Survey among parents combining work and care. Number of working hours of respondent and partner of respondent, and at which time of the day / having weekend -and or night shifts / having permission to work at home / conditions under which respondent likes to work at home / use of day care facilities for children aged between 0 and 3 years / use of day care facilities for children aged between 3 and 12 years / time spent at taking care for children when they were ill or had to see a doctor / occupational status of respondent and respondents partner.