Admittedly, I haven't done much research into it, but in the few instances of "worry for" that I have seen "worry" is a noun and not a verb.
Wired News: Source of Worry for Microsoft
Source of Worry for Microsoft
With more than $32 billion in sales last year, Microsoft doesn't usually worry about losing one customer.
InfoWorld Tech Watch | InfoWorld | Oracle move a worry for Red Hat | October 25, 2006 03:24 PM | By Neil McAllister
Oracle move a worry for Red Hat
Don't call it Oracle Linux! The database vendor won't be packaging its own distribution of the open source OS, but Oracle CEO Larry Ellison announced at Oracle OpenWorld this afternoon that his company will be offering full support for Linux under a new "Unbreakable Linux" campaign.
Chicago Tribune news | Registration
New worry for Sox fans: Handling life at the top
There will be nothing more to worry about for South Siders who have made worrying as involuntary as blinking.
Salt Lake Tribune - College merger spells worry for tech schools
College merger spells worry for tech schools
The College of Eastern Utah soon will merge with the Southeast Applied Technology College, much to the ire of many technology college stakeholders.
MiamiHerald.com | 11/10/2006 | Shootout drought a worry for Panthers
Shootout drought a worry for Panthers
Wushu: Ankle injury a worry for Eng Chong
Wushu: Ankle injury a worry for Eng Chong
Macular Degeneration a Worry for Aging Americans - AOL News
Macular Degeneration a Worry for Aging Americans
Corruption a Worry for 75% of Global Citizens: Angus Reid Global Monitor
Corruption a Worry for 75% of Global Citizens
I did find one instance of "worry for" in which "worry" is used as a noun, thus:
Q&A: Benazir Bhutto on Pakistan's Future - Newsweek: World News - MSNBC.com
‘I Worry for Pakistan’s Future’
After a decade in exile, former prime minister Benazir Bhutto is itching to get back into politics—and fearful of militant Islam’s growing influence.
~R