Table 2 Comparison of participants of month 1 and/or month 4 to participants of all three measurement occasions

df

Chi square

Gender (male/female)

1

0.43

Professional role

1

0.71^**

M

SD

M

SD

df

t value

Age

38.80

9.44

41.03

9.02

1408

-4.12^***

Tenure (years in organization)

9.00

8.05

11.04

8.76

1404

-4.16^***

Tenure (years in ICU)

7.30

7.44

9.69

7.87

1408

-5.29^***

Professional experience

11.62

8.99

14.16

8.51

1418

-4.84^***

Cognitive-behavioral teamwork month 1

5.23

0.83

5.27

0.77

1347

-0.87

Interpersonal teamwork month 1

3.11

0.63

3.14

0.59

1332

-0.81

Emotional exhaustion month 1

2.79

0.86

2.60

0.79

1310

3.88^***

Clinician-rated patient safety month 1

3.71

0.65

3.70

0.58

1307

0.42

Cognitive-behavioral teamwork month 4

5.22

0.80

5.28

0.74

935

-1.27

Interpersonal teamwork month 4

3.14

0.63

3.13

0.63

927

0.002

Emotional exhaustion month 4

2.75

0.85

2.56

0.79

908

3.33^***

Clinician-rated patient safety month 4

3.72

0.61

3.70

0.56

908

0.60