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Table 1 Factors associated with measles antibody levels in mothers during pregnancy

From: Factors affecting the infant antibody response to measles immunisation in Entebbe-Uganda

Univariable analyses Multivariable analyses1
Explanatory variable Status Mean(SD) log IgG Mean difference (95% confidence interval) P-value Mean difference (95% confidence interval) P-value2
Gravidity 1 3.42 (0.55)   0.002   0.62
  2-4 3.54 (0.49) 0.13 (0.04, 0.22)   0.05 (−0.05, 0.15)  
  5+ 3.61 (0.47) 0.20 (0.08, 0.31)   0.06 (−0.10, 0.22)  
Asymptomatic malaria No 3.53 (0.50)   0.07   0.26
  Yes 3.40 (0.59) −0.13 (−0.27, 0.01)   −0.08(−0.22, 0.06)  
Maternal age in years 14-19 3.38 (0.52)   0.0005   0.0005
  20-24 3.52 (0.51) 0.14 (0.04, 0.24)   0.14 (0.04, 0.24)  
  25-29 3.57 (0.49) 0.19 (0.08, 0.30)   0.18 (0.08, 0.29)  
  30-34 3.65 (0.44) 0.27 (0.14, 0.40)   0.27 (0.14, 0.40)  
  35+ 3.57 (0.46) 0.19 (−0.01, 0.39)   0.18 (−0.01, 0.38)  
  1. SD standard deviations; 1in multivariable analyses, asymptomatic malaria was adjusted for age and gravidity, gravidity was adjusted for age, age was unadjusted 2likelihood ratio test; the mean IgG levels observed at maternal enrolment were similar to maternal delivery and cord blood levels.