1、After adjusting for potential confounding factors, the corresponding risk reductions fell slightly to 28% and 32%.

2、Information on potential confounding factors was obtained from the interviews and medical charts.

3、Data on possible confounding factors were obtained from an extensive, structured interview.

4、These analyses depend on a number of potentially confounding factors such as nonstomatal transpiration and temperature.

5、We used Cox regression models to estimate the risk of cancer and adjust for potential confounding factors.

6、They found a 65% increased odds of mi associated with hypoglycemia within the previous two weeks, even after adjustment for potential confounding factors.

7、Adjusting for potential confounding factors, individuals on rosiglitazone had 15% higher rate of death and 13% higher risk of heart failure.

8、But once the researchers adjusted for confounding factors, the network dissolved; in Christakis and Fowler's paper, the happiness link remained unbroken.

9、Rat studies can be very useful in assessing human effects, because studies of people can be hampered by complex confounding factors which could include cigarette smoking, wealth or urban living.