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Table 1 Description of the independent and dependent variables (outcome variable) measured at the four times points

From: Life satisfaction in Norwegian medical doctors: a 15-year longitudinal study of work-related predictors

Predictor variables

T1

Final year of graduation

T2

4 years after graduation

T3

10 years after graduation

T4

15 years after graduation

Age, years (continuous)

28 (2.83)

   

Gender, female, %

56

   

Having children, %

 

55

82

91

Married/cohabitating, %

 

78

83

87

Perceived social support

 

14.72 (6.24)

20.38 (2.89)

20.32 (2.85)

Physical activity

 

1.80 (1.01)

1.89 (1.01)

2.17 (1.02)

Religious activity, %

 

27

26

28

Use of alcohol to cope with tension, %

 

8

11

12

Hazardous drinking, %

 

13

13

15

Neuroticism

3.52 (2.23)

   

Extraversion

5.46 (2.36)

   

Reality weakness

1.44 (1.59)

   

Conscientiousness

3.09 (2.07)

   

Life events

 

1.05 (1.19)

0.72 (0.90)

0.55 (0.88)

Contextual work-related variables

 Emotional pressure

 

2.07 (0.65)

1.86 (0.58)

1.79 (0.53)

 Time pressure

 

2.41 (0.69)

2.25 (0.68)

2.16 (0.67)

 Fear of complaints and criticism

 

2.11 (0.67)

1.93 (0.65)

1.80 (0.56)

 Work–home interference

 

2.46 (1.00)

2.42 (1.00)

2.33 (0.99)

 Number of hours at work per week

 

45.29 (9.91)

42.99 (8.89)

42.21 (10.96)

 Number of hours asleep when on call

 

4.52 (2.79)

5.38 (6.36)

6.41 (7.14)

 Perceived job demands

 

1.96 (0.96)

1.92 (0.99)

1.92 (0.97)

 Autonomy

 

2.28 (0.71)

2.19 (0.70)

2.22 (0.68)

 Colleague support

 

10.00 (2.42)

9.76 (2.36)

10.13 (2.38)

Outcome variable

 Life satisfaction (3 items)

 

4.55 (0.82)

4.60 (0.81)

4.62 (0.81)

  1. Data are shown as percentages or means (SD) where not otherwise specified