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Table 4 Item reliability statistics for the 16 items in the item generation component of the study, (n = 38, group 1)

From: Development and validation of the Newcastle laryngeal hypersensitivity questionnaire

  Scale mean if item deleted Scale variance if item deleted Corrected item-total correlation Squared multiple correlation Cronbach's alpha if item deleted
Abnormal sensation 70.36 300.479 .616 .661 .904
Phlegm 70.62 316.388 .367 .470 .912
Pain 68.07 312.166 .538 .631 .906
Stuck 69.86 297.638 .656 .736 .902
Blocked 69.17 293.654 .717 .769 .900
Dry 69.60 311.808 .378 .650 .913
Tight 69.62 288.046 .824 .870 .896
Irritated 70.60 306.296 .665 .688 .903
Pushing on chest 68.48 312.353 .507 .746 .907
Pressing on throat 68.79 293.343 .708 .898 .900
Constriction 69.57 302.348 .589 .630 .905
Food catches 68.74 308.735 .570 .664 .905
Tickle 70.33 305.886 .624 .731 .904
Itch 68.60 298.442 .644 .742 .903
Tingle 68.19 300.304 .711 .782 .901
Hot burning 67.64 324.333 .413 .637 .909