Table 3 Cronbach’s alpha or KR 20 of included questionnaires
Cronbach’s α (or KR 20) | Total scales | Subscales / Subpopulations |
|---|---|---|
<.70 | - | API-German Subscale SDM & Subscale IS (premedication visit) [87] CCEQ subscale Accessing support [67] HOS subscale I &HOS subscale B [89] PPOS-D12 Subscale Sharing & Subscale Caring [74] PPOS Subscale Caring Patient sample [34] |
.71—.80 | DES-3 [71] DES-10 [71] HOS [89] HOS [76] PPOS [34] PPOS-D12 [74] | API-German Subscale IS (chronic pain clinic) [87] CaPIN Subscale 2 & Subscale 3 [83] HOS Subscale I & Subscale B [76] KOPRA subscale Communication about pers. circumstances [64] PPET Subscale RE, Subscale IG, Subscale SA & Subscale FI [72] PPOS Subscale Sharing Patient sample [34] |
.81—.90 | API [34] CaPIN [83] ISQ [89] | CPCF subscale Diagnosis/Prognosis & subscale Impact of treatment [61] CaPIN Subscale 1 & Subscale 4 [83] CDMS-P PD (section A & B) Patient version [85] KOPRA Subscale Effective and open communication & Subscale Emotionally supportive communication [64] PPET Subscale IDM & Subscale AP [72] |
>.91 | CPCF [61] HIW [90] | CPCF subscale Treatment Options [61] KOPRA subscale Patient participation and patient orientation [64] |