Table 1 Measures of agreement between self-reported and national register data on disability pension (DP) and long-term sickness absence (LTSA) in a Swedish twin cohort (n = 31,122)
Measure of agreement | DP | LTSA | ||||
|---|---|---|---|---|---|---|
| Â | All | Women | Men | All | Women | Men |
P o | 96% | 95% | 97% | 96% | 95% | 97% |
PA | 64% | 63% | 65% | 42% | 42% | 43% |
NA | 95% | 94% | 96% | 96% | 95% | 97% |
Sensitivity | 70% | 68% | 72% | 45% | 45% | 45% |
Specificity | 99% | 99% | 99% | 99% | 99% | 100% |
Kappa | 0.76 | 0.74 | 0.77 | 0.58 | 0.57 | 0.59 |