The first columns just controls for race and gender.
In addition to the number of courses in natural science, engineering, and economics and the total number of courses taken, the first column for each group controls for race as well as gender.
There were no significant differences between the PCE-exposed dry cleaners and the laundry workers (unexposed controls) for race, current cigarette smoking status, or age.
Regression tables report results from multiple regression specifications that include a combination of controls for race, sex, age, income and household composition.
Low-income students, controlling for race, receive either no preference or a modest one, depending on which study you believe.
Martin Ford and other psychologists reported, after controlling for race and ethnicity, that children with unusual names did as well as others in school.
The study, which controlled for race, ethnicity, education and other factors, included 517 children with autism, 172 with developmental delays and 415 healthy controls.
Even after controlling for race, ethnicity, obesity, smoking, diabetes, exercise, cholesterol levels and blood pressure, the geographic variation in the inflammatory markers persisted.
After controlling for race, sex, underlying disease, flu vaccination status and other factors, the researchers found that those on statins had a 41 percent reduced risk of death compared with those who were not taking the medicine.
Even after controlling for race, family background and IQ, children of single mothers do worse in school than children of married parents, says Ms Hymowitz.Children whose father was never around face the toughest problems.
For example, while some studies control for race and ethnicity variables, others do not.
