The phrase "albeit less frequently" is correct and usable in written English.
It is typically used to introduce a contrast or concession in a sentence. You can use it whenever you want to acknowledge a limitation or exception to a statement that you are making. It can be used in both formal and informal writing. Example: "John was a highly motivated employee, albeit less frequently on Mondays when he struggled to get back into work mode after the weekend."
Young Turks projects will continue to happen – they will be cooking in Turin at the end of October – albeit less frequently, and McHale and Lowe remain enthusiastic about their alliance.
Dementia can occur at any age – albeit less frequently in younger people – and more than a million people set to be affected by dementia in the UK by 2021.
Yet higher productivity and repeat success does happen in nonfiction as well, albeit less frequently.
Other, albeit less frequently reported, studies have shown little or no effects.
Although practices for rabbit control had changed from 1995 to 2001, shooting (practised by 85% of respondents) remained the predominant method used (albeit less frequently than in 1995).
This relates to a third albeit less frequently discussed mechanism through which tags might plausibly reduce theft: by increasing the effort required of offenders (mentioned in two studies).
She wrote back (albeit much less frequently), letters detailing her daily activities, which he read over and over; if it hadn't been for those letters, he was sure he'd have gone mad.
But with cases of abuse and improper conduct being reported up until 2009 - albeit much less frequently than in the 1960s and 1970s - the NHS has a lot of soul-searching to do.
Insulin therapy is also associated with hypoglycemia, albeit much less frequently than in type 1 diabetes.
Hypoplasia of one of the two umbilical arteries also occurs, albeit much less frequently (0.03% of pregnancies).
Although the Type I pattern predominated in the pgl-1 mutant (56% of gonads at 25°), the Type I pattern was also seen in some wild-type gonads cultured at high temperatures for 24 hr, albeit much less frequently (11% of gonads; Figure S4). Figure 6, A and B shows such an example from a wild-type worm cultured at 26.5°.
