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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.