Assessing health status and quality of life of Q-fever patients: the Nijmegen Clinical Screening Instrument versus the Short Form 36

Table 3 Correlations between the subdomains of the NCSI and SF-36

NCSI	Physical functioning	Role physical	Bodily pain	General health	Vitality	Social functioning	Role emotional	Mental health
Subjective pulmonary symptoms	.53	.43	.46	.53	.50	.51	.46	.40
Dyspnoea emotions	.50	.51	.46	.52	.50	.57	.53	.52
Fatigue	.59	.68	.61	.72	.85	.63	.47	.54
Behavioural impairment	.71	.60	.51	.54	.58	.58	.44	.40
Subjective impairment	.63	.54	.53	.59	.58	.59	.48	.45
General quality of life	.45	.49	.43	.53	.63	.59	.52	.76
Health-related quality of life	.61	.64	.58	.71	.77	.66	.54	.66
Satisfaction relations	.40	.43	.36	.46	.56	.58	.49	.60

Pearson’s correlations between subdomains of the Nijmegen Clinical Screening Instrument (NCSI) and Short Form 36 (SF-36) for Q-fever patients at 12 months after onset of illness. N = 309¹, p < .01 for all correlations. Correlations ≥ .70 are in italics.
1) N varies between 302 and 309 for individual correlations, due to missing values within some of the questionnaires.

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