Skip to main content

Table 3 Median (SD), Mean (SD), Item-rest correlation, Item-total correlation, Cronbach’s alpha if item deleted, Cronbach’s alpha overall, and Cronbach’s alpha per subscale (n=159)

From: Validation and psychometric evaluation of the Dutch person-centred care of older people with cognitive impairment in acute care (POPAC) scale

  Median SDa IQRb Mean SDa Item-rest correlation Item-total correlation Cronbach’s alpha if item deleted Cronbach’s alpha overall Cronbach’s alpha per subscale
Item1 6 1.05 1 5.28 1.06 0.48 0.54 0.84 0.85 1. Using cognitive assessments and care interventions
with item 5: 0.60
without item 5: 0.72
Item2 5 1.05 1 4.75 1.05 0.56 0.67 0.84
Item3 5 1.06 2 4.90 1.06 0.46 0.49 0.84
Item4 4 1.20 2 3.87 1.20 0.43 0.48 0.84
Item5 5 1.31 2 4.64 1.31 0.11 −0.32 0.86
Item6 6 1.32 1 5.09 1.32 0.55 0.59 0.84 2. Using evidence and cognitive expertise
0.78
Item7 5 1.05 1 5.06 1.05 0.48 0.51 0.84
Item8 5 1.13 1 4.45 1.13 0.63 0.67 0.83
Item9 5 1.07 2 4.27 1.07 0.63 0.64 0.83 3. Individualizing care
0.80
Item10 5 0.88 1 4.77 0.88 0.48 0.51 0.84
Item11 4 1.29 2 3.62 1.29 0.52 0.51 0.84
Item12 4 1.37 2 3.59 1.37 0.59 0.58 0.83
Item13 4 1.12 2 4.16 1.12 0.34 0.34 0.85
Item14 4 1.46 3 4.26 1.46 0.35 0.37 0.85
Item15 4 1.18 2 4.15 1.18 0.73 0.73 0.83
  1. aStandard Deviation
  2. bInterquartile Range