Table 4

Distribution of rubella IgG antibodies in relation to the entourage of pregnant women, their housing conditions and consequences of promiscuity

VariablesDescriptive data
n (%) tested
Rubella seroprevalenceUnivariable logistic regression
IgG-negative, n (%)IgG-positive, n (%)χ2 testOR (95% CI)P value
Number of children living in the same house
 0114 (22.7)9 (8.7)94 (91.3)
 ≥1388 (77.3)58 (15.2)314 (84.8)0.10.5 (0.2 to 1.1)0.098
Child in the same house with erythema
 Yes95 (19)50 (13.1)332 (86.9)0.240.7 (0.3 to 1.3)0.263
 No407 (81)17 (18.3)76 (81.7)
Housing condition: sibling during childhood ≥5
 Yes295 (58.8)41 (14.5)242 (85.5)0.790.9 (0.5 to 1.5)0.723
 No207 (41.2)26 (13.5)166 (86.5)
More than four people/room during childhood
 Yes209 (41.6)23 (11.6)175 (88.4)0.221.4 (0.8 to 2.5)0.178
 No293 (58.4)44 (15.9)233 (84.1)
More than three people/room currently
 Yes207 (41.2)31 (15.7)166 (84.3)0.070.7 (0.4 to 1.3)0.394
 No295 (58.8)36 (12.6)242 (87.4)
≥4 room at home currently
 Yes44 (8.8)3 (7.1)39 (92.9)0.242.1 (0.6 to 7.3)0.202
 No458 (91.2)64 (14.8)369 (85.2)