The file BIOBIRTH covers the following information: (1) sum, year of birth and sex of the biological children of a male/female respondent up to the last date of interview (2) Person identifier (KIDPNR(n)) of the children (provided the child can be identified) which corresponds to variable PID in...

The file BIOBIRTH covers the following information: (1) sum, year of birth and sex of the biological children of a male/female respondent up to the last date of interview (2) Person identifier (KIDPNR(n)) of the children (provided the child can be identified) which corresponds to variable PID in...

The Berlin Aging Study II (BASE-II) is a multidisciplinary study that allows for the investigation of how a multitude of health status factors as well as many other social and economic outcomes interplay. The sample consists of 1,600 participants aged 60 to 80, and 600 participants aged 20 to...