Validation of the Hungarian version of the SRI Questionnaire

BMC Pulmonary Medicine

Table 3 Cronbach’s alpha reliability

Scale	Cronbach alpha	ICQ (min-max)	ICS (min-max)
SRI-RC	0.810	−0.053-0.621	0.758–0.866
SRI-PF	0.836	−0.382-0.704	0.781–0.880
SRI-AS	0.635	−0.330-0.584	0.516–0.734
SRI-SR	0.612	−0.350-0.620	0.484–0.717
SRI-AX	0.726	−0.451-0.569	0.633–0.802
SRI-WB	0.630	−0.492-0.591	0.513–0.728
SRI-SF	0.849	−0.452-0.704	0.800–0.890

ICQ item correlation coefficient with the rest of the questionnaire, ICS item correlation coefficient with its own scale, SRI-RC respiratory complaints, SRI-PF physical functioning, SRI-AS attendant symptoms and sleep, SRI-SR social relationships, SRI-AX anxiety, SRI-WB psychosocial well-being, SRI-SF social functioning, SRI-SS - summary scale

ISSN: 1471-2466