Table 3 Concurrent validity of the items of the original TSI and the modified TSI

 Time management

8

2.87 (0.84)

2.86 (0.83)

0.99

<0.001

0.78

2.88

0.004

 Work-related stressors

6

2.69 (0.97)

2.68 (0.96)

0.99

<0.001

0.79

2.69

<0.001

 Professional distress

5

3.19 (1.04)

3.19 (1.04)

1.0

<0.001

0.77

–

–

 Discipline and motivation

6

2.70 (1.03)

2.69 (0.97)

0.98

<0.001

0.80

0.36

0.7

 Professional investment

4

2.59 (1.09)

2.58 (1.04)

1.0

<0.001

0.76

3.25

0.001

 Emotional manifestations

5

2.39 (1.08)

2.44 (1.03)

0.95

<0.001

0.79

−3.67

<0.001

 Fatigue manifestations

5

2.65 (1.02)

2.63 (1.01)

0.98

<0.001

0.78

4.93

<0.001

 Cardiovascular manifestations

3

2.29 (1.18)

2.28 (1.17)

0.99

<0.001

0.79

3.02

0.003

 Gastronomical manifestations

3

1.94 (1.12)

1.94 (1.13)

1.0

<0.001

0.82

–

–

 Behavioral manifestations

4

2.03 (1.03)

1.97 (1.04)

0.98

<0.001

0.88

34.65

<0.001

Total

49

2.64 (0.78)

2.61 (0.96)

0.99

<0.001

0.94

4.52

<0.001