The phrase "a factor that affects" is correct and usable in written English.
You can use it when discussing elements that influence or have an impact on a particular situation or outcome.
Example: "There are several factors that affect the growth of plants, including sunlight, water, and soil quality."
Alternatives: "an element that influences" or "a variable that impacts".
"There's only one other instance of a factor that affects this upregulation — and that's aging".
"Noise is a factor that affects the value, marketability and livability of a home or apartment," said Peter Bell, the president of Balch Buyers Realty in Mamaroneck, N.Y.
But the action against the two executives, he added, has transformed the accounting investigation into a factor that affects the company's future.
While there are cases of ethnographers who felt alienated or even repelled by the culture they entered, many perhaps most have come to identify closely with "their people," a factor that affects their objectivity.
In neither instance would aid actually be driving growth.To get around this problem, economists have long hunted for a factor that affects the amount of aid disbursed but is not otherwise correlated with growth an "instrumental variable", in the jargon.
The quality of services is also a factor that affects the choice of a healthcare provider.
The effect of milk sample preservation before testing was evaluated and may have been a factor that affected our observed results.
Conversely, invaded ecosystems may lack the natural competitors and predators that check invasives' growth in their native ecosystems, a factor that affected Guam snake populations.
One other factor that affected enrolment is household travel distance (distance was not qualified in the three studies that considered it as a factor that affect enrolment) to access health care.
I missed whether the authors looked at the use of medication as a factor that affected connectivity, as it may interact with the condition.
The representative ability of a calibration set is a major factor that affects the predictive performance of a multivariate regression.
