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Table 2 Knowledge assessment with 32-item questionnaire at time point 1 (immediately after intervention)

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

 

Question

Correct answer

Video group, percent correct answers

SOP group, percent correct answers

No-intervention group. Percent correct answers

p-value

Q 1.1.

Wearing non sterile gloves is indicated when

..drawing blood

right

94.8

96.6

95.3

.810

Q 1.2.

..touching a patient who is an MRSA carrier a)

wrong

54.3

43.7

61.7

.017

Q 1.3.

..emptying an urinary bag

right

98.3

97.5

98.4

.897

Q 1.4

..washing a patients‘face b

wrong

73.3

84

85.2

.042

Q 2.1.

Wearing a surgical mask is indicated when

..drawing blood from patients’ suffering from an influenza

right

60.3

55.5

68.8

.094

Q 2.2.

..providing personnel care to a patient with an open tuberculosis a

wrong

50.9

38.7

46.1

.168

Q 2.3.

..suctioning an intubated patient

right

91.4

93.3

82.0

.014

Q 2.4

..providing personnel care to a patient suffering from a cough

right

78.5

59.7

46.1

<.001

Q 3.1.

When performing an open suctioning of a patient with a tracheostoma I have to wear the following personal protective equipment:

gloves

right

98.3

96.6

93.8

.204

Q 3.2.

surgical mask

right

96.6

94.1

82.0

<.001

Q 3.3.

cap

wrong

97.4

87.4

95.3

.007

Q 3.4

goggles

right

91.4

79.0

67.2

<.001

Q 4.1.

To prevent the spread of a respiratory virus when suffering from a common cold...

..I’m only allowed to come to work if I’m vaccinated against influenza a

wrong

98.3

98.3

99.2

.744

Q 4.2.

..I am allowed to cough and sneeze into a handkerchief which I dispose of immediately

right

88.8

82.4

71.1

.002

Q 4.3.

..I am allowed to cough and sneeze into my elbow

right

89.7

78.2

56.3

<.001

Q 4.4

..I wear a surgical mask when in contact to my colleagues

right

94.8

89.9

95.3

.213

Q 5.1.

When wearing non-sterile gloves, I ...

..have to always disinfect my hands before donning gloves

right

82.8

58.0

71.1

<.001

Q 5.2.

..have to always disinfect my hands after doffing gloves

right

93.1

94.1

94.5

.926

Q 5.3.

..am allowed to inject medication without prior hand disinfection after touching the same patient

wrong

87.1

88.2

90.6

.668

Q 5.4

..have to doff the gloves as soon as possible to prevent the spread of germs

right

79.3

73.1

69.5

.211

Q 6.1.

I have to disinfect my hands …

..before touching the bed table of a patient b

right

88.8

76.5

77.3

.023

Q 6.2.

..before shaking hands with a patient

right

95.7

97.5

96.1

.777

Q 6.3.

..between touching a patients‘shoulder and emptying his urinary bag b

wrong

90.5

88.2

84.4

.352

Q 6.4

..between touching a patients‘shoulder and injecting insulin

right

81.9

84.0

84.4

.863

Q 7.1.

Check the correct answers concerning aseptic procedures

When performing an aseptic procedure, I always have to wear short sleeves

right

82.8

79.8

68.8

.025

Q 7.2.

When performing an aseptic procedure, I always have to wear sterile gloves

wrong

60.3

58.0

58.6

.937

Q 7.3.

Aseptic procedures prevent the contamination of clean surfaces and material

right

76.7

83.2

89.1

.037

Q 7.4

If I talk during aseptic procedures I need to wear a mask

right

75.0

73.1

66.4

.298

Q 8.1.

When in direct patient contact, I’m NOT allowed to wear …

..wedding ring

right

98.3

89.1

78.1

<.001

Q 8.2.

..pearl earrings

wrong

88.8

90.8

85.9

.504

Q 8.3.

..nail polish

right

99.1

96.6

93.0

.038

Q 8.4

..watch

right

97.4

98.3

96.9

.842

  1. Caption: 32-item questionnaire with the percentage of correct answers by study group at time point 1
  2. Abbreviations: MRSA Methicillin resistant Staphylococcus aureus, SOP Standard Operating Procedure, Q Question
  3. a Topics not or only rudimentary thematized in video and SOP. b Topics not or only rudimentary covered in the video but covered in the SOP