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Table 2 Summary of psychosocial variable measurements.

From: The "Romsås in Motion" community intervention: program exposure and psychosocial mediated relationships to change in stages of change in physical activity

Variable Number of items/response format Example of sample items Definition of physical activity Original reference source on which items were based Cronbach's alpha, pre- – post-test
Social support   How often, over the last three months, did... None 29  
- family 11/1 (none) -5 (very often) ... your family/friends, acquaintances, co-workers do physical activities with you?    0.92 – 0.92
- friends, acquaintances, and co-workers 11/1 (none) -5 (very often)     0.93 – 0.93
Self-efficacy   I am confident I can participate in planned physical activity when... All physical activity, except work-related physical activity 30  
- psychological barriers 7/1 (not at all confident) -7 (extremely confident) ... I am tired    0.92 – 0.92
- practical barriers 5/1 (not at all confident) -7 (extremely confident) ... I have a lot of work to do    0.79 – 0.73
Attitude   Being regularly physically active the next month will to me be ... None 31,32  
- Evaluative 5/1–7 ... useless-useful    0.91 – 0.91
- Affective 3/1–7 ... unpleasant-pleasant.    0.86 – 0.87
Perceived behavioural control 4/1–7 How sure are you that you could be regularly physically active the next month?
unsure – sure
All types of physical activities 32 0.83 – 0.82
Identity 4/1 (suits badly) – 5 (suits well) To what degree do these statements describe you as a person: I view myself as a person who is concerned about physical activity None 24,33,34 0.92 – 0.92