Sentences with phrase «detect small associations»

However, they identified small numbers of late miscarriages and stillbirths, hence limiting the power to detect small associations and leading to considerable uncertainty in the size of the association14.

Not exact matches

They will now be entering a period of rapidly increasing mortality,» said Lumey, «and this will provide significantly more study power in the future to detect small but important associations between famine exposure by stage of gestation and even more narrowly defined causes of death.»

The power to detect association might have been limited due to small sample size.

The associations between high versus low consumption of decaffeinated coffee and lower risk of type 2 diabetes21 and endometrial cancer40 were of a similar magnitude to total or caffeinated coffee, and there was a small beneficial association between decaffeinated coffee and lung cancer.48 The other outcomes investigated for decaffeinated coffee showed no significant associations, though it should be noted that meta - analyses of consumption would have much lower power to detect an effect.

However, small changes in the neighbourhood environment across short time periods (< 5 years) are a challenge in longitudinal research as they provide low statistical power to detect associations.

However, the results suggest that contact - only CSA may produce a significant association with parenting stress and that studies including both contact and non-contact CSA may need larger sample sizes to detect smaller effects.