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Table 2 Internal consistency

From: Construction of a traditional Chinese medicine syndrome-specific outcome measure: the Kidney Deficiency Syndrome questionnaire (KDSQ)

 

Cronbach’s Alpha

Baseline

(Sample A)

KDS-Yin

0.81

(n = 235)

Kidney-Essence deficiency*

0.76

(n = 292)

Deficiency heat*

0.72

(n = 292)

Impaired Kidney orifices

0.61

(n = 235)

Restlessness at night

0.48

(n = 292)

KDS-Yang

0.81

(n = 235)

Kidney-Qi deficiency*

0.76

(n = 292)

Deficiency Cold*

0.70

(n = 292)

Impaired Kidney orifices

0.61

(n = 235)

Abnormal urine excretion

0.56

(n = 292)

  1. The symptoms had good internal consistency in taping the concepts of KDS-Yin and KDS-Yang and their important domains * (>.70).