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Table 2 GRCD Scores—Reliability and Responsiveness

From: Psychometric evaluation of a caregiver diary for the assessment of symptoms of respiratory syncytial virus

GRCD Domain Day 13 to Day 14 ICC (95% CI) Alpha Last Day Effect Sizea Effect Sizeb SRMa SRMb
Cough 0.77 (0.61, 0.87) 0.94 −2.83 −4.40 −1.53 −2.72
Respiratory 0.81 (0.68, 0.90) 0.78 −2.73 −4.14 −1.69 −3.17
RSV symptoms 0.94 (0.89, 0.97) 0.84 −2.67 −4.16 −1.65 −3.16
Behavior impact 0.43 (0.13, 0.66) 0.84 −2.08 −2.70 −1.88 −2.82
Global 0.90 (0.82, 0.95) 0.84 −2.72 −3.91 −1.96 −3.49
  1. CI Confidence interval, ICC Intraclass correlation coefficient, SRM Standardized response mean
  2. aComputed using change from first day to seventh day
  3. bComputed using change from first day to last day