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Table 12 Split-half coefficient in the validation phase (N = 25, age ≤ 7)

From: Development and initial validation of a traditional Chinese medicine symptom-specific outcome measure: a Zheng-related atopic dermatitis symptom questionnaire (ZRADSQ)

 

No. of items

Cronbach's alpha

Spearman-brown coefficient

Equal length

Unequal length

Part 1

6

0.85

0.91

0.91

Part 2

6

0.74

  1. Part 1: Itching aggravated at night, itching, dry skin, itching accompanied by pain, burning skin, insomnia.
  2. Part 2: Thirst, mouth dryness, constipation, dark urine, fidgeting, irascibility.
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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