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Table 1 Univariate and multivariate regression analyses of factors associated with rubella IgM seropositivity among children in Mwanza city

From: Serological evidence of acute rubella infection among under-fives in Mwanza: a threat to increasing rates of congenital rubella syndrome in Tanzania

Characteristics IgM seropositivity (N, %) Univariate Multivariate
OR (95 % CI) P value OR (95 % CI) P value
Age (months) 39 (IQR:18–51) 1.05 (1.03–1.08) <0.001 1.07 (1.03–1.10) <0.001
Number of Siblings 2 (IQR:2–2) 0.6 (0.36–0.99) 0.044 0.57 (0.31–1.04) 0.069
Sex      
 Female (116) 13 (11.4 %) 1    
 Male (114) 12 (14.2 %) 0.89 (0.39–2.05) 0.790 1.15 (0.35–3.79) 0.807
Residence      
 Urban (86) 7 (8.14 %) 1    
 Rural (144) 18 (12.5 %) 1.612 (0.64–4.03) 0.307 8.07 (1.43–45.64) 0.018
Socio-economic status      
 Good (166) 21 (12.7 %) 1    
 Poor (64) 4 (6.3 %) 0.46 (0.17–1.39) 0.171 0.53 (0.11–2.34) 0.400
Rash      
 No (172) 15 (8.7 %) 1    
 Yes (58) 10 (17.2 %) 2.18 (0.92–5.17) 0.077 0.903 (0.24–3.34) 0.879
Blood transfusion      
 No (216) 23 (10.7 %) 1    
 Yes (14) 2 (14.3 %) 1.398 (0.29–6.64) 0.673