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Table 1 Descriptive statistics of the COVID-19 Impact Scale (N = 2152)

From: Development and validation of COVID-19 Impact Scale

Item

EFA Samplea (N1 = 1076)

CFA Sampleb (N2 = 1076)

Mean (SD)

rtot

α if item deleted

Mean (SD)

rtot

α if item deleted

Item 1

2.17 (0.94)

.69

.89

2.12 (0.93)

.69

.90

Item 2

2.09 (0.99)

.78

.89

2.07 (1.02)

.77

.89

Item 3

1.90 (0.86)

.56

.90

1.85 (0.88)

.60

.90

Item 4

1.93 (0.87)

.81

.89

1.89 (0.90)

.80

.89

Item 5

1.71 (1.02)

.75

.89

1.71 (1.04)

.75

.90

Item 6

1.16 (1.07)

.68

.89

1.10 (1.10)

.74

.90

Item 7

1.97 (0.95)

.76

.89

1.98 (0.98)

.76

.90

Item 8

1.49 (1.01)

.74

.89

1.50 (1.04)

.74

.90

Item 9

1.97 (1.12)

.60

.90

1.85 (1.10)

.60

.90

Item 10

2.14 (1.16)

.61

.90

2.07 (1.18)

.65

.90

Cronbach’s alpha

.90

  

.91 

  
  1. rtot = corrected item-total correlation
  2. aSkewness coefficients =  − 0.15 to 0.65; Kurtosis coefficients =  − 0.90 to 0.28
  3. bSkewness coefficients =  − 0.03 to 0.82; Kurtosis coefficients =  − 0.88 to 0.16