This data frame contains information about 3836 Italians individually validated survival lifetimes times in days of all persons in Italy who were at least 105 years old at some point in the period from 1 January 2009 to 31 December 2015. Observations are left-truncated and right-censored. These data are not publicly available, but can be purchased from the Italian National Institute of Statistics by registering at the Contact Center and mentioning the Semi-supercentenarian Survey and Marco Marsili as contact person.
Format
A data frame with 3836 rows and 6 variables:
- ndays
survival time (in days)
- bdate
birth date (
Date
)- ddate
death date (
Date
), orNA_Date_
if the person is alive at the end of the sampling- ltrunc
minimum age (in days); the maximum of 38351 days (approximately 105 years) or the number of days reached in 2009
- event
integer indicating the censoring pattern;
0
for right-censored records,1
for fully observed- gender
factor indicating gender of individual, either
female
ormale