Table 1.

Prevalence of antibodies against selected infectious agents in 240 atopic and 240 non-atopic Italian military cadets. Values are numbers (percentages) of participants unless stated otherwise

Infectious agentNon-atopic groupAtopic groupCrude odds ratio (95% CI)
Orofecal and foodborne infections
Toxoplasma gondii63 (26)42 (18)*0.60 (0.38 to 0.93)
Helicobacter pylori44 (18)35 (15)0.76 (0.47 to 1.24)
Hepatitis A virus73 (30)39 (16)0.44 (0.29 to 0.69)
Infections transmitted by other routes
Measles233 (97)231 (96)0.77 (0.28 to 2.11)
Mumps92 (38)112 (47)1.41 (0.98 to 2.03)
Rubella211 (88)198 (83)0.65 (0.39 to 1.08)
Chickenpox157 (65)157 (65)1.00 (0.69 to 1.46)
Cytomegalovirus112 (47)132 (55)1.40 (0.97 to 2.00)
Herpes simplex virus type 1181 (75)168 (70)0.76 (0.51 to 1.14)