Table 3 Bivariate associations

Physical workload

  MEI

11–33

1.05 (1.04–1.07)

1.06 (1.05–1.08)

1.07 (1.04–1.09)

1.05 (1.03–1.06)

1.06 (1.03–1.09)

  PHYI

7–21

1.01 (0.99–1.03)

1.04 (1.02–1.05)

1.07 (1.04–1.10)

1.05 (1.03–1.07)

1.11 (1.08–1.15)

 Computer workstation arrangements

<0.001

<0.001

0.10

0.01

0.07

  Satisfied

1

1

1

1

1

  Neutral

1.14 (0.98–1.33)

1.15 (1.00–1.32)

0.96 (0.77–1.20)

1.12 (0.96–1.30)

1.37 (1.05–1.79)

  Dissatisfied

1.45 (1.25–1.67)

1.34 (1.16–1.53)

1.21 (0.98–1.50)

1.26 (1.08–1.47)

1.20 (0.89–1.62)

Psychosocial factors

  Job demands

1–4

1.51 (1.32–1.73)

1.46 (1.29–1.66)

1.47 (1.21–1.78)

1.55 (1.35–1.78)

1.68 (1.31–2.15)

  Job control

1–4

0.87 (0.74–1.03)

0.82 (0.71–0.95)

0.48 (0.38–0.61)

0.81 (0.69–0.95)

0.66 (0.49–0.89)

  Job support

1–4

0.87 (0.75–1.00)

0.89 (0.78–1.02)

0.85 (0.68–1.06)

0.80 (0.69–0.94)

0.77 (0.58–1.01)

  Emotional demands

0–4

1.15 (1.07–1.25)

1.05 (0.98–1.13)

1.01 (0.90–1.13)

1.08 (1.00–1.17)

1.12 (0.96–1.31)

  Demands of hiding emotions

0–4

1.12 (1.03–1.21)

1.09 (1.02–1.18)

1.10 (0.98–1.23)

1.06 (0.97–1.15)

1.06 (0.91–1.23)

  Sensory demands

0–4

1.11 (1.01–1.22)

1.24 (1.13–1.35)

1.37 (1.19–1.58)

1.08 (0.98–1.19)

1.24 (1.04–1.48)

  Leadership

0–4

0.89 (0.82–0.96)

0.91 (0.84–0.98)

0.93 (0.83–1.05)

0.86 (0.79–0.93)

0.87 (0.75–1.01)

  Self-efficacy

1–5

1.07 (0.94–1.22)

1.08 (0.96–1.22)

1.22 (1.01–1.48)

1.11 (0.97–1.27)

1.08 (0.84–1.40)

Personal and lifestyle factors

  Age

years

0.99 (0.99–1.00)

0.99 (0.99–1.00)

1.03 (1.02–1.03)

1.00 (1.00–1.01)

1.03 (1.02–1.05)

  BMI

points

1.01 (0.99–1.02)

1.01 (0.99–1.02)

1.03 (1.01–1.05)

1.02 (1.00–1.04)

1.09 (1.07–1.11)

  Number of children

1.00 (0.95–1.06)

0.98 (0.93–1.03)

0.83 (0.76–0.91)

0.96 (0.90–1.02)

0.76 (0.67–0.86)

 Personal recovery time

0.003

0.001

0.93

0.004

0.39

   ≥ 3 h /day

1

1

1

1

1

  1–2 h/day

1.09 (0.94–1.27)

1.22 (1.05–1.41)

0.99 (0.80–1.22)

1.21 (1.03–1.43)

1.09 (0.83–1.42)

   < 1 h/day

1.32 (1.11–1.56)

1.37 (1.16–1.62)

0.96 (0.74–1.23)

1.37 (1.14–1.65)

0.88 (0.63–1.24)

 Domestic work

0.01

0.04

0.58

0.11

0.90

  0–10 h/week

1

1

1

1

1

  11–20 h/week

1.17 (1.02–1.35)

1.07 (0.94–1.23)

0.91 (0.75–1.11)

1.15 (0.99–1.33)

0.95 (0.74–1.23)

   ≥ 21 h/week

1.26 (1.07–1.47)

1.20 (1.04–1.39)

0.91 (0.72–1.15)

1.16 (0.99–1.38)

0.94 (0.70–1.26)

 Physical exercise

0.33

0.84

0.18

0.28

0.52

  Twice a week or more

1

1

1

1

1

  Once a week

1.04 (0.88–1.24)

0.97 (0.82–1.14)

0.77 (0.58–1.02)

1.03 (0.86–1.24)

0.99 (0.71–1.38)

  Occasionally or never

1.13 (0.96–1.34)

1.03 (0.88–1.21)

1.01 (0.78–1.30)

1.15 (0.97–1.37)

1.19 (0.87–1.63)

 Smoking habits

0.09

0.03

0.001

0.04

0.004

  Have never smoked

1

1

1

1

1

  Former smoker

1.07 (0.94–1.22)

1.03 (0.91–1.17)

1.28 (1.07–1.55)

1.11 (0.97–1.28)

1.47 (1.16–1.87)

  Smoking, but not daily

1.28 (0.98–1.66)

0.98 (0.73–1.32)

0.82 (0.47–1.41)

1.26 (0.95–1.67)

0.92 (0.47 (1.79)

  Daily smoker

1.26 (0.99–1.60)

1.36 (1.12–1.66)

1.73 (1.27–2.35)

1.35 (1.06–1.72)

1.66 (1.08–2.56)