04, rate per 100,000 1,3 **
43.0
(37.2-49.4)
24.2
(20.2-28.8)
33.1
(29.6-36.9)
10.2
(9.5-10.9)
3.5
(3.1-3.9)
6.7
(6.3-7.0)
Notes:1 Age-standardised to 2001 Census total Māori population.
2 Prioritised Māori ethnic group - see Methods and Data Sources section for further information.
3 Ever-Māori ethnic group - see Methods and Data Sources section for further information.
Sources:* 2002/03 New Zealand Health Survey
** New Zealand Health Information Service

The self-reported prevalence of diabetes was two-and-a-half times higher among Māori than among non-Māori (RR 2.6, CI 1.9–3.2). However, ethnic disparities for diabetes complications (renal failure and lower limb amputations) are disproportionately higher than for prevalence.

Population rates of renal failure with concurrent diabetes (aged 15+) were 9.4 times higher in Māori compared with non-Māori (RR 9.4, CI 8.6–10.2). While some of this difference can be attributed to the higher prevalence of diabetes among Māori, the disproportionately higher rate would suggest that Māori with diabetes are more likely to have renal failure than non-Māori with diabetes. This can be estimated by dividing the relative risk of renal failure by the relative risk of prevalence (ie, 9.4 ÷ 2.6), which suggests that among people with diabetes, Māori are three-and-a-half times more likely to have renal failure than non-Māori.

Similarly, population rates of lower limb amputation with concurrent diabetes were five times higher for Māori compared with non-Māori (RR 5.0, CI 4.4–5.6). Therefore, among people with diabetes, lower limb amputations for Māori can be estimated as occurring at nearly twice the rate of non-Māori (ie, 5.0 ÷ 2.6).


Table 21: Get Checked Programme indicators

Māori
non-Māori
Access to Get Checked Programme as a percentage of people estimated to have diagnosed diabetes*
36.9
65.5
Effectiveness (HbAlc less than or equal to 8% as a percentage of all accessing Get Checked) *
59.7
73.2
Notes: Crude percentages are presented; no age standardisation has been carried out. Prioritised Māori ethnic group - see Methods and Data Sources section for further information. Gender breakdown now available. Access to programme calculated using prevalence estimates for 2003 as the denominator, and number accessing the programme in 2004 as the numerator.
Source: * Get Checked Programme, Ministry of Health

The Get Checked Programme was launched in June 2000 and aims to improve the health of people with diabetes through regular free checks of the person’s physical health, life style, and management of the disease.

Access to the Get Checked Programme was lower for Māori compared with non-Māori with diabetes (37 percent of Māori, 66 percent of non-Māori, estimated by modelling). Once on the programme, Māori received similar access to recommended testing such as blood glucose, retinal screening and blood pressure. However, the effectiveness of the programme, as assessed by an HbA1c less than or equal to 8 percent, appears better for non-Māori than for Māori.

For more infomation about Diabetes see www.diabetes.org.nz