By contrast, people living in low to middle income countries reported an 11% likelihood of having had the disease.
These people earn far more than the Government's definition of middle income.
According to this department, middle income for a family ranges from $32,000 to $53,000 a year.
How about helping the middle income and the poor for a change.
And most of our clients are middle income, as families pay for the service, not the government.
But those on low and middle incomes should benefit, or at least not be any worse off.
How much can a family earn and still be considered middle income?
He put it this way, "Giving more money to the middle income will help the local economy."
Various changes were also made to the tax system which benefited workers on low and middle incomes.
Now, 35 years later, people still consider figures of $25,000 to $50,000 a year as middle income.