enquête (4) information (4) revenu (4) emploi (4) éducation (4) âge (4) ordre (4) Education (4) Employment (4) Job satisfaction (4) Surveys (4) Labor (4) States (4) Employees (4) Work environment (4) Work (4) Weights and measures (4) Wages (4) Surveys (4) Standards (4) Sex (4) Series (4) Satisfaction (4) Race (4) Professions (4) Order (4) Occupations (4) Life (4) Labor supply (4) Job stress (4)