Table 2

Distribution and Poisson univariate associations between work ability and demographic variables, physical and mental health, and work environment characteristics among female employees in Norway (N= 597)


Work Ability (WA)


Not reduced
WA
n = 222
Moderately reduced
WA
n = 301
Severely reduced
WA
N = 51

Moderately reduced WA
Severely reduced WA

%
%
%
N
RR
CI 95%
RR
95% CI

Demographic variables



585




Age (years) (p < 0.001)








18 ≤ 29
51.0
43.6
5.4

1 (ref.)

1 (ref.)

30–39
37.1
54.6
8.3

1.3
0.9 – 1.7
1.9
0.9 – 4.0
40–49
24.6
59.1
16.4

1.5
1.1 – 2.1
4.2
1.9 – 8.9
50–67
19.4
71.0
9.7

1.7
1.1 – 2.7
3.5
0.9 – 12.5
Missing
-
-
-
-
-












Ethnicity (p > 0.05)



585




Norwegian
39.0
52.4
8.6

1 (ref.)

1 (ref.)

Not ethnic Norwegian
33.3
52.8
13.9

1.1
0.7 – 1.7
1.6
0.7 – 4.1
Missing
-
-
-














Marital status (p > 0.05)



564




Married/cohabiting
40.3
52.0
7.6

1 (ref.)

1 (ref.)

Not married/not cohabiting
35.2
53.8
11.0

1.1
0.8 – 1.4
1.5
0.8 – 2.7
Missing
20.0
50.0
30.0














Residence (p > 0.05)



585




Oslo (urban)
38.9
52.7
7.8

1 (ref.)

1 (ref.)

Lofoten (rural)
37.9
53.1
9.0

0.9
0.7 – 1.4
1.5
0.7 – 3.3
Other
38.4
49.3
12.3

1.0
0.8 – 1.3
1.2
0.6 – 2.1
Missing
-
-
-














Occupation (p > 0.05)



571




Skilled
41.2
52.4
6.5

1 (ref.)

1 (ref.)

Not skilled
35.2
52.6
12.7

1.1
0.8 – 1.3
1.9
1.1 – 3.3
Missing
25.0
50.0
25.0














Working time (p > 0.05)



569




Part time
34.8
56.5
8.7

1 (ref.)

1 (ref.)

Full time
40.4
51.3
8.3

0.9
0.7 – 1.2
0.9
0.4 – 1.6
Missing
26.7
46.7
26.7














Physical and mental health








How satisfied are you with your physical health and well-being? (p < 0.001)



581




Satisfied
47.4
49.3
3.3

1 (ref.)

1 (ref.)

Partially satisfied
15.3
72.5
12.2

1.6
1.2 – 2.1
6.9
3.2 – 14.7
Dissatisfied
4.8
38.1
57.1

1.7
1.0 – 2.9
14.4
7.4 – 27.8
Missing
25.0
50.0
25.0














Obesity (p < 0.001)



552




BMI < 30
40.0
52.6
7.4

1 (ref.)

1 (ref.)

BMI ≥ 30
28.0
58.0
14.0

1.2
0.8 – 1.7
2.1
0.9 – 4.8
Missing
31.8
36.4
31.8














Mental health (p < 0.001)



585




No mental distress
46.2
47.5
6.3

1 (ref.)

1 (ref.)

Light mental distress
24.1
64.8
11.1

1.4
1.0 – 2.1
2.7
1.1 – 6.4
Severe mental distress
2.8
73.6
23.6

1.9
1.4 – 2.6
7.5
4.1 – 13.7
Missing
-
-
-
-
-












Work environment








Physically strenuous work (p < 0.05)



562




Never
44.6
47.9
7.5

1 (ref.)

1 (ref.)

Sometimes/All the time
33.9
56.6
9.5

1.2
0.9 – 1.5
1.5
0.9 – 2.7
Missing
25.0
50.0
25.0














Mentally strenuous work (p < 0.05)



562




Never
50.6
41.8
7.9

1 (ref.)

1 (ref.)

Sometimes/All the time
36.8
55.6
8.7

1.3
0.9 – 1.8
1.4
0.6 – 3.2
Missing
25.0
50.0
25.0














Workplace stress (p > 0.05)



562




Never
32.8
56.9
10.3

1 (ref.)

1 (ref.)

Sometimes/All the time
39.7
52.0
8.3

0.9
0.6 – 1.3
0.7
0.3 – 1.7
Missing
25.0
50.0
25.0














Do you feel that you utilize your abilities at work? (p < 0.05)



558




Yes
44.2
49.8
6.0

1 (ref.)

1 (ref.)

Partially/No
33.2
55.2
11.6

1.2
0.9 – 1.4
2.2
1.2 – 3.9
Missing
25.0
56.3
18.8














To what extent do you personally make decisions about your work? (p > 0.05)



562




I decide myself
40.9
53.8
5.3

1 (ref.)

1 (ref.)

I partly decide/Immediate supervisor decides what and how
38.4
52.1
9.5

1.0
0.8 – 1.3
1.7
0.8 – 3.9
Missing
25.0
50.0
25.0














Are you satisfied with your work? (p < 0.000)



582




Satisfied
43.3
50.5
6.2

1 (ref.)

1 (ref.)

Partly satisfied/Not satisfied
12.6
63.2
24.1

1.5
1.2 – 2.1
5.3
3.0 – 9.2
Missing
50.0
50.0
-














Is there any risk that you might lose your job? (p > 0.05)



562




No
38.9
52.4
8.7

1 (ref.)

1 (ref.)

Yes
39.5
53.1
7.4

0.9
0.7 – 1.4
0.8
0.4 – 2.0
Missing
25.0
50.0
25.0














Work environment (total) (p < 0.01)



556




Good
52.2
43.4
4.4

1 (ref.)

1 (ref.)

Average
35.5
55.6
8.9

1.3
1.0 – 1.8
2.6
1.2 – 5.7
Bad
22.2
60.5
17.3

1.6
1.1 – 2.3
5.6
2.4 – 13.4
Missing
27.8
55.6
16.7






Note: Data on Work Ability (WA) were missing for 12 cases (2,01%)

Gamperiene et al. Journal of Occupational Medicine and Toxicology 2008 3:8   doi:10.1186/1745-6673-3-8