This suggests that the widening difference between participants and non-participants was not due to the positive benefits of participation but rather the negative consequences of non-participation.
The widening difference between measured height and predicted height can be owing to the fact that vertebral degeneration increases with age, leading to stature underestimation among the oldest olds.
Some support for this phenomenon is provided by the widening difference between Marin County and California in the proportion of live births to white mothers aged 30 years and older as compared with those aged younger than 30 years (ratio: 1.54 in 1994, and 1.60 in 2000) [ 14].
While Catholic authorities struggle against widening differences between Mexican society and the Vatican on issues like abortion, birth control and divorce, John Paul invokes admiration and reverence, from the highest levels of government to the poorest Mexican peasants.
Both measures, critics say, would widen differences between state schools in rich and poor areas.
Now the publication of a pair of photographs said to have been taken in his last hours has reopened that old wound and widened differences between the armed forces and the left-wing government that is now in office here.
(Davies et al, 2001; Dredge et al, 2002) The widening differences in survival between socioeconomic groups remain a concern.
What happened in 1984, 1992 and now 2012 has been a gradual professionalization of the company and a widening age difference between the creators and the performers.
A spokesman, Jeong Joon-Hee, said the North's new time zone could also hamper efforts to narrow widening differences between their countries.
There is some consolation in the fact that, even as the price gap has widened, differences in quality between top Bordeaux and Burgundy and the best of the rest of the world have narrowed.
For example, adjusting for SEP widened differences in incident and prevalent disability between older people of European and Indian Asian origin in West London, but attenuated differences between European and African Caribbean people (Williams et al. 2012).
