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Population Research

Journal Publication

This article was published with modifications in Community Genetics, 2003


Public Knowledge Regarding the Role of Genetic Susceptibility to Environmentally Induced Health Conditions

by Jill Morris, PhD, Marta Gwinn, MD, MPH, Mindy Clyne, MPH, Muin J. Khoury, MD,PhD


Appendix

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Component loadings for each composite variable derived from principal components analysis. Each composite variable is a weighted linear combination of survey variables with weights equal to the component loadings.

Survey Variables

Component Loading

“Awareness” Composite Variablea  

    It is important to me to be informed about health issues.

0.24

    I need to know about health issues so I can keep myself and my family healthy.

0.23

    When I am sick, I try to get as much information as possible about my disease.

0.23

    Before making a decision about my health, I find out everything I can about the issue.

0.23

    I frequently ask my doctor specific questions about my health.

0.22

    I really enjoy learning about health issues.

0.22

    When I take a medicine, I try to get as much information as possible about its benefits     and side effects.

0.22

    My doctor(s) and I work together to manage my health.

0.22

    I like to get health information from a variety of sources.

0.21

    To be and stay healthy it is critical to be informed about health issues.

0.21

    When I read or hear something that's relevant to my health care, I bring it up with my     doctor.

0.21

    My doctor provides me with practical health information.

0.21

    I make sure my doctor answers my questions in ways that I can understand.

0.20

    I make a point to read and watch stories about health.

0.20

    I have a good relationship with my health care provider.

0.19

    I discuss all possible treatment options with my doctor before deciding which treatment to     choose.

0.18

    My doctor is a good source of information about health issues.

0.17

    I feel better if I can confirm a health recommendation from several sources.

0.14

   I would like to see more TV shows use health problems and issues in their storylines.

0.11

    I leave it up to my doctor to make the right decisions about my health.

-0.08

    I rely on my doctor to tell me everything I need to know to manage my health.

-0.09

    I wish I felt more in control of my health.

-0.12

    I am overwhelmed by the amount of health information these days.

-0.12

    I often don't understand the language my doctor uses.

-0.13

    Most health issues are too complex for me to understand.

-0.14

    I have difficulty understanding a lot of health information.

-0.14

    I don't pay attention to health information unless it's about a problem I have.

-0.15

    There is too much media coverage of health issues.

-0.15

    I never seem to find good answers to my health questions and concerns.    

-0.17

    I don't have time to bother with learning have time to bother with learning a lot of     health information.

-0.19

Survey Variables

Component Loading

“Reliance” Composite Variablea

 

    I have difficulty understanding a lot of the health information that I read.

0.35

    Most health issues are too complex for me to understand.

0.33

    I rely on my doctor to tell me everything I need to know to manage my health.

0.29

    I don't pay attention to health information unless it's about a problem I have.

0.27

    I often don't understand the language my doctor uses.

0.25

    I never seem to find good answers to my health questions and concerns.

0.24

    I don't have time to bother with learning a lot of health information.

0.23

   There is too much media coverage of health issues.

0.22

    I am overwhelmed by the amount of health information these days.

0.22

   When I read or hear something that's relevant to my health care, I bring it up with my     doctor.

0.21

    I wish I felt more in control of my health.

0.21

    I frequently ask my doctor specific questions about my health.

0.21

    My doctor(s) and I work together to manage my health.

0.19

    I discuss all possible treatment options with my doctor before deciding which treatment to     choose.

0.17

    I leave it to my doctor to make the right decisions about my health.

0.16

    My doctor provides me with practical health information.

0.15

    I have a good relationship with my health care provider.

0.13

    I would like to see more TV shows use health problems and issues in their storylines.

0.12

    My doctor is a good source of information about health issues.

0.12

    When I am sick, I try to get as much information as possible about my disease.

0.10

    I make a point to read and watch stories about health.

0.10

    I feel better if I can confirm a health recommendation from several sources.

0.09

    Before making a decision about my health, I find out everything I can about the issue.

0.08

    I need to know about health issues so I can keep myself and my family healthy.

0.06

    When I take a medicine, I try to get as much information as possible about its benefits     and side effects.

0.06

    I make sure my doctor answers my questions in ways that I can understand.

0.06

    I really enjoy learning about health issues.

0.02

    I like to get health information from a variety of sources.

0.01

    To be and stay healthy it is critical to be informed about health issues.

-0.01

“Health Control” Composite Variableb

 

    I actively try to prevent diseases and illnesses.

0.52

    I do everything I can to stay healthy.

0.49

    Eating right, exercising, and preventive measures will keep me healthy for life.

0.44

    My health depends on how well I take care of myself.

0.44

    I wish I felt more in control of my health.

-0.31

a The “Awareness” and “Reliance” composite variables explain 30% and 8%, respectively, of the variance in the 30 survey variables from which they were created (together the two composite variables explain 38% of the variance).

b The “Health Control” composite variable explains 42% of the variance in the five survey variables from which it was created.
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Page last updated: November 2, 2007
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