Data from a questionaire on the benefits of mammography.
data(mammoexp)
A data frame with 412 observations on the following 6 variables.
Mammograph experience, an ordered factor with
levels Never
< Within a Year
< Over a Year
Agreement with the statement:
`You do not need a mamogram unless you develop symptoms.'
A factor with levels Strongly Agree
, Agree
,
Disagree
and Strongly Disagree
Perceived benefit of mammography, the sum of five scaled responses, each on a four point scale. A low value is indicative of a woman with strong agreement with the benefits of mammography.
Mother or Sister with a history
of breast cancer; a factor with levels No
and
Yes
.
Answers to the question:
`Has anyone taught you how to examine your own breasts?'
A factor with levels No
and Yes
.
Answers to the question:
`How likely is it that a mammogram
could find a new case of breast cancer?'
An ordered factor with levels Not likely
<
Somewhat likely
< Very likely
.