The phrase "this is underpinned" is correct and usable in written English.
You can use it to emphasize the foundation on which something is built, usually with the help of evidence or facts. For example, "This research study is underpinned by extensive data analysis."
This is underpinned by a view that the people as a whole are too short-sighted or ill-educated to take responsibility for their long-term interests.Switzerland's experience suggests the opposite.
The Hindu right has mobilised Hindu women to lead some of its most violent attacks, but this is underpinned by a deeply patriarchal ideology in which women serve the nation as wives and mothers, and domestic violence is condoned.
This is underpinned by a broad literature review.
"This is underpinned by the strong relationship that England head coach Stuart Lancaster has with the directors of rugby.
This is underpinned by the numerous factors that must be considered in order to ensure safety and productivity.
This is underpinned by the observation that speciation is even more extensively recognized in proteins with high abundance.
This was underpinned by an initial three-year, £235m spending programme on outdoor play, to begin immediately.
This was underpinned by a thriving gay club scene, pounding the rigid beat of hi-NRG, fuelled by poppers.
However, this was underpinned by issuing millions of money-off vouchers to shoppers and offering sharp discounts on Black Friday, which led to police being called to stores.
This was underpinned by Underwood et al. [26] who described that diatom EPS production was, among others, dependent on the nutritional condition of the cells.
It found that the UK enjoyed a strong performance in terms of growth and employment until 2007 and that crucially this was underpinned by strong productivity growth.
