HMS, HIC 2022 HSC 18 MC

The graph shows the mortality rate and projected trajectory to the year 2031 for Indigenous Australians.

Which of the following was the most significant factor that contributed to the trend in the mortality rate for Indigenous Australians from 1998-2005?

More Indigenous Australian students completed Year 12
The Australian Government's implementation of the Closing the Gap framework
Increased childhood immunisation rates among Indigenous populations in Australia
Improvement in the early detection and management of chronic disease for Indigenous Australians

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\( D \)

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D is correct: Early detection and chronic disease management directly reduces mortality rates.

Other Options:

A is incorrect: Education improvements have longer-term rather than immediate mortality impact.
B is incorrect: Closing the Gap was implemented after 2008, not 1998-2005.
C is incorrect: Immunisation affects childhood mortality, not overall population trends.

♦♦ Mean mark 40%.