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Table 1 Weighted kappa (K w ) and overall agreement (P o ) using linear weights, frontal plane postural orientation, 3 rd and 7 th grade (n= 72)

From: Single leg mini squat: an inter-tester reproducibility study of children in the age of 9–10 and 12–14 years presented by various methods of kappa calculation

3rdgrade Kw Po 7thgrade Kw Po
Right ankle 0.71 0.92 Right ankle 0.60 0.92
- knee 0.68 0.89 - knee 0.54 0.86
- hip 0.80 0.93 - hip 0.61 0.89
- trunk 0.86 0.97 - trunk 0.73 0.96
Left ankle 0.67 0.92 Left ankle 0.61 0.92
- knee 0.59 0.87 - knee 0.66 0.92
- hip 0.70 0.91 - hip 0.70 0.92
- trunk 0.77 0.94 - trunk 0.77 0.97