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Table 6 Measures of internal consistency and stability

From: Development and psychometric testing of a new instrument to measure factors influencing women’s breast cancer prevention behaviors (ASSISTS)

Factor

The name of factor

Number of items

Cronbach alpha (n = 250)

ICC (n = 25)

1

Supportive systems

5 items (10–14)

0.850

0.932

2

Self-efficacy

3 items (7–9)

0.827

0.898

3

Self-care

7 items (24–30)

0.819

0.874

4

Stress management

3 items (31–33)

0.809

0.859

5

Motivation

3 items (4–6)

0.788

0.857

6

Information seeking

4 items (15–17, 20)

0.787

0.803

7

Attitudes

8 items (1–3, 18, 19, 21–23)

0.689

0.789

Total

33 items

0.797

0.860