Table 7– Longitudinal construct validity#: 1–4 weeks
QuestionnaireΔMiniPAQLQΔRCPΔACDΔPACQLQGlobal Rating of Change Questionnaire
ΔACQ all questions−0.890.810.83−0.79−0.72−0.66
Δsymptoms alone−0.930.810.79−0.84−0.75−0.69
Δsymptoms plus FEV1 % pred−0.910.810.82−0.80−0.75−0.68
Δsymptoms plus SABA use−0.910.810.81−0.83−0.71−0.66
  • Δ: change; MiniPAQLQ: Mini Paediatric Asthma Quality of Life Questionnaire; RCP: Royal College of Physicians’ “Three Questions”; ACD: Asthma Control Diary; PACQLQ: Paediatric Asthma Caregiver’s Quality of Life Questionnaire; ACQ: Asthma Control Questionnaire; FEV1: forced expiratory volume in 1 s; % pred: % predicted; SABA: short-acting β2-agonist. #: Pearson correlation coefficients.