Table 4.
Reliability: consistency of data on productivity losses (paid work: n=79)
| Absolute agreement (%) | Cohen’s Kappa | Yes (%) | ICC (95% CI) | |
|---|---|---|---|---|
| Were you on sick leave? |
87.3 |
0.654 |
25.3 |
- |
| Number of days off work during last 2 weeks |
|
|
25.3 |
0.825 |
| (0.553-0.940) | ||||
| Sick leave episode > 2 weeks? |
93.7 |
0.762 |
11.1 |
- |
| Were you impeded during paid work? |
81.3 |
0.646 |
- |
- |
| Number of days at work while impeded |
- |
- |
27.3 |
0.556 |
| (0.224-0.771) | ||||
| Efficiency rate* (at work while impeded) | - | - | 27.3 | 0.729 |
| (0.492-0.866) |
- Not applicable; * Rate ranging from 1 to 10 indicating much to no influence of health problems on work performance.