But most have gotten around this problem by controlling for factors like genetics, smoking and age.
This remained true after controlling for factors like education, age, and gender.
The effect is strongest for parents with multiple children and holds up even after controlling for factors such as state economic conditions.
After controlling for factors such as a student's work experience and academic performance, the authors found that students' social networks strongly predicted their placement into leadership positions.
In both the MGH and French study groups, controlling for factors such as age and gender did not change the increased risk associated with the G allele.
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.
After controlling for factors including education and income, the scientists found that death rates increased in regions with more fine-particulate pollution and higher levels of ozone, a major component of smog — even if those areas met air-quality standards.
He and Katherine Milkman, a Penn colleague, analyzed the "most e-mailed" list for six months, controlling for factors like how much display an article received in different parts of the home page.
In comparing the groups, and after controlling for factors including level of job authority, the researchers found that men and women who switched to flexible scheduling and schedule autonomy all worked more overtime than those who worked a fixed schedule.
Controlling for factors such as salary, type of work, building owner/tenant, and geographic location, we found that workers in buildings that were green certified scored higher on the tests.
But these findings hold when controlling for factors such as the presence of peacekeepers, the occurrence of armed clashes, whether territory is disputed, the presence of mountains in an area and the presence of a major town in an area.
