Table 4. Selection of models by the Stepwise method to explain the colonization of health care professionals with nasal carriage of S. aureus.

Models	AIC	BIC
Intercept	68.96337	68.96337
Hospitalization	69.36967	71.44721
Antibiotic + hospitalization	70.30169	72.50241
Disease + hospitalization	70.30575	72.65359
Disease	70.42487	72.91555
Antibiotic	70.57605	72.99117
Age	70.83801	74.45676
Work at another unit	70.91363	74.46082
Age + hospitalization	70.98617	75.14125