Validation of the severe respiratory insufficiency questionnaire for Chile

BMC Pulmonary Medicine

Table 4 Convergent validity between the dimensions of the Chilean SRI questionnaire and general quality of life measured by the SF-36 v2 (n = 248)

Chilean SRI questionnaire	SF-36v2 questionnaire
Chilean SRI questionnaire	Physical functioning	Physical role functioning	Bodily pain	General health perception	Vitality	Social role functioning	Emotional role functioning	Mental health
Respiratory complaints	0.39	0.50	0.29	0.57	0.44	0.46	0.44	0.42
Physical functioning	0.77	0.67	0.30	0.55	0.56	0.55	0.57	0.53
Attendant symptoms and sleep	0.35	0.44	0.35	0.46	0.44	0.38	0.43	0.49
Social relationships	0.40	0.47	0.22	0.40	0.55	0.48	0.49	0.57
Anxiety	0.33	0.50	0.27	0.56	0.45	0.42	0.43	0.43
Psychosocial well-being	0.45	0.55	0.31	0.64	0.70	0.57	0.59	0.77
Social functioning	0.53	0.61	0.33	0.61	0.62	0.59	0.59	0.58
Total SRI summary scale	0.57	0.67	0.37	0.69	0.68	0.62	0.64	0.67

Spearman’s rho correlation coefficient
The correlation is significant at the 0.01 level (one-tailed) for all dimensions
Correlations > 0.50 are bolded, and the highest correlations (> 0.60) are bolded and underlined

ISSN: 1471-2466