Hypothesis -variable Example

Example of Hypothesis, Variables, and Definitions

Purpose Statement

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.

Hypothesis

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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