nickel.expand {ISwR} | R Documentation |
Nickel smelters in South Wales, expanded
Description
The data concern a cohort of nickel smelting workers in South Wales,
with information on exposure, follow-up period, and cause of death, as
in the nickel
data.
This version has follow-up times split according to age groups and is
merged with the mortality rates in ewrates
.
Usage
nickel.expand
Format
A data frame with 3724 observations on the following 12 variables:
agr
- age class: 10: 10–14, 15: 15–19, ....
ygr
- calendar period, 1931: 1931–35, 1936:
1936–40, ... .
id
- subject identifier (numeric).
icd
- ICD cause of death if dead, 0 otherwise (numeric).
exposure
- exposure index for workplace (numeric).
dob
- date of birth (numeric).
age1st
- age at first exposure (numeric).
agein
- age at start of follow-up (numeric).
ageout
- age at end of follow-up (numeric).
lung
- lung cancer mortality rate per 1 million person-years.
nasal
- nasal cancer mortality rate per 1 million person-years.
other
- all cause mortality rate per 1 million person-years.
Source
Computed from nickel
and ewrates
data sets.
[Package
ISwR version 2.0-5
Index]