Figure 2From: Development and psychometric validation of a self-administered questionnaire assessing the acceptance of influenza vaccination: the Vaccinees' Perception of Injection (VAPI©) questionnaire VAPI scores according to maximum severity of pain reported for 8 days after injection. Mean scores and standard deviation of the mean (STDm); p = p-value of Kruskal-Wallis test; N = 6,092.Back to article page