Religious subgroups influencing vaccination coverage in the Dutch Bible belt: an ecological study

BMC Public Health

Table 3 Influence of OPD membership ratios on municipal vaccination coverage

	N = 135 municipalities or geographical entities with OPDs					N = 128 municipalities or geographical entities with OPDs, leaving out 7 outliers
Explaining variables	Pearson		multiple regression			Pearson		multiple regression
	r	p	b	t	p	r	p	b	t	p
Constant			97.15	313.20	<0.001			97.00	296.91	<0.001
% Restored Reformed Church*	-0.45	<0.001	-0.37	-7.32	<0.001	-0.46	<0.001	-0.43	-4.97	<0.001
% Reformed Congregations*	-0.63	<0.001	-0.49	-10.85	<0.001	-0.65	<0.001	-0.41	-6.78	<0.001
% Reformed Congregations in the Netherlands*	-0.66	<0.001	-1.57	-9.17	<0.001	-0.61	<0.001	-1.70	-6.27	<0.001
% Old Reformed Congregations*	-0.65	<0.001	-1.22	-6.83	<0.001	-0.61	<0.001	-1.37	-5.86	<0.001
% Christian Reformed Churches*	-0.38	<0.001	-0.36	-4.00	<0.001	-0.14	ns#
% Nonwestern immigrants**	0.23	<0.001	-0.07	-2.54	<0.05	0.17	<0.05	-0.06	-2.22	<0.05
% With income support**	0.22	<0.05				0.18	<0.05
Level of urbanization***	0.28	<0.001				0.24	<0.001
Explained variance			85%					73%

Results of bivariate correlation and multiple regression analysis, showing influence of OPD membership ratios, immigration, socio-economical status and urbanization on vaccination coverage (in municipalities and geographical entities with OPDs, and leaving out outliers)
* % OPD = membership ratio of OPD = percentage of municipal population that is member of the named orthodox protestant denomination
** % = percentage of municipal population consisting of non western immigrants respectively percentage of municipal population with income support
*** dichotomized variable: rural = 0, urban = 1
# ns = not significant

ISSN: 1471-2458