His own social health index is one of the most systematic nationwide surveys.

Not students, but their parents, according to a nationwide survey of teachers.

A nationwide survey last year of 2,000 food products found that almost 20 percent did not meet national health standards.

Our recent nationwide survey found that working parents say balancing job and family is their biggest daily challenge.

Employers cut 59,715 jobs last month, the lowest number since November 2000, according to a nationwide survey.

In a nationwide survey, 75 percent approved of raising production to bring down prices.

In a nationwide survey, 6,000 people were asked to name the worst food in 1989.

A nationwide survey found that the percentage of last year's college students who had ever played video games was 100.

The main reason is "economic constraints," the nationwide survey found.

I also noted the Mayor's call for a nationwide survey of race relations.