"controlled for factors" is a correct and usable phrase in written English.
It is typically used in scientific or academic writing, particularly in research studies, to indicate that certain variables or factors have been taken into consideration and accounted for in the results. Example: "The study controlled for factors such as age, gender, and socioeconomic status to ensure an accurate analysis of the data."
Roberts said that his study controlled for factors such as individual and country-specific attitudes to sex and relationships.
The results were the same even after the researchers controlled for factors like age and racial differences.
The researchers, who controlled for factors like humidity and the amount of sleep subjects got the night before, also found that the more time a person spent outside in warm temperatures, the less likely they were to yawn.
Once the researchers controlled for factors like age, sex, race, ethnicity, income and poverty levels, they found that variations in spending resulted primarily from the cost of individual drugs prescribed, rather than overall volume of prescriptions.
It examined, and combined the results of, 148 previous studies that followed some 300,000 individuals for an average period of 7.5 years each, and controlled for factors such as age and pre-existing illness.
Our 2007 report, "Behind the Pay Gap," which controlled for factors flagged by Ms. Sommers, like education and experience, found that college-educated women earn less than men with comparable backgrounds.
The researchers then control for factors such as GDP and distance, isolating free-trade deals as a variable.
After controlling for factors like smoking, body mass index, physical activity and diet, the researchers found that people who regularly took a siesta had a 37percentt lower coronary death rate than those who never napped.
Last year, the state comptroller's office released a study analyzing districts' spending compared with their academic performance, attempting to control for factors like demographics, size and regional costs.
It does allow us to control for factors that vary between countries and between certification programs.
