Table 4.

Standard linear regression analyses of sociodemographic variables with the number of infections as the dependent variable.

Variable	Bivariate Analyses			Multivariate Analysis
	B	95% CI	p-Value	B	95% CI	p-Value
Constant				−3.71	−5.78–−1.65	<0.001
Short-term ward	1.75	1.52–1.97	<0.001	1.57	1.03–2.11	<0.001
Percentage of occupied beds	−0.04	−0.06–−0.03	<0.001	0.05	0.02–0.07	<0.001
Percentage over 85 years old	−0.02	−0.02–−0.01	<0.001	0.01	0.01–0.02	<0.001
Percentage being women	−0.04	−0.05–−0.03	<0.001	−0.02	−0.03–−0.01	0.003
Hospital admissions	0.51	0.26–0.75	<0.001	0.41	0.19–0.62	<0.001
Percentage nurse positions	0.25	0.22–0.29	<0.001	0.11	0.05–0.18	0.001

p < 0.05 was considered statistically significant.