Table 3 Association of external factors with at-work productivity loss for workers with RA

External factors

Permanent or temporary job contract

82.7^a

-1.24

-2.41; -0.08

0.04

Being a supervisor (yes)

27.5^a

0.98

-0.03; 2.00

0.06

Multiple jobs (yes)

16.8^a

-0.04

-1.16; 1.08

0.95

Shift work (yes)

18.8^a

1.07

-0.08; 2.21

0.07

Limited in functioning at work:

Overall p-value:

<0.01

No

13.3^a

Ref.

Ref.

Ref.

Slightly

76.0^a

2.14

0.85; 3.42

<0.01

Strongly

10.7^a

2.66

0.89; 4.44

<0.01

Supervisor social support (1-4^b)

2.99 (0.62)

0.35

-0.34; 1.03

0.32

Decision authority (1-4^b)

2.70 (0.36)

0.24

-1.03; 1.49

0.71

Psychological job demands (1-4^b)

2.65 (0.31)

-0.04

-1.54; 1.47

0.96

Physical job demands (1-4^b)

1.98 (0.61)

0.63

-0.11; 1.37

0.09

Co-worker social support (1-4^b)

3.09 (0.46)

0.22

-0.77; 1.21

0.67

Not or moderately satisfied with work

31.3^a

2.35

1.47; 3.24

<0.01

Work instability (0-23^b)

8.87 (4.80)

0.28

0.20; 0.36

<0.01

Sick leave during last 12 months

0.46

0.17; 0.75

<0.01

Heavy demanding work

70.7^a

1.01

0.04; 1.98

0.04

Work demands:

Overall p-value:

0.25

Mental

66.7^a

Ref.

Ref.

Ref.

Both physical and mental

21.3^a

0.99

-0.18; 2.15

0.10

Physical

12.0^a

0.11

-1.29; 1.52

0.87

Treatment center:

Overall p-value:

0.12

Specialized rheumatology center

76.7^a

Ref.

Ref.

Ref.

Academic hospital

10.0^a

-0.94

-2.40; 0.52

0.21

Regional hospitals

13.3^a

-1.22

-2.54; 0.10

0.07