Table 5.
Measures of agreement, systematic disagreement (bias) and individual variability in pain-related problems with quality-of-life and pain between patient’s assessments on the validated Functional Barometer, FB(2.0) and the observer’s ICF-classifications
| The FB(2.0) items of quality-of-life and corresponding ICF codes | n | PA (%) |
Systematic disagreement (bias) |
Individual variation |
D |
|---|---|---|---|---|---|
| RP (95% CI) | RV (95%CI) | ||||
| Do you have problem because of your pain with…. | |||||
| Sleeping |
41 |
27% |
-0.47 |
0.08 |
0.09 |
| (ICF b 134) |
|
|
(-0.61 to -0.33) |
(0 to 0.16) |
|
| Energy |
38 |
34% |
-0.38 |
0.25 |
0.17 |
| (ICF b 130) |
|
|
(-0.57 to -0.19) |
(0.03 to 0.48) |
|
| Concentration |
41 |
20% |
-0.44 |
0.38 |
0.24 |
| (ICF b 160) |
|
|
(-0.64 to -0.24) |
(0.14 to 0.62) |
|
| Stress. psychological demands |
41 |
32% |
-0.30 |
0.30 |
0.20 |
| (ICF d 240) |
|
|
(-0.51 to -0.09) |
(0.08 to 0.52) |
|
| Emotional functions |
39 |
36% |
-0.32 |
0.27 |
0.20 |
| (ICF b 152) |
|
|
(-0.51 to -0.13) |
(0.08 to 0.47) |
|
| Gastro-intestinal functions |
41 |
37% |
-0.25 |
0.23 |
0.18 |
| (ICF b 535) |
|
|
(-0.44 to -0.06) |
(0.06 to 0.41) |
|
| Leisure time |
40 |
28% |
-0.65 |
0.15 |
0.13 |
| (ICF d 920) |
|
|
(-0.80 to -0.51) |
(0.02 to 0.27) |
|
| Family relation |
40 |
25% |
-0.47 |
0.27 |
0.18 |
| (ICF d 760) |
|
|
(-0.66 to -0.28) |
(0.06 to 0.47) |
|
| Partner relationship |
29 |
38% |
-0.38 |
0.26 |
0.19 |
| (ICF d 770) |
|
|
(-0.60 to -0.16) |
(0.04 to 0.47) |
|
| Contact with friends |
40 |
35% |
-0.54 |
0.12 |
0.11 |
| (ICF d 750) |
|
|
(-0.70 to -0.39) |
(0 to 0.25) |
|
| Self-support |
40 |
25% |
-0.13 |
0.20 |
0.16 |
| (ICF d 750) |
|
|
(-0.32 to 0.06) |
(0.03 to 0.37) |
|
| Managing pay-work |
29 |
38% |
-0.25 |
0.33 |
0.22 |
| (ICF d 850) |
|
|
(-0.48 to -0.02) |
(0.06 to 0.59) |
|
|
Perceived pain |
|
|
|
|
|
| Pain just now |
41 |
44% |
-0.40 |
0.14 |
0.12 |
| (ICF b 280) |
|
|
(-0.55 to -0.24) |
(0 to 0.29) |
|
| Pain the last week |
41 |
37% |
-0.38 |
0.05 |
0.06 |
| (ICF b 280) |
|
|
(-0.51 to -0.24) |
(0 to 0.09) |
|
| The mildest pain |
41 |
34% |
-0.28 |
0.14 |
0.12 |
| (ICF b 280) |
|
|
(-0.47 to -0.10) |
(0.01 to 0.27) |
|
| The worst pain |
41 |
46% |
0.00 |
0.23 |
0.19 |
| (ICF b 280) | (-0.22 to 0.22) | (0.04 to 0.43) | |||
The measures of percentage agreement (PA), the systematic disagreement in position (RP), individual variability (RV), disorder (D), and corresponding 95% confidence intervals (95% CI).