benichou: Data in table 1 in Benichou (1991) from study of esophageal...

Description Format References

Description

Data in table 1 in Benichou (1991) from study of esophageal cancer (Tuyns, et al.)

Format

A data frame with 975 subjects and 8 variables.

cases

Esophageal cancer indicator (1=case, 0=control).

age

Subject age in years.

smoke

Quantity of tobacco smoked per day. (0-9g/day, 10-29g/day, or 30+g/day)

alcohol

Quantity of alcohol consumed per day (0-39g/day, 120+g/day, 40-79g/day, or 80-119g/day)

alcohol80

Quantity of alcohol consumed per day (0-79g or 80+g)

smoke.alc

Is set to 'Exposed' if subject was consumed more than 40+g of alcohol and 10+g of tobacco per day.

alcohol40

Quantity of alcohol consumed per day (0-39g or 40+g)

smoke10

Quantity of tobacco consumed per day (0-9g or 10+g)

References

Benichou, J. (1991) Methods of adjustment for estimating the attributable risk in case-control studies: a review Statistics in Medicine 10:1753-1773. Tuyns AJ, Pequignot G, Jensen OM. Esophageal cancer in Ille-et-Vilaine in relation to levels of alcohol and tobacco consumption. Risks are multiplying. Bull Cancer. 1977;64(1):45-60.


bethatkinson/attribrisk documentation built on May 18, 2019, 10:13 a.m.