Hypothesis -variable Example
Example of Hypothesis, Variables, and Definitions
The purpose of this study is to investigate the impact of screening and education on GDM
for pregnant women with a diagnosis of GDM on the incidence of neonatal complications.
Pregnant women with a diagnosis of GDM who receive screening and education on
GDM will have a decreased incidence of neonatal complications as compared to pregnant
women with a diagnosis of GDM that do not receive screening and education of GDM.
Identification of Variables and Target Population
The independent variables are education and screening. The dependent variable is
incidence of neonatal complications. The target population is pregnant women that have been
diagnosed with GDM.
Definition of Terms
Gestational Diabetes Mellitus
Theoretical Definition- the condition of glucose or carbohydrate intolerance in a woman
initially diagnosed during pregnancy (Mulholland, Njoroge, Mersereau, and Williams 2007).
GDM can also be defined as having fasting blood glucose of greater than 126 mg/100 ml or a
random blood glucose of greater than 200 mg/100ml (Cheng & Caughey, 2008).
Operational Definition- A specific diagnosis of GDM given by a physician that has been
determined by a patient’s risk factors, fasting or random blood glucose results, a positive oral
glucose tolerance test (OGTT), or a positive glucose control test (GCT).
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