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Table 2 Univariable and multivariable estimates of the effect on the change of hand hygiene compliance

From: Hand hygiene improvement of individual healthcare workers: results of the multicentre PROHIBIT study

 

Univariable estimate

Multivariable estimate

pp

CI 95%

p value

pp

CI 95%

p value

Professionals

 Nurse/student nurse

Reference

  

Reference

  

 Auxiliaries

0.8

− 4.1 to 5.7

0.74

0.4

− 3.5 to 4.4

0.84

 Medical doctors/students

− 2.4

− 7.3 to 2.5

0.34

− 5.7

− 9.7 to − 1.7

0.005

 Other healthcare professionals

6.3

− 2.6 to 15.2

0.17

4.1

− 3.5 to 11.7

0.29

Type of ICU

 Medical/surgical

Reference

     

 Cardiosurgery

− 7.8

− 25.7 to 10.1

0.39

   

 Vascular surgery

− 6.3

− 23.1 to 10.6

0.47

   

Activity indexa,b

 Per one extra opportunity/h

− 0.6

− 0.8 to − 0.4

 < 0.0001

− 0.6

− 0.8 to − 0.4

 < 0.0001

Baseline complianceb

 Per PP higher compliance

− 0.6

− 0.7 to − 0.5

 < 0.0001

− 0.6

− 0.7 to − 0.5

 < 0.0001

Nurse-to-patient ratiob

 Per PP increase

0.2

− 0.1 to 0.5

0.25

0.5

0.07–0.8

0.02

  1. CI 95%, 95% confidence interval; pp, percentage point
  2. aActivity index of the sessions during the intervention period
  3. bDifferences of mean (centered)