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Populations and Risk

Last time we talked about the difference between incidence and prevalence.  Today, we will look at how we can use these descriptive measures to understand differences in risk. Remember from Monday that the population is the group of individuals you would like to learn about. As midwives, we are often interested in specific groups of [...]

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Call For Abstracts

ACNM sent out the call for Abstracts for the 60th Annual Meeting yesterday. If you are a member you should have received the email. Full details can be found at the ACNM site. If not, look for updates at the ACNM website.

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Understanding Data – the measure

We need to talk about what might be considered the “back end” of statistics. That is, how did the data come to be? Types of Observations Data is simply a collection of variables, grouped by observation.  In health care, the observation is usually a “case” or a “person”. Researchers make each observation in a variety [...]

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Learning to Read Carefully

I ran into an infographic titled A Breakdown of Birth in the U.S.A. I wanted to like it, but the information on the poster is misleading. It does make a great little demonstration of  how to learn to question what you read. If you haven’t opened the infographic yet, put it in a new window [...]

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Descriptive Statistics

Most of the research we are interested in as midwives is inferential – meaning we draw conclusions about a group of people based on the results.  However, descriptive statistics are still very helpful. Descriptive statistics help us organize and summarize information.  For example, the number of births attended by midwives is a descriptive statistic. We [...]

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Understanding Data – the variable

A big part of understanding the statistics in research is understanding what is behind the data. What the data actually is, and how you obtain the data determine the types of statistical tests you will use. If you have been reading research, you probably already have an idea about most of the terms we will [...]

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What is Statistics

When I first began to read original research papers, I would skim over the statistical part to get to the conclusions.  I understood statistics enough to tell if group A and B were different, and since the rest didn’t make sense to me I skipped it. I’m a little wiser now, and have a strong [...]

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Obesity and Midwifery Practice Issues

I did not want to leave the topic of obesity without talking about how it affects midwifery practice. Because of the increased cost, time and risk involved in providing care to an obese woman, some obstetricians have BMI restrictions for their practice – instead requiring women with high BMIs attend a high risk, maternal fetal [...]

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Midwives and Obesity

This week we have been talking about pre-pregnancy obesity. We looked at the increasing rates of obesity, then talked about the physiology of obesity and how it increases risks during pregnancy. Today we will turn our attention to what midwives can do. How do we provide the best evidence-based care for obese women? Midwives don’t [...]

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Reducing Risks of pre-pregnancy Obesity

We discussed the increased risks of pre-pregnancy obesity, and the physiology behind those risks. Today we will look at how to reduce those risks. The problem is that reducing risk is out of the midwives hands. Really, the answer seems to be that you have to somehow convince the woman to make the dietary and [...]

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