
Psychometric Properties of the Asthma Symptom Diary (ASD), a Diary for Use in Clinical Trials of Persistent Asthma
Keywords: Asthma; Symptoms; Patient-reported outcome; Psychometrics; Validity; ACQ; Asthma Control Questionnaire; AQLQ; Asthma Quality of Life Questionnaire; ASD; Asthma symptom diary; CDF; Cumulative distribution function; CFA; Confirmatory factor analysis; CFI; C