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Table 4 Cluster characteristics

From: Results of the CHlorhexidine Gluconate Bathing implementation intervention to improve evidence-based nursing practices for prevention of central line associated bloodstream infections Study (CHanGing BathS): a stepped wedge cluster randomized trial

Characteristic

A

B

C

D

p value

# of beds

20.33 (3.51)

16.75 (10.14)

16.25 (11.09)

19.33 (4.16)

.60

CL utilization

2.74 (1.96)

3.66 (3.68)

2.61 (1.22)

2.53 (1.27)

.99

RN hours ppd

21.64 (0.67)

19.95 (7.02)

23.78 (3.88)

19.87 (1.45)

.45

# RN FTE

60.87 (27.43)

47.65 (26.36)

65.09 (61.28)

55.87 (34.05)

.89

Staff Turnover

28.21% (11.47)

12.18% (11.09)

20.52% (11.15)

19.23% (5.36)

.40

Skill Mix

92.37% (5.82)

85.63% (7.21)

90.18% (5.23)

88.07% (5.59)

.52

# of admissions per month

141.00 (23.58)

77.75 (19.62)

106.00 (47.25)

115.33 (80.98)

.34

LOS

3.67 (1.01)

6.37 (4.70)

3.41 (0.68)

7.16 (6.63)

.95

Total years of RN experience

7.35 (3.16)

9.77 (3.46)

6.83 (2.16)

9.26 (5.30)

.55

Total years of NA experience

8.13 (6.31)

7.84 (3.89)

10.59 (5.34)

9.03 (5.55)

.78

Average RN age

32.28 (4.79)

34.97 (4.75)

32.04 (3.20)

34.55 (6.61)

.82

Average NA age

39.61 (5.53)

33.40 (4.58)

35.21 (6.88)

39.42 (8.42)

.55

  1. A group randomized in June, B group randomized in July, C group randomized in August, D group randomized in September. Skill mix = RN nursing care hours as a % of all nursing care hours. Kruskall-Wallis tests conducted
  2. CL central line; ppd per patient day, FTE full time employee, LOS length of stay