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Table 5 Mean, standard deviation (SD), Cronbach’s alpha, and item-total correlation of each item (C-19LAI)

From: COVID-19 Life Events-Anxiety Inventory (C-19LAI): development, reliability, and validity study on Egyptian population

Items Mean SD Cronbach’s alphab Item-total correlation
LE 9.41 4.06 .815  
Q1 .06 .234 .817 .101
Q2 .06 .238 .818 .095
Q3 .07 .252 .817 .119
Q4 .32 .467 .815 .219a
Q5 .33 .471 .817 .208a
Q6 .49 .500 .802 .470a
Q7 .55 .498 .803 .454a
Q8 .39 .488 .804 .432a
Q9 .57 .496 .805 .416a
Q10 .80 .402 .804 .442a
Q11 .72 .447 .800 .513a
Q12 .59 .493 .799 .514a
Q13 .53 .499 .800 .498a
Q14 .84 .367 .807 .381a
Q15 .70 .459 .798 .546a
Q16 .78 .416 .806 .402a
Q17 .03 .159 .816 .131
Q18 .56 .497 .808 .375a
Q19 .60 .491 .793 .607a
Q20 .44 .496 .805 .425a
  1. aCorrelation is significant at the 0.01 level
  2. bCronbach’s alpha value if an item is deleted