The phrase "absence since" is grammatically correct and can be used in written English.
Example: His absence since Monday has caused concern among his colleagues.
The Nets players, however, said they had prepared for Marbury's absence since the morning shoot-around.
Shockey has remained conspicuous by his absence since breaking his leg in December.
It had been a long absence since his early-career work as a regulator.
We had considered the possibility of Broughton's absence since the beginning of the week.
A second may be the absence, since 2009, of key individuals committed to the relationship in the White House.
But he questioned their absence since most of their key players were competing in Europe as recently as last week.
I've often worried that my frequent absences since the divorce would make her needy and less discriminating, but in fact, unlike me, she seems naturally sensible.
McGrath then accumulated seven absences since the beginning of September, although he said he was only sick for one of those days.
The patient is a 15-year-old boy with a history of childhood absence epilepsy (since 3 6) suffering from episodic tension headache, since the age of 11.
Malone was back after missing Friday's victory at Detroit with the flu -- his first health-related absence since 1989.
Its president, Richard Bergmann, who has been on a personal leave of absence since late June, is leaving the company, Manugistics said.
