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Table 4 Descriptive statistics of subscalesa

From: A framework and a measurement instrument for sustainability of work practices in long-term care

  Rout I Rout II Rout III Skills Docu Mat Refl
Initial model
(52 items)
       
# items 10 8 5 8 9 7 5
N 85(24%) 81(28%) 88(21%) 69(38%) 71(37%) 80(29%) 91(19%)
Item mean¤ 3.38 3.31 3.50 3.26 3.51 3.8 3.3
Item variance 0.73 0.71 0.63 0.83 0.74 0.49 0.82
Scale mean 33.8 26.4 17.5 26.1 31.6 26.5 16.6
Scale SD 5.4 3.4 2.6 5.7 5.2 3.3 3.7
Theoretical range 0 - 50 0 - 40 0 - 25 0 - 40 0 - 45 0 - 35 0 -25
Average inter-item correlation
(min.; max.)
0.34
(-09;.71)
0.15
(-21;.61)
0.29
(-01;.48)
0.56
(.18; 89)
0.39
(-.22;.75)
0.37
(.09; .66)
0.58
(.38; .73)
Cronbach's alpha 0.83 0.58 0.67 0.91 0.85 0.80 0.87
Long version
(40 items)(
       
N 89 91 88 70 81 81 91
Score range 8-36 4-18 4-17 7-33 7-34 6-25 5-21
Mean 27.1 13.7 14 22.4 25.1 19 16.6
SD 4.9 2.5 2.3 5.6 4.5 2.8 3.7
# items 8 4 4 7 7 5 5
Items included 1,2,5-10 13,16, 18,11 19-21, 23 24,25, 27-31 32-35, 38-40 41-43, 46,47 48-52
Cronbach's alpha 0.86 0.70 0.71 0.93 0.87 0.82 0.87
Short version
(30 items)
       
N 90 91 88 74 83 86 92
Score range 5-23 3-14 4-17 5-23 5-25 4-20 4-17
Mean 16.9 10.2 14 16.2 18.2 15.4 12.9
SD 3.5 2.1 2.3 4.1 3.5 2.3 3.2
# items 5 3 4 5 5 4 4
Items included 1,2,5,7, 10 13,16, 18 (11) 19-21, 23 25,27-31 34,35,
38-40
41-43, 47 48-51
Cronbach's alpha 0.85 0.75 0.71 0.92 0.89 0.81 0.87
Correlation with long version 1 0.95 0.96 0.93 0.98 0.96 0.98 0.98
  N = 115 N = 111 N = 107 N = 105 N = 105 N = 104 N = 111
  1. arout I = Routinization I. rout II = Routinization II. rout III = Routinization III. Skills = Institutionalization of Skills. Docu = Institutionalization of Documentation Materials. Mat = Institutionalization of Practical Materials. Refl = Institutionalization of Team Reflection. ¤ is the average mean and average variance on the items of a given subscale. 1 for all r, p < .01