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Table 6 Internal consistency of domains according to the old and new factor structure

From: Psychometric evaluation of a culturally adapted illness perception questionnaire for African Americans with type 2 diabetes

Old Domains [7]

Cronbach’s Alpha

New Domains [9]

Cronbach’s Alpha

Consequences

0.851

External Consequences

0.832

Internal Consequences

0.730

Personal Control

0.323

Control

0.701

Treatment Control

0.606

Illness Coherence

0.697

Illness Interpretation

0.561

Emotional Representations

0.924

Present Emotional Representations

0.930

Future Emotional Representations

0.830

None

N/A

Sociocultural Influences

0.778

Timeline (Acute/Chronic)

0.646

Timeline

0.724

Timeline Cyclical

0.765

Timeline Cyclical

0.758