Table 2 Homogeneity of the three domains of the D-CES
From: Clinimetric evaluation and clinical outcomes of the Dutch version of the Chronic Ear Survey
Domain | Items | α if item deleted | Corrected item-total correlation |
|---|---|---|---|
Activity restriction | a1. Swimming | .05 | .56 |
α = .47 | a2. Keep water out | .30 | .33 |
a3. Interfering with social activities | .74 | .10 | |
Symptoms | s1. Hearing loss | .69 | .44 |
α = .72 | s2. Drainage | .65 | .59 |
s3. Pain | .76 | .11 | |
s4. Odor | .61 | .71 | |
s5. Impact of hearing loss | .66 | .51 | |
s6. Frequency of drainage | .74 | .12 | |
s7. Impact of odor | .63 | .62 | |
Medical resource | m1. Doctor visits | .68 | .41 |
α = .68 | m2. Oral antibiotics | .59 | .48 |
m3. Ear drops | .42 | .60 |