NIOSH Safety And Health Officer (SHO) - Occupational Health (Malaysia) Practice Questions - NIOSH Safety And Health Officer (SHO) - Occupational Health (Malaysia) Exam

It makes workers appear healthier than the general population because employed individuals must be fit to work. It overestimates the prevalence of chronic diseases due to better medical tracking inside factories. It causes researchers to focus only on healthy workers, completely ignoring retired or deceased employees. It leads to underestimating the protective effects of personal protective equipment (PPE) in hazardous environments.