Reliability and validity of a Dutch version of the Leicester Cough Questionnaire

Cough

Table 3 Repeatability

Domain LCQ	Intraclass correlation coefficient		95%CI	p-value
	Birring [11]	Zwolle
Physical	0.93	0.86	0.76–0.92	<0.0001
Psychological	0.90	0.93	0.88–0.96
Social	0.88	0.93	0.87–0.96
Total	0.96	0.93	0.87–0.96

Results of the test-retest reliability analysis. The Intraclass correlation coefficients (ICC) are depicted separately for every domain and for the total questionnaire with the suitable 95% confidence interval (95%CI).