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Table 3 Predictive factors for higher knowledge scores at time point 1

From: Effectiveness of an edutainment video teaching standard precautions – a randomized controlled evaluation study

  Univariable analysis Multivariable analysis
  Coefficient (95%CI) P value Coefficient (95%CI) P value
Female gender 1.12 (0.39–1.85) .003 1.07 (0.36–1.78) .003
Study group <.001
- No-intervention group Ref. Ref.
- Video group 1.86 (1.14–2.58) 1.81 (1.10–2.52) <.001
- SOP group 0.55 (−0.17–1.27) 0.46 (−0.26–1.16) .201
Familiarity with UHZ hygiene concept 1.15 (0.31–1.99) .007 0.89 (0.08–1.70) .032
Profession   .065  
- Physicians Ref.  
- Nurses 0.85  
- Other professions 0.48  
Work experience (in years) .471  
- < 1 Ref.  
- 1–5 0.11 (−1.32–1.10)  
- 5–10 0.55 (−0.73–1.84)  
- > 10 0.29 (−0.89–1.47)  
Working at UHZ (in years) .086  
- < 1 Ref.
- 1–5 0.10 (−0.73–0.93)
- 5–10 1.12 (0.12–2.11)
- > 10 0.45 (−0.52–1.42)
  1. Abbreviations: CI confidence interval, UHZ University Hospital Zurich, Ref Reference group, SOP standard operating procedure