The phrase "a factor that grows" is correct and usable in written English.
It can be used when discussing elements or variables that increase or develop over time in various contexts, such as economics, science, or personal development.
Example: "In our analysis, we identified a factor that grows significantly during periods of economic expansion."
Alternatives: "an increasing factor" or "a developing factor".
If we can identify health-spending-related factors that grew more rapidly or more slowly than in other nations, these may help explain why the growth in health spending surged more in the U.S. compared to these other nations.
There are many causes of the current crisis in A&E (waiting times are at a nine-year high, it was revealed yesterday), but alcohol is a factor that is growing in significance every year.
The complex geology of unique east-west transverse valleys ushers in fog and ocean breezes, making vineyards in this region some of California's coolest, a factor that extends the growing season and what's called grape "hang time" on the vine.
The growing urbanisation of the world population, referred to above, is a factor that will intersect frequently with the growing power of armed non-state actors.
We require that government consumption grow by a factor that is a product of the growth factor of population and the growth factor of productivity, so that a balanced growth path would be possible.
An article in the journal American Demographics in 1994, before the Web was a factor, calls the generation that grew up when Dwight D. Eisenhower was Supreme Commander and President the "Ikes," and says they "spend freely on grandchildren, new cars and homes and travel".
One trust factor that has grown in importance is the need to focus on material issues (up from 69%to74%4%).
Information from the hundreds of living species showed that metabolic rate - the sandwich factor - is higher in animals that grow faster.
Scientists fear the widespread use of antibiotics on farms may be a factor in the rise of "superbugs" - bacteria that grow resistant to drugs and infect humans.
