Table 3.

Correlation between individual questions on the three questionnaires (Kappa)

	Inter-questionnaire correlation
	Q1vsQ2	Q2vsQ3
cope with life	0.54	0.74
understand your illness	0.65	0.75
cope with your illness	0.61	0.65
keep yourself healthy	0.56	0.61
confident about your health	0.54	0.74
able to help yourself	0.57	0.65

Q1vsQ2: Correlation between responses to individual questions on questionnaire 1 (Q1) and questionnaire 2 (Q2).

Q2vsQ3: Correlation between responses to individual questions on questionnaire 2 (Q2) and questionnaire 3 (Q3).