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ccnnieeee ccnnieeee
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5 years ago
We will be looking at a very important study from 2003 showing the association between consuming fiber and reducing the likelihood of heart disease and stroke. To begin, go to the article at http://archinte.jamanetwork.com/article.aspx?articleid=215976
You will first notice the title and author list. Next is the abstract, which summarizes the methods and results from this study.
Notice that they refer to the “National Health and Nutrition Examination Survey”, where have we heard about this before?

As you continue to read, you will next see the methods, please summarize these in your own words. Your summary should be at least several sentences in length.

Next you will see the results. Tables 1 and 2 outline the sample population and much total and soluble fiber they consumed. In tables 3 and 4 they begin to analyze stroke and heart disease events and fiber consumption. Notice that they have p-values listed in the far right column. 

What is a p-value? What is the cut off for significance using this measure?

In Table 3, which analyses are considered statistically significant? 

Sum up the results in a few sentences.

In the comments section the authors provide context to their findings. Are there other studies which support these findings? If so, write them below.

Overall, these data along with other studies suggest that increased fiber consumption has what impact on cardiovascular health?
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Educator
5 years ago
Many of these questions can easily be done; technically they're asking for summaries. I don't see my expertise in biology being helpful here. I suggest you do the questions, post your answers here, and I'll critique them.

Overall, these data along with other studies suggest that increased fiber consumption has what impact on cardiovascular health?

That's stated at the very end:

In conclusion, our findings suggest that a high dietary fiber intake, particularly of water-soluble fiber, is strongly and independently associated with a lower risk of CHD and CVD and mortality from these and other causes in a representative sample of the US noninstitutionalized population.
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