mammoexp {TH.data} | R Documentation

## Mammography Experience Study

### Description

Data from a questionaire on the benefits of mammography.

### Usage

    data(mammoexp)

### Format

A data frame with 412 observations on the following 6 variables.

ME

  Mammograph experience, an ordered factor with levels `Never` < `Within a Year` < `Over a Year`

SYMPT

  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`

PB

  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.

HIST

  Mother or Sister with a history of breast cancer; a factor with levels `No` and `Yes`.

BSE

  Answers to the question: ‘Has anyone taught you how to examine your own breasts?’ A factor with levels `No` and `Yes`.

DECT

  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`.

### Source

Hosmer and Lemeshow (2000). Applied Logistic Regression, 2nd edition. John Wiley & Sons Inc., New York. Section 8.1.2, page 264.

[Package TH.data version 1.0-7 Index]