During a 6-week period, a medical student conducted an observational study of hand washing and infection control practices in a community teaching hospital. There was no difference in the prevalence of handwashing practices among the three work shifts. The prevalence of hand washing was higher in surgical (56.4%) and medical intensive-care units (39.2%) than in intermediate (30.0%) or general units (22.8%).
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Watanakunakorn et al. (1998) studied this question.
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