Table 3.

Psychometric properties of the newly adapted stigma scale

Validity	Correlations
CES-D (n, r, p-value)	n = 44, r = 0.529, p < .001
GAD-7 (n, r, p-value)	n = 39, r = 0.371, p = .014
CF symptom (n, r, p-value)	n = 44, r = 0.479, p = .001
SF- 12 (n, r, p-value)	n = 44, r = -.454, p = .002
CF-specific QOL (n, r, p-value)	n = 39, r = -.645, p < .001
Reliability
Internal consistency (α)	0.79
Mean Inter-item correlation (mean, N)	0.30 (44)
Three month test-retest (r, p-value)	r = 0.78; p < .001
	Baseline	Follow-up	p-value
Mean differences between response items (mean, SD)	16.6 (4.5)	16.9 (5.1)	0.3

Center for Epidemiologic Study-Depression scale (CES-D).

Cystic Fibrosis symptom scale (CF symptom).

General Anxiety Disorder -7 scale (GAD-7).

Short Form (SF)-12.

Cystic Fibrosis-specific Quality of Life (CF-specific QOL).