From: Agreement between a self-administered questionnaire on musculoskeletal disorders of the neck-shoulder region and a physical examination
Time elapsed
Global agreement
Agreement among cases(2)
Agreement among non-cases (3)
Sn
Sp
Kappa
95% CI
%(4)
%
≤ 21 days (n = 92)
0.54
0.37–0.716
77
83
71
75
80
>21 days (n = 95)
0.33
0.15–0.52
66
74
61
56
78