The influences on participation of household partners in paid labour and household chores. Detailed family - household data / presence of children in various age categories / detailed data on occupation of partners and their parents, including occupational prestige scaling ( Ultee-Sixma ) and cultural prestige scaling / economic prestige of occupation / data on household finance: income, taxes, child benefits / time budget data for both partners regarding: shopping , cooking, cleaning, washing-ironing etc., childcare, repair and maintenance, work, commuting, sports and hobbies, social and cultural leisure activities, watching television, reading / division of domestic tasks / network of social contacts / relevant characteristics of social network members / attitudes regarding gender roles within the family / background data on parents of both partners / opinions of partner according to other partner / wellbeing / domestic help / children / child care / use of day nurseries and other forms of outdoor child care / frequency of - and reasons for their use / " peuterspeelzaal " , " kinderdagverblijf " , " bedrijfscreche " , " gastouderproject " , " buitenschoolse opvang " , " overblijven " / reasons for not using institutional outdoor child care / same for child care by relatives, neighbours, friends, domestic servants, paid " baby sitter ". Background variables: basic characteristics/ residence/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ education/ religion/ organizational membership