Homework Help is Here – Start Your Trial Now!
Math
Probability
The Group Health Cooperative of Puget Sound is a consumer-owned cooperative founded in 1945. In 1978, a study was done wherein women who were aged 50 – 64 years at the time of the study were identified. Eight women were excluded from the study because of a prior history of breast cancer. Their use of conjugated estrogens was obtained from computerized prescription records. From 1978 to 1984, women hospitalized with pathologic diagnosis of fibrocystic breast disease were identified. The data are as follows: 1. Identify if the design is prospective or retrospective.

The Group Health Cooperative of Puget Sound is a consumer-owned cooperative founded in 1945. In 1978, a study was done wherein women who were aged 50 – 64 years at the time of the study were identified. Eight women were excluded from the study because of a prior history of breast cancer. Their use of conjugated estrogens was obtained from computerized prescription records. From 1978 to 1984, women hospitalized with pathologic diagnosis of fibrocystic breast disease were identified. The data are as follows: 1. Identify if the design is prospective or retrospective.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.2: Introduction To Probability
Problem 34E
See similar textbooks
icon
Related questions
Question

The Group Health Cooperative of Puget Sound is a consumer-owned cooperative founded in 1945. In 1978, a study was done wherein women who were aged 50 – 64 years at the time of the study were identified. Eight women were excluded from the study because of a prior history of breast cancer. Their use of conjugated estrogens was obtained from computerized prescription records. From 1978 to 1984, women hospitalized with pathologic diagnosis of fibrocystic breast disease were identified. The data are as follows:

1. Identify if the design is prospective or retrospective.

2. Compute and interpret the ratio measure of association

Estrogen Use Non-users Users Number with fibrocystic breast disease 108 34 Total person-years 110,971 17,513
Transcribed Image Text:Estrogen Use Non-users Users Number with fibrocystic breast disease 108 34 Total person-years 110,971 17,513
Expert Solution
steps

Step by step

Solved in 4 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
SEE MORE TEXTBOOKS