aarp {blm}

Nested case-control data set of bladder cancer in the NIH-AARP Diet and Health Study

Description

The aarp data set is a nested case-control study of bladder cancer outcomes in the NIH-AARP Diet and Health Study. The data set is intended for demonstration purposes only.

Usage

aarp

Format

bladder70:	indicator of bladder cancer by age 70 years
female:	indicator of female gender
smoke_status:	factor of smoking status (four categories)
w:	inverse of sampling fraction
redmeat:	total daily redmeat consumption (grams/day)
fiber.centered:	total daily fiber consumption (grams), centered on sample median
educ:	factor of education status (six categories)

Source

National Cancer Institute. National Institutes of Health AARP Diet and Health Study. https://dceg.cancer.gov/research/who-we-study/nih-aarp-diet-health-study. Accessed: 12/10/2012

Examples

data(aarp)

# ABSOLUTE RISK OF BLADDER CANCER BY 70 YEARS
# FOR DIFFERENT GENDER AND RISK GROUP

fit <- blm(bladder70~female * smoke_status, 
			      data = aarp, 
			      weight=aarp$w)

# INTERCEPT IS BASELINE RISK
# ALL OTHER COEFFICIENTS ARE RISK DIFFERENCES FROM BASELINE

summary(fit)