The phrase "also more difficult for" is correct and usable in written English.
It can be used when discussing challenges or obstacles that affect a particular group or individual in addition to other difficulties mentioned.
Example: "The new regulations are also more difficult for small businesses to comply with than for larger corporations."
Alternatives: "additionally harder for" or "further challenging for".
It is also more difficult for men because they are more reluctant to talk about their feelings, or how they are coping.
Higher interest rates make it not only more expensive but also more difficult for governments to borrow the money they need.
It is also more difficult for elements in the media to make gross generalisations, as so many more Muslims are now themselves part of the print and broadcast media.
But just as I am convinced that my wife's life while I was in prison was more difficult than mine, my own return was also more difficult for her than it was for me.
It's also more difficult for a solo writer; there's a reason why sitcoms in the United States have 10 or more writers and many of the best British sitcoms have been written by duos, such as Galton and Simpson or Clement and La Frenais (John Sullivan's Only Fools and Horses is a rare exception).
The Focus task, which consists in emphasizing one word in a sentence, was also more difficult for the HFA group, suggesting a problem with stress.
Furthermore, maintaining tissue viability and stability is also more difficult than for cell culture systems, where more optimal imaging conditions can easily be achieved.
Larger models and some newer architectures offer improved accuracy but are also more difficult to deploy for many applications due to increased computational cost at recognition time.
It may also become more difficult for sellers of protection to hedge themselves, reducing liquidity.
They are also technically more difficult for terrorists to acquire or make, the General Accounting Office pointed out in its 1999 study.
Finding enough electronics parts to recycle has also grown more difficult for Dowa, which procures used gadgets from around the world.
