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Table 2 Measurement properties of psychosocial scales

From: Physical activity levels six months after a randomised controlled physical activity intervention for Pakistani immigrant men living in Norway

Variable

Number of items / response format

Example of sample items

Original reference source on which items were based

Cronbach`s alpha

    

Baseline, FU1 and FU2 (range)

Social support

 

Have your family/friends…

[47]

 

- family

6 / 1 (never) - 5 (very often)

… Encouraged you to be physically active?

 

0.85-0.87

- friends

6 / 1 (never) - 5 (very often)

  

0.87-0.88

Self-efficacy

7 / 1 (not at all confident) - 7 (very confident)

I am confident I can participate in planned physical activity when… I am tired

[48]

0.87-0.89

Outcome expectancies

6 / 1 (unlikely) – 7 (very likely)

If I am regularly physically active in the next month… Iwill get in better shape

 

0.85-0.89