The incidence increases steadily until age 65 years, when the rate levels off.

The incidence of poverty in the country increased during this time.

The incidence of problems increased over time and did not plateau.

The incidence of diabetes increased by 50 percent in the past 10 years.

The incidence of the disease is increasing rapidly; a 2009 study found a 30% increase in 7 years.

Since 1990, incidence of this disease has increased, and it is now recognized in Europe.

Studies have shown that incidence of dry eyes increases with age.

Beginning in 2003, the incidence of new cases has increased more sharply each year.

The incidence of this cancer has increased dramatically, especially in patients younger than 40 years.

The incidence of type 1 diabetes has been increasing by about 3% per year.