Table 3.

Multivariate Analysis, Rheumatic Heart Disease Deaths in the Northern Territory, 1977–2005

Variable	Death Rate Ratio	95% CI
Indigenous status*	24.18	15.61 to 37.46
Female†	1.34	1.06 to 1.71
Age‡
Non-Indigenous	1.10	1.07 to 1.13
Indigenous	1.04	1.03 to 1.04
Year*
Non-Indigenous	0.93	0.88 to 0.97
Indigenous	0.98	0.97 to 1.00

^*Estimated at the median age of 50 years in 1991.

^†Compared with male.

^‡Single year of age.