France: family building by socio-occupational groups.
D000328:Adult; D000367:Age Factors; D001290:Attitude; D002657:Child Development; D005190:Family; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D005602:France; D006240:Happiness; D006801:Humans; D007182:Income; D008393:Marriage; D009042:Motivation; D009790:Occupations; D012494:Sampling Studies; D012923:Social Class; D013997:Time Factors