Variations in influenza vaccination coverage among the high-risk population in Sweden in 2003/4 and 2004/5: a population survey

Table 5 The effect of demographic and health care system, characteristics and personal invitations on having had a vaccination in Sweden: results of logistic regression

	Elderly¹⁾		Diseased²⁾		Healthy²⁾
	odds ratio	sign.	odds ratio	sign.	odds ratio	sign.
Personal characteristics
Household size	1.38	0.05	0.94	0.62	0.99	0.93
gender (male = ref. cat.)	1.55	0.02	1.42	0.00	0.11	0.77
age50plus/age70plus³⁾	2.25	0.00	3.50	0.00	2.90	0.00
Health professional opinion
personal invitation	3.52	0.00	2.80	0.00	6.13	0.00
Health care system characteristics
out-of-pocket payment	0.64	0.09
extra remuneration for administrator	1.52	0.06
GP is main administrator	0.86	0.59
number of different administrators	0.77	0.02
Constant	0.73		0.06		0.03

1) Analysed with MLwiN Logistic regression
2) Analysed with SPSS logistic regression because there was no systematic regional variation existent
3) For each risk group the age of the respondents was dichotomised into two groups. For the diseased and healthy the division was made at the age of 50, for the elderly at the age of 70. The reference category for all risk groups was the younger age group.

ISSN: 1471-2458