"driving factor behind" is correct and usable in written English.
You can use it when you are referring to a motivating factor that drives someone to do something. For example: "The passion for justice was the driving factor behind her decision to become a lawyer."
it's not really the case, I think, that low interest rates were the driving factor behind the housing bubble.
Is the bottom line the driving factor behind the club allowing the middle school kids to push their sexuality?
The choices of white parents were likely to be the driving factor behind school segregation, Prof Burgess said, because white students make up 87% of school rolls.
But this may be a mixed blessing because the scramble for control of natural resources has been a driving factor behind civil wars in the region.
A driving factor behind job market blogging is the search engine Google, said Elizabeth Lawley, associate professor of information technology at the Rochester Institute of Technology.
The Matilda's beaming grin rarely disappears throughout the morning, an indication of the driving factor behind what has been an incredible rise in football.
We may emphasis that the landslide susceptibility maps with a high level of reliability are clearly important when seeking to explain the driving factors behind known landslides, as well as for supporting emergency decisions and efforts to mitigate future landslide hazards (Feizizadeh and Blaschke., 2012).
The tribulations of the Swiss underscore the importance of adhering to EU rules on immigration, an issue that has been one of the driving factors behind political discontent in the UK with the European project.
Thereafter it is demonstrated that these two ratios rather than actual dimensions are the driving factors behind pressurised tube behaviour.
The aim of this section is to explore which are the driving factors behind the decision on one instrument (if any) among the available list of possibilities.
