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Table 3 Inter- and intra-rater reliability

From: Preliminary study of the Southampton Hand Assessment Procedure for Children and its reliability

SHAP-C tasks Assessor 1 Assessor 1 Assessor 2 Assessor 3 Intra-rater reliability: Assessor 1 Inter-rater reliability
Session 1 Session 2 Session 3 Session 3 (Session 1 and session 2) Assessor 1 (Session 2), Assessor 2 and Assessor 3
  Mean [SD] (seconds) Mean [SD] (seconds) Mean [SD] (seconds) Mean [SD] (seconds) Mean difference [SD] (seconds)a Pa RC (seconds) RRC (%) F-ratiob Pb RCb(seconds) RRC (%)
AO tasks             
Light sphere 0.77 [0.19] 0.70 [0.17] 0.90 [0.53] 0.65 [0.25] 0.07 [0.28] 0.221 0.55 74.4 F(1.3, 29.2) = 3.60 0.059 0.98 130.6
Light tripod 0.84 [0.20] 0.83 [0.21] 0.75 [0.24] 0.71 [0.35] 0.01 [0.26] 0.927 0.51 60.6 F(2, 46) = 1.39 0.259 0.70 91.6
Light power 0.88 [0.33] 0.78 [0.27] 0.83 [0.52] 0.60 [0.26] 0.10 [0.34] 0.144 0.68 82.3 F(2, 46) = 2.93 0.063 0.98 133.8
Light lateral 0.98 [0.25] 0.87 [0.20] 0.84 [0.30] 0.93 [0.34] 0.11 [0.25] 0.044* 0.53 58.0 F(2, 46) = 0.68 0.513 0.77 88.1
Light tip 0.80 [0.22] 0.78 [0.27] 0.78 [0.30] 0.75 [0.30] 0.02 [0.36] 0.790 0.68 86.6 F(2, 46) = 0.10 0.904 0.80 103.3
Light extension 0.96 [0.40] 0.89 [0.23] 0.66 [0.24] 0.98 [0.46] 0.07 [0.37] 0.365 0.72 77.5 F(2, 46) = 6.88 0.002* 0.93 110.2
Heavy sphere 0.83 [0.24] 0.80 [0.16] 0.76 [0.27] 0.78 [0.26] 0.03 [0.25] 0.521 0.49 59.3 F(2, 46) = 0.26 0.775 0.58 74.3
Heavy tripod 0.88 [0.29] 0.87 [0.37] 0.74 [0.28] 0.88 [0.46] 0.01 [0.48] 0.906 0.92 105.1 F(2, 46) = 1.42 0.252 0.91 109.7
Heavy power 0.95 [0.38] 0.80 [0.15] 0.76 [0.39] 0.79 [0.51] 0.14 [0.34] 0.049* 0.71 81.5 F(2, 46) = 0.10 0.901 0.97 123.3
Heavy lateral 1.24 [0.38] 1.22 [0.43] 1.23 [0.49] 1.13 [0.46] 0.03 [0.29] 0.663 0.56 45.6 F(2, 46) = 0.48 0.623 1.07 89.7
Heavy tip 1.03 [0.28] 1.01 [0.31] 0.79 [0.35] 0.97 [0.48] 0.01 [0.35] 0.845 0.67 65.9 F(1.7, 38.0) = 1.89 0.171 1.20 130.0
Heavy extension 0.96 [0.32] 0.91 [0.24] 0.87 [0.28] 1.05 [0.57] 0.05 [0.30] 0.389 0.58 62.5 F(1.4, 32.8) = 2.24 0.136 0.88 93.8
ADL tasks             
Pick up coins 6.28 [2.07] 5.71 [1.28] 5.14 [0.93] 5.42 [1.16] 0.57 [1.99] 0.173 3.98 66.3 F(2, 46) = 2.64 0.082 2.49 46.0
Undo buttons 22.76 [10.84] 20.91 [9.83] 18.60 [12.35] 14.17 [6.58] 1.84 [9.65] 0.359 18.87 86.4 F(1.6, 34.9) = 3.70 0.044* 24.09 134.7
Food cutting 7.08 [2.89] 5.93 [1.53] 4.41 [2.20] 5.54 [2.09] 1.14 [2.29] 0.023* 4.94 75.9 F(2, 46) = 6.05 0.005* 4.80 90.7
Page turning 1.75 [0.81] 1.41 [0.55] 1.26 [0.71] 1.06 [0.51] 0.33 [0.52] <0.01* 1.18 75.0 F(2, 46) = 5.40 0.008* 1.14 92.0
Remove jar lid 2.44 [1.09] 2.20 [1.01] 2.22 [1.52] 1.89 [1.15] 0.24 [0.65] 0.080 1.33 57.2 F(1.7, 39.4) = 1.02 0.359 2.47 117.2
Pour water from jug 6.08 [2.22] 5.08 [1.27] 4.75 [2.27] 4.59 [1.62] 1.00 [1.71] <0.01* 3.82 68.5 F(2, 46) = 1.01 0.371 3.34 69.5
Pour water from carton 10.85 [3.80] 8.88 [2.13] 8.59 [3.16] 8.06 [3.62] 1.97 [3.22] <0.01* 7.29 73.9 F(2, 46) = 1.03 0.366 5.59 65.7
Move a full jar 1.02 [0.36] 1.00 [0.29] 0.75 [0.24] 1.05 [0.58] 0.02 [0.32] 0.732 0.61 60.5 F(1.4, 32.0) = 5.09 0.021* 1.02 109.5
Move an empty tin 0.91 [0.31] 0.84 [0.27] 0.87 [0.60] 0.74 [0.27] 0.07 [0.30] 0.245 0.58 67.1 F(1.7, 38.3) = 0.69 0.481 1.10 135.3
Move a tray 3.00 [1.23] 2.98 [1.16] 3.58 [1.32] 3.05 [1.52] 0.02 [0.91] 0.903 1.74 58.2 F(2, 46) = 3.95 0.026* 2.40 75.0
Rotate a key 90° 0.75 [0.35] 0.70 [0.12] 0.72 [0.25] 0.88 [0.40] 0.04 [0.31] 0.492 0.60 82.9 F(1.7, 38.3) = 2.82 0.081 0.83 107.8
Open/close a zip 2.06 [0.98] 2.15 [1.04] 2.12 [0.88] 2.04 [1.10] −0.09 [1.00] 0.649 1.93 91.4 F(2, 46) = 0.11 0.896 2.37 112.7
Rotate a screw 90° 7.98 [2.86] 7.47 [2.06] 5.55 [2.40] 7.17 [2.50] 0.51 [2.67] 0.359 5.22 67.6 F(2, 46) = 6.60 0.003* 6.07 90.3
Rotate a door handle 0.70 [0.21] 0.60 [0.13] 0.57 [0.22] 0.70 [0.29] 0.10 [0.21] 0.030* 0.45 70.1 F(2, 46) = 2.58 0.087 0.58 93.7
  1. Abbreviations and notations: SHAP-C–Southampton Hand Assessment Procedure for Children, AO–abstract objects, S–session, A–assessor, SD–standard deviation, RC–repeatability coefficient, RRC–relative repeatability coefficient, P–significance value.
  2. aPaired t-test for the results of the first and the second session of assessor 1.
  3. bRepeated measures ANOVA for the results of assessor 1 (second session) assessor 2 and assessor 3.
  4. *Significance P < 0.05.