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Table 2 Intervention’s impact on VC at 3, 5 and 7 months (PP analysis)

From: A postpartum vaccination promotion intervention using motivational interviewing techniques improves short-term vaccine coverage: PromoVac study

  Experimental group
n=1,140
Control group
n= 1,249
Absolute difference of VC (%) RR (95% CI) p-value
Complete VC at 3 months 1,041 (91.3) 1,101 (88.1) 3.2 1.04 (1.01-1.06) .011
Complete VC at 5 months 948 (83.2) 978 (78.3) 4.9 1.06 (1.02-1.10) .003
Complete VC at 7 months 865 (75.9) 857 (68.6) 7.3 1.11 (1.05-1.16) <.001