This approach was designed to ensure that the sample of control spouses would have similar smoking habits as those in the study base; hence, differences between the recorded proportion of smokers in the case and control group can be used to calculate unbiased odds ratios.
As Americans gorge on imported cars, electronics, clothing and a long list of other goods from abroad, the nation's trade deficit has swollen to record proportions, leaving economists and policy makers increasingly troubled.
This was repeated 5000 times, recording the proportion of times L - E - X had the opposite sign from the mean deviation from the optimum.
Thanks to our reforms, a record proportion of top graduates are entering the profession.
Warner Bros reports that 89% of Gravity tickets were sold in 3D (includes IMAX 3D), a record proportion for any blockbuster released this year.
Americans have not been as worried about the future since 1978, it found, with a record proportion expecting their incomes to fall.
A27 BUSINESS DAY C1-22 $183 Billion Phone Deal Vodafone AirTouch of Britain, the world's biggest wireless telephone company, negotiated the acquisition of the German telecommunications giant Mannesmann in an all-stock transaction of record proportion.
With a record proportion of the UK population tuning into radio each week, four other BBC stations had their highest number of listeners since Rajar's methodology was introduced in 1999.
Then, 18 percent of those who voted were under 30 — just one percentage point more than in recent elections, contrary to the widespread belief that young voters made up a record proportion of the electorate.
The survey of 18,000 final year students at 30 universities reported a record proportion had started researching career paths as early as their first year of studies, and more of them undertook work experience to improve their chances of getting a good job after graduation.
