Table 10. Age-adjusted odds ratios (OR) and 95% confidence intervals (CI) for balance abilities
associated with the work ability categories at baseline in 1996 (n = 135). (EC = eyes closed).


 

 

Predictor

Work ability index 1996

Physical work ability 1996

OR

CI

OR

CI

Functional balance (s)

Good 10.6

Average >10.613.1

Poor >13.1

 

1.0

2.3

2.2

 

 

1.0-5.4

0.9-5.4

 

1.0

5.2

3.2

 

 

2.0-13.4

1.2-8.5

Functional balance (errors)

Good <1

Average 1

Poor >1

 

1.0

0.7

1.0

 

 

0.3-1.5

0.3-2.9

 

1.0

1.5

2.3

 

 

0.7-3.2

0.8-7.0

Functional balance (s+errors)

Good 11.1

Average >11.114.6

Poor >14.6

 

1.0

1.2

2.4

 

 

0.5-5.4

0.9-5.4

 

1.0

2.5

3.8

 

 

1.0-5.8

1.4-10.8

Sway velocity EC (mms-1)

Good 19.2

Average >19.224.7

Poor >24.7

 

1.0

1.9

1.8

 

 

0.8-4.8

0.7-4.5

 

1.0

2.5

3.3

 

 

1.0-6.3

1.3-8.5

Sway amplitude EC (mm)

Good 6.0

Average >6.07.5

Poor >7.5

 

1.0

1.8

1.3

 

 

0.7-4.3

0.5-3.2

 

1.0

2.4

2.6

 

 

0.9-6.0

1.0-6.5

Perceived balance a

Good 4-5

Moderate 3

Poor 1-2

Perceived balance b

Good 4-5

Poor-to-moderate 1-3

 

1.0

8.3

57.7

 

1.0

9.8

 

 

3.2-21.4

9.9-336

 

 

3.8-24.9

 

1.0

4.4

34.4

 

1.0

5.5

 

 

1.7-11.4

6.1-193

 

 

2.2-13.7

a The 95% CIs were very wide,
b therefore the results were also computed using two categories.