Recent social changes in the province of Groningen. Changes in education opportunities / organ transplantation / financial limits medical treatment / prenatal research / medical experiments with pre-embryo's / aids / storage of nuclear waste in salt domes in the north of the Netherlands / role of church and religion in society / cohabitation patterns / male, female role pattern / care for aged parents. Background variables: basic characteristics/ household characteristics/ occupation/employment/ income/capital assets/ religion/ organizational membership