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Table 3 Comparison of ‘Knowledge of CLABSI Prevention Questionnaire’ based on demographic and other variables

From: Prevention of central line-associated bloodstream infections: a survey of ICU nurses’ knowledge and practice in China

Characteristics

Mean ± SD

Range

Significantly different from group

t/F

P

Total cohort (N = 835)

4.02 ± 2.11

0–11

   

Sex

   

6.53

 < 0.001

 Male (n = 337)

3.46 ± 1.92

0–9

Female

  

 Female (n = 498)

4.40 ± 2.15

0–11

Male

  

Length of ICU nursing

   

31.89

 < 0.001

 A. < 1 year (n = 435)

3.36 ± 1.91

0–9

B, C, D, E

  

 B. 1– < 3 years (n = 154)

4.18 ± 1.82

0–8

A, D, E

  

 C. 3– < 5 years (n = 99)

4.85 ± 2.15

0–9

A

  

 D. 5–10 years (n = 94)

5.18 ± 2.03

0–10

A, B

  

 E. > 10 years (n = 53)

5.42 ± 2.35

0–11

A, B

  

Highest educational level

   

5.92

0.001

 A. Secondary school (n = 117)

3.68 ± 1.88

0–9

C

  

 B. Tertiary school (n = 337)

3.78 ± 2.08

0–9

C

  

 C. Undergraduate (n = 335)

4.39 ± 2.12

0–10

A, B

  

 D. Postgraduate (n = 46)

4.00 ± 2.40

0–11

  

Nursing level

   

10.75

 < 0.001

 A. Nurse (n = 436)

3.68 ± 1.98

0–9

B, C

  

 B. Nurse practitioner (n = 227)

4.44 ± 2.14

0–10

A

  

 C. Nurse-in-charge (chief nurse) (n = 118)

4.63 ± 2.23

0–11

A

  

 D. Deputy chief nurse and above (n = 54)

3.74 ± 2.11

0–9

  

Establishment of nurses

   

18.89

 < 0.001

 A. Establishment nurses (n = 301)

3.71 ± 1.93

0–11

C

  

 B. Personnel agent nurses(n = 180)

3.54 ± 1.93

0–9

C

  

 C. Contract nurses (n = 354)

4.53 ± 2.23

0–10

A, B

  

Hospital grade

   

14.20

 < 0.001

 A. Grade A tertiary hospital (n = 553)

4.05 ± 1.95

0–11

C, D

  

 B. Grade B tertiary hospital (n = 87)

3.53 ± 2.05

0–8

C

  

 C. Grade A secondary hospital (n = 146)

4.67 ± 2.38

0–10

A, B, D

  

 D. Grade B secondary hospital (n = 49)

2.61 ± 2.23

0–8

A, C

  

Incidence of CLABSI in department last year (per 1000 catheter days)

   

6.19

 < 0.001

 A. < 1‰ (n = 325)

3.75 ± 1.93

0–9

B

  

 B. 1‰– < 3‰ (n = 232)

4.48 ± 1.94

0–10

A, E

  

 C. 3‰–5‰ (n = 87)

4.44 ± 1.97

0–9

  

 D. > 5‰ (n = 20)

4.20 ± 1.85

2–9

  

 E. Do not know (n = 171)

3.68 ± 2.57

0–11

B

  
  1. CLABSI, central line-associated bloodstream infection
  2. Post-hoc comparisons were performed using the Bonferroni test when overall significance was indicated by one-way ANOVA