From: Are self-report of disability pension and long-term sickness absence accurate? Comparisons of self-reported interview data with national register data in a Swedish twin cohort
Measure of agreement
DP
LTSA
All
Women
Men
P o
96%
95%
97%
PA
64%
63%
65%
42%
43%
NA
94%
Sensitivity
70%
68%
72%
45%
Specificity
99%
100%
Kappa
0.76
0.74
0.77
0.58
0.57
0.59