Trends in influenza vaccination coverage in Portugal from 1998 to 2010: effect of major pandemic threats

BMC Public Health

Table 5 Inverse variance-weighted regression of vaccine coverage in the general population and by age group

		All ages	0-14	15-44	45-64	65+
	Variable	Coef.±SE	Coef.±SE	Coef.±SE	Coef.±SE	Coef.±SE
Trend model	Constant	-1.75 ± 0.09	-2.08 ± 0.29	-2.42 ± 0.16	-1.87 ± 0.08	-0.70 ± 0.01
	Constant	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001
	Trend	0.02 ± 0.01	-0.05 ± 0.04	-0.01 ± 0.02	-0.02 ± 0.01	-0.06 ± 0.01
	Trend	p=0.097	p=0.210	p=0.609	p=0.035	p<0.001
Trend and awareness events model	Constant	-1.79 ± 0.08	-1.96 ± 0.25	-2.37 ± 0.17	-1.91 ± 0.08	-0.72 ± 0.11
	Constant	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001
	Trend	0.02 ± 0.01	-0.08 ± 0.03	-0.02 ± 0.02	0.02 ± 0.01	0.07 ± 0.01
	Trend	p=0.106	p=0.012	p=0.320	p=0.037	p<0.001
	SARS 2003-2004	0.04 ± 0.10	0.04 ± 0.42	0.00 ± 0.28	0.17 ± 0.15	0.19 ± 0.17
	SARS 2003-2004	p=0.032	p=0.930	p=0.999	p=0.044	p=0.256
	A (H1N5) 2005-2006	0.22 ± 0.09	0.56 ± 0.42	0.06 ± 0.28	0.23 ± 0.11	-0.15 ± 0.17
	A (H1N5) 2005-2006	p=0.018	p=0.180	p=0.833	p=0.044	p=0.368
	A (H1N1) 2009-2010	0.18 ± 0.11	1.04 ± 0.43	0.47 ± 0.30	-0.04 ± 0.15	0.01 ± 0.23
		p=0.084	p=0.015	p=0.116	p=0.783	p=0.954

Notes: Coef.: inverse variance-weighted regression coefficients; SE: regression coefficients standard error; p-value tests the significance of regression coefficients.

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