Main sample: 3080 (3600 expected). Oversample: 991 immigrants. Three questionnaires were used: self-administered questionnaire, face-to-face questionnaire (CAPI) and life calendar. The face-to-face questionnaire was conducted by a specially trained interviewer. The interviews with 100 close relatives (project "linked lives") couldn't be conducted.

Method instrument

Standardised interviews - face-to-face

The main sample was randomly selected in the cantonal population records, and stratified by age (65 - 69; 70 - 74; 75 - 79; 80 - 84; 85 - 89; 90 and above) and sex, for a total of about 600 respondents in each canton, either community dwelling or living in nursing homes. Response rate: 33%.

Method instrument

Standardised interviews - by mail

Self-administered questionnaire

Method instrument

Other (specify)

Life calendar

Vivre/Leben/Vivere (VLV). Old Age Democratization? Progress and Inequalities in Switzerland

Methods

Method description

Method (instruments)

Method instrument

Population, unit of observation

Participant selection or sampling method (census, random sampling, other sampling method (specify))

Other significant comments

Method instrument

Population, unit of observation

Participant selection or sampling method (census, random sampling, other sampling method (specify))

Other significant comments

Method instrument

Other method instrument

Population, unit of observation

Participant selection or sampling method (census, random sampling, other sampling method (specify))

Other significant comments