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Table 1 Logistic regression models regarding overall compliance (Model 1), compliance with hand hygiene (HH) procedures (Model 2) and compliance with proper glove or gown use (Model 3) over the study period in the Intensive Care Unit (ICU) of the Umberto I Teaching Hospital of Sapienza University of Rome

From: Effectiveness over time of a multimodal intervention to improve compliance with standard hygiene precautions in an intensive care unit of a large teaching hospital

 

Model 1 Overall compliance

OR (95%CI)

P value

Model 2 HH compliance

OR (95%CI)

P value

Model 3 Proper glove or gown use compliance

OR (95%CI)

P value

Trimester

 First trimester

Ref.

 

Ref.

 

Ref.

 

 Second trimester

1.17 (1.02–1.35)

0.029

1.12 (0.91–1.37)

0.282

1.34 (1.07–1.69)

0.012

 Third trimester

2.29 (1.94–2.70)

< 0.001

4.03 (3.18–5.10)

< 0.001

1.41 (1.08–1.84)

0.013

 Fourth trimester

2.92 (2.52–3.39)

< 0.001

4.38 (3.55–5.41)

< 0.001

2.39 (1.87–3.05)

< 0.001

 Fifth trimester

2.32 (2.00–2.68)

< 0.001

3.21 (2.62–3.94)

< 0.001

1.99 (1.57–2.54)

< 0.001

 Sixth trimester

2.08 (1.78–2.43)

< 0.001

2.53 (2.03–3.15)

< 0.001

2.13 (1.63–2.76)

< 0.001

Day

 Week day

Ref.

 

Ref.

 

Ref.

 

 Weekend day

1.10 (0.99–1.22)

0.064

1.13 (0.98–1.30)

0.106

1.10 (0.92–1.32)

0.282

Work shift

 Morning

Ref.

 

Ref.

 

Ref.

 

 Afternoon

1.07 (0.97–1.17)

0.184

0.95 (0.83–1.08)

0.400

1.32 (1.12–1.55)

0.001

 Night

0.93 (0.84–1.03)

0.144

0.82 (0.72–0.95)

0.006

1.08 (0.91–1.29)

0.354

Observed healthcare worker (HCW) job category

 Physician

Ref.

 

Ref.

 

Ref.

 

 Nurse

1.23 (1.12–1.34)

< 0.001

1.18 (1.04–1.33)

0.008

1.38 (1.19–1.60)

< 0.001

 Healthcare assistant

0.18 (0.12–0.26)

< 0.001

0.09 (0.05–0.15)

< 0.001

0.26 (0.16–0.45)

< 0.001

 Other

0.36 (0.24–0.52)

< 0.001

0.19 (0.11–0.35)

< 0.001

0.57 (0.31–1.06)

0.076

Observed HCW gender

 Female

Ref.

 

Ref.

 

Ref.

 

 Male

0.99 (0.92–1.08)

0.944

0.96 (0.86–1.07)

0.496

1.05 (0.91–1.21)

0.521

Observed ICU staff

 External

Ref.

 

Ref.

 

Ref.

 

 Internal

1.61 (1.39–1.87)

< 0.001

2.55 (2.05–3.18)

< 0.001

1.14 (0.89–1.45)

0.289

Observed care context

 Emergency care

Ref.

 

Ref.

 

Ref.

 

 Routine care

1.64 (1.42–1.88)

< 0.001

2.17 (1.77–2.65)

< 0.001

1.38 (1.10–1.74)

0.006

Indication type

 Before patient contact

 

Ref.

 

 

 After patient contact

 

5.43 (4.86–6.08)

< 0.001