AbsenteeismEfficiencySick LeaveOccupational HealthEmployer Health CostsWorkplaceSchoolsOccupational Health ServicesOccupational DiseasesIndustryEmploymentNamibiaEmployee DisciplineOccupational ExposureHealth Facility EnvironmentEmployee Incentive PlansPersonnel ManagementCost of IllnessPersonnel, HospitalWorkRailroadsInfluenza, HumanHealth PersonnelEmployee Performance AppraisalHand DisinfectionAviationJob SatisfactionQuestionnairesFacility Design and ConstructionWorkloadDisease OutbreaksHygieneRespiratory Tract DiseasesHealth ManpowerPersonnel TurnoverMusculoskeletal DiseasesPopulation SurveillanceCockroachesCross-Sectional StudiesNew HampshirePandemicsWorkers' CompensationSex WorkersCosts and Cost AnalysisStudentsNursing Staff, HospitalHealth Care CostsStress, PsychologicalSchool Health ServicesEfficiency, OrganizationalHealth StatusPsychologyNetherlandsBack PainHumidityAgricultural Workers' DiseasesCost-Benefit AnalysisRisk FactorsAsthmaAir Pollutants, OccupationalAchievementPrevalenceNursesHealth PromotionMetallurgyNeck PainChemical IndustryHealth Services