Table 3

Internal consistency of QOL-B scales

QOL-B V.3.0 scalen*Cronbach's αn*Cronbach's α
Respiratory Symptoms2460.842540.79
Physical Functioning2600.922670.91
Role Functioning2530.832550.86
Health Perceptions2600.792650.75
Emotional Functioning2620.842690.82
Social Functioning2530.782590.76
Treatment Burden†2330.792320.77
  • *QOL-B responses at baseline (day 0) were used for the analyses presented in this table.

  • †Patients who were not receiving treatment for bronchiectasis were instructed to skip the Treatment Burden scale.

  • QOL-B, Quality of Life-Bronchiectasis.