Barriers to pandemic influenza vaccination and uptake of seasonal influenza vaccine in the post-pandemic season in Germany

Table 3 Determinants of pandemic influenza vaccine uptake, Germany, season 2009/10

	n^#	A(H1N1)pdm09 vaccination coverage; % (95%CI)^#	Odds Ratio (95%CI)^#
	n^#	A(H1N1)pdm09 vaccination coverage; % (95%CI)^#	univariate	multivariable
Total	13,032	8.8 (8.2-9.5)	-	-
Sex
female	6,730	7.8 (7.1-8.7)	1^ref	1^ref
male	6,302	9.9 (8.9-10.9)	1.29 (1.14-1.45)^**	1.36 (1.15-1.61)^**
Vaccinated against seasonal influenza in season 2008/09
for agegroup 18–59 years
no	7,218	4.4 (3.8-4.9)	1^ref	1^ref
yes	1,784	22.9 (20.7-25.3)	6.54 (5.43-7.87)^**	5.98 (4.96-7.20)^**
for agegroup ≥60 years
no	1,925	1.9 (1.3-2.8)	1^ref	1^ref
yes	2,078	18.5 (16.1-21.1)	11.60 (7.51-17.01)^**	4.76 (1.60-14.18)^**
Place of residence
WFS	10,338	8.9 (8.2-9.6)	1^ref	n.s.
EFS	2,694	8.7 (7.3-10.3)	0.98 (0.84-1.14)
Socioeconomic Status
low	2,524	7.6 (6.1-9.5)	1^ref	1^ref
medium	7,777	8.0 (7.3-8.9)	1.06 (0.89-1.25)	1.01 (0.77-1.33)
high	2,688	12.2 (11.1-13.4)	1.69 (1.40-2.03)^**	1.61 (1.23-2.11)^**
Health care workers
no	687	8.4 (7.8-9.1)	1^ref	1^ref
yes	12,345	16.5 (13.9-19.6)	2.16 (1.75-2.67)^**	2.30 (1.78-2.96)^**
Underlying chronic disease
no	8,786	7.2 (6.6-7.9)	1^ref	1^ref
yes	4,246	12.2 (10.9-13.6)	1.79 (1.58-2.02)^**	1.42 (1.19-1.69)^**

^#weighted data; * p<0.05; ** p<0.001; ^ref=reference category; n.s.= not significant; WFS=Western federal states, EFS=Eastern federal states.
p-value for interaction between agegroup*seasonal influenza vaccination status: 0.011.

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