There is indeed some fluidity in sexuality over time, predominantly among women.
Self harm is on the rise too, again predominantly among girls.
"I don't believe that talent resides predominantly among males, or among the upper classes," Ms. Richardson said.
The biggest crime story was drugs, and intravenous drug use in Baltimore occurred predominantly among African-Americans.
Obama also said he regretted civilian deaths - which have been predominantly among the Palestinians.
Lodge excludes fiction set predominantly among students, such as Beerbohm's delightful Zuleika Dobson and Evelyn Waugh's various skewering visits to academe.
Since then, he has been seeking new alliances, predominantly among religious Shiite groups, who could help provide Mr. Chalabi, a secular Shiite, with a new political base.
Household debt is getting worse predominantly among the lowest paid, despite claims by George Osborne that the UK's economic recovery is not fuelled by debt.
Why so few of those who are infected with West Nile virus become sick and why severe cases tend to develop predominantly among elderly people are only two of the disease's many riddles.
This hyper-violent street culture is not confined to the capital and reproduces itself in poor, multiply deprived areas of our inner cities; predominantly among young men locked into a highly precarious existence.
That does not mean, however, that such a conception is necessarily of recent origin but rather that it probably existed at an early period in places where there was no literate tradition (predominantly among pastoral cultures).
