Sentences with phrase «confounding differences between the studies»

Even so, definitive conclusions can't be made from such a comparison due to a number of confounding differences between the studies.

Not exact matches

It came up at christmas dinner; at one point, the topic of breastfeeding came up, and my spouse's uncle started to say «I know breastfeeding reduces the risk of allergies later» and, expecting him to move on to obesity and IQ and whatever else he was about to say, I just said «No, that's not true», and started trying to explain the difference between correlation and causation, and the difficulties with prospective studies and confounding factors, etc..

I know it's really difficult to correct for confounding factors in a study like that but if we're really talking about «the future of mankind» shouldn't we be seeing some really profoundly alarming differences between the two?

Although breastfeeding in contemporary, industrialized nations is associated with higher social class, IQ differences between breastfed children and children not fed breast milk remain significant in most observational studies even after adjustments for class - related confounding factors (16, 17).

However there was some evidence that more pronounced treatment effects were associated with studies at higher risk of bias; this could potentially confound any differences between subgroups.

«We did not find any difference between children who received general anesthesia and spinal anesthesia, suggesting that the previous human studies may have been affected by confounding factors.»

Writing in a linked Comment, Dr Alexander C McFarlane, University of Adelaide, Australia, notes that «a potential confounding issue with this study design is the fact that by filling in the self - report measures, both groups had the opportunity to reflect on their obvious levels of symptomatic distress... which might have minimised the ability to find differences between groups.»

In discussing the limited evidence for the «probable» link between red meat and colorectal cancer, the WHO itself concedes that it is not possible to rule out other explanations (which it helpfully describes as «chance, bias or confounding»).2 Harcombe agrees, arguing that even when studies strive to adjust statistically for baseline differences in relevant factors such as socioeconomic status, body mass index, physical activity, smoking status and diabetes, it is impossible to grapple fully with all the factors that differentiate «the couch potato» from «the paleo buff» (her ideal), or to take into account the «chasm» that separates fresh and traditionally preserved meats from modern manufactured meat products.9

First, although the within - person design of these studies helps rule out the influence of between - person differences, and although we controlled for important within - person confounds, it remains possible that other confounding factors not controlled in our analyses account for the interactive effects of HC discontinuation.

Though the general trend of the data from this study supports the Cinderella effect, Anderson and colleagues note that the observed differences between parental investment in genetic children and stepchildren might be slightly reduced by a few confounding factors.

This study includes a rigorous active control condition meaning any differences between conditions can be confidently ascribed to improvements in executive functioning rather than other confounding factors.