Table 1 Baseline data of participants and work-groups. Group denotes group of predictors (c = compositional or work context, m = individual medical findings, hb = individual health behavior, psy = psychosocial work characteristics, wai = work ability). The left columns present the means and standard deviation over all participants, the right columns present the grand mean over the work-group means

Parameter

Group

Mean

SD

Mean

SD

unit

Age

c

41.4

10.29

42.8

4.0

years

Manual work

c

49

58

percent

Gender (male)

c

89

82

22.0

percent

Body mass index

m

26.6

4.14

26.8

1.1

kg/m²

Diastolic blood pressure

m

82.2

9.15

82.4

3.4

mm Hg

Systolic blood pressure

m

129.1

13.84

129.2

4.7

mm Hg

Cholesterol

m

212.5

40.2

210.9

7.9

mg/dl

HDL-Cholesterol

m

50.8

11.6

50.4

3.2

mg/dl

LDL-to-HDL-Ratio

m

3.0

0.93

3.0

0.24

Triglycerides

m

147.6

86.5

148.8

22.4

mg/dl

C-reactive protein

m

2.0

3.50

2.1

0.5

mg/l

γ-glutamyltransferase (GGT)

m

37.0

34.28

36.8

6.7

U/l

Glycosylated hemoglobin (HbA1c)

m

5.3

0.88

5.3

0.1

percent

Waist circumference

m

93.6

12.27

94.7

4.2

cm

Metabolic syndrome

m

1.4

1.16

1.4

0.3

criteria

Framingham score risk

m

7.9

7.38

8.1

2.2

percent

Framingham relative risk index

m

1.7

1.01

1.7

0.3

AUDIT-C index

hb

10.2

2.98

10.3

0.8

points^a

Physical activity index (IPAQ)

hb

10.4

3.83

10.6

1.2

points^a

Number of medical conditions

hb

1.6

1.60

1.7

0.3

n

Smokers (self reported, percent)

hb

24.5

25.6

11.2

percent

Number of regular medications

hb

0.3

0.66

0.3

0.1

n

Nutritional index

hb

10.2

2.66

10.2

0.8

points^a

Commitment to the workplace

psy

10.6

2.03

10.8

0.5

points^a

Quality of leadership

psy

11.2

2.21

11.1

0.6

points^a

Cognitive stress

psy

10.7

2.61

10.7

0.6

points^a

Emotional demands

psy

10.6

1.74

10.6

0.5

points^a

Physical demands

psy

10.8

2.26

10.8

1.0

points^a

Quantitative demands

psy

9.3

2.15

9.2

0.8

points^a

Influence at work

psy

10.2

2.51

10.3

0.8

points^a

Predictability

psy

11.0

2.37

11.0

0.6

points^a

Job satisfaction

psy

11.3

1.86

11.2

0.5

points^a

Possibilities for development

psy

10.6

2.74

10.7

1.1

points^a

Meaning of work

psy

11.7

2.15

11.9

0.5

points^a

Social support from colleagues

psy

10.9

2.02

10.9

0.4

points^a

Work life conflict

psy subh

10.7

2.29

10.7

0.7

points^a

Burnout

subh

10.3

2.15

10.2

0.4

points^a

SF-12 physical summary index

subh

9.9

2.80

9.7

0.8

points^a

SF-12 mental summary index

subh

9.9

2.78

9.8

0.6

points^a

Daytime sleepiness

subh

9.9

3.03

9.7

0.6

points^a

Work ability

wai

40.7

5.85

40.5

1.4

points (7–49)