A prospective cohort study comparing the reactogenicity of trivalent influenza vaccine in pregnant and non-pregnant women

Table 2 Medical attendance of adverse events following influenza immunisation among pregnant and non-pregnant women – FASTMum, Western Australia, Australia, 19 March-15 May 2014

	Pregnant (n = 947)		Non-pregnant (n = 275)		Fisher’s exact test p-value	AOR p-value
	n	Percent (95%CI)	n	Percent (95%CI)	Fisher’s exact test p-value	AOR p-value
Reaction requiring any treatment**	52	5.5 (4.0-6.9)	26	9.5 (6.0-12.9)	.02	.06
Reaction requiring telephone advice	11	1.2 (0.5-1.8)	2	0.8 (0.0-2.0)	.74	.95
Telephoned a doctor	7	0.7 (0.2-1.3)	0	0.0 (0.0-0.1)	.36	.95
Telephoned other	4	0.4 (0.0-0.8)	2	0.8 (0.0-2.0)	.62	.78
Reaction requiring medical attention	12	1.3 (0.5-2.0)	1	0.4 (0.0-1.2)	.32	.18
Visited a doctor	8	0.8 (0.3-1.4)	1	0.4 (0.0-1.2)	.69	.45
Visited a hospital emergency department	4	0.4 (0.0-0.8)	0	(0.0-0.1)	.58	.96

**A reaction requiring treatment was defined as any reaction where the woman reported self-treating with an antipyretic or pain reliever or visiting a doctor, medical centre or hospital emergency department to seek treatment.
AOR, adjusted odds ratio – adjusted for age and residence (metropolitan/non-metropolitan).
CI, confidence interval.

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