After adjusting for gestational age and number of clinic visits , women who received the intervention were 30 % more likely to be vaccinated as of December 2011 ( adjusted odds ratio [ AOR ] = 1.30 ; 95 % confidence interval [ CI ] = 1.003 , 1.69 end of September : AOR = 1.34 ; 95 % CI = 0.98 , 1.85 ; October : AOR = 1.35 ; 95 % CI = 1.05 , 1.75 ; November : AOR = 1.27 ; 95 % CI = 0.98 , 1.65 ) .