Table 4 Internal consistency reliability.

From: Development and validation of two shortened anxiety sensitive index-3 scales based on item response theory

Scale

Physical

Social

Cognitive

Whole

α

ω

α

ω

α

ω

α

ω

ASI-3

0.837

0.847

0.822

0.816

0.818

0.858

0.915

0.931

SASI-12

0.842

0.856

0.818

0.827

0.806

0.821

0.903

0.927

SASI-6

0.776

0.793

0.707

0.678

0.631

0.740

0.812

0.875

  1. Results obtained from the validation sample.
  2. ASI-3 anxiety sensitivity index-3 with 18 items, SASI-12 12-item version of short ASI-3, SASI-6 6-item version of short ASI-3, α Cronbach’s α coefficient, ω McDonald’s ω coefficient.