Inter- and intra-observer reliability of clinical movement-control tests for marines

Table 3 Intra-observer reliability: Kappa coefficient, 95% confidence intervals, percent agreement and standard error

Test	BKFO	SB	SLKB+LL	DLL-L	DLL-ALE	DSLL
Observer A
Kappa coefficient (CI 95%)	0.64 (0.21-1.00)	0.48 (0.20-0.77)	0.43 (0.01-0.86)	0.63 (0.40-0.86)	0.39 (0.14-0.65)	0.24 (0–0.61)
% agreement	93.8	75.0	87.5	81.3	68.8	78.1
Std error	0.232	0.156	0.232	0.126	0.140	0.203
Observer B
Kappa coefficient (CI 95%)	0.53 (0.11-0.95)	0.39 (0.10-0.67)	0.31 (0–0.68)	0.40 (0.15-0.66)	0.21 (0–0.43)	0.32 (0–0.69)
% agreement	90.6	68.8	81.3	68.8	57.6	78.1
Std error	0.228	0.157	0.203	0.138	0.120	0.202
Mean kappa coefficient ^a	0.58	0.44	0.37	0.52	0.30	0.22

Abbreviations: BKFO, Bent knee fall-out; SB, Standing bow; SLKB+LL, Single leg small knee bend + lunge-lean; DLL-L Double leg lift-lower; DLL-ALE, Double leg lift-alternate leg extension; DSLL, Double straight leg lower; CI 95%, 95% confidence intervals; Std error, standard error.
^a Mean value of kappa coefficient obtained from observer A and B.

ISSN: 1471-2474