Table 2 Incidence densities of HAIs in the ICUs analyzed before and during intervention

  Coefficient β (p-value)

− 0.040 (0.934)

− 0.427 (0.002)

–

↓33.8%

   H1^a

−3.784 (0.349)

−0.630 (0.069)

0.123

   H2

−2.143 (0.151)

−0.825 (0.015)

0.019

   H3

0.004 (0.988)

−0.302 (0.287)

0.568

   H4

−0.679 (0.135)

−0.040 (0.862)

0.323

   H5

1.167 (0.070)

−0.337 (0.302)

0.114

  Coefficient β (p-value)

0.300 (0.292)

−0.351 (0.009)

–

↓45.0%

   H1^a

−1.131 (0.530)

− 0.720 (0.012)

0.035

   H2

0.097 (0.688)

−0.859 (< 0.001)

< 0.001

   H3

0.624 (0.252)

−0.479 (0.036)

0.057

   H4

0.191 (0.256)

0.264 (0.377)

0.355

   H5

−0.282 (0.490)

−0.111 (0.304)

0.439

  Coefficient β (p-value)

0.251 (0.333)

−0.252 (0.068)

–

NS

   H1^a

2.611 (0.016)

0.059 (0.841)

0.055

   H2^a

0.296 (0.275)

−0.202 (0.152)

0.198

   H3

−0.171 (0.745)

0.021 (0.905)

0.942

   H4

0.118 (0.699)

−0.748 (0.022)

0.067

   H5

−0.181 (0.386)

−0.408 (0.308)

0.408