Skip to main content
. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Prev Med. 2015 Jan 4;72:1–7. doi: 10.1016/j.ypmed.2014.12.022

Table 1.

Measures of theoretical constructs regarding physical activity.

Alpha Items
.90   Attitude toward physical activity
How foolish or wise would it be to exercise for 30 minutes at least 6 times a week in the next 6 months?
How unpleasant or pleasant would it be to exercise for 30 minutes at least 6 times a week in the next 6 months?
How harmful or beneficial would it be to exercise for 30 minutes at least 6 times a week in the next 6 months?
  Physical activity subjective norm
.94 Most people who are important to me would think it is okay for me to exercise for 30 minutes at least 6 times a week in the next 6 months
Most people who are important to me would think I should exercise for 30 minutes at least 6 times a week in the next 6 months.
Most people who are important to me would want me to exercise for 30 minutes at least 6 times a week in the next 6 months.
  Physical activity descriptive norm
How many of your 5 closest friends exercise for 30 minutes at least 6 times a week?
.71   Physical activity self-efficacy
I am confident that I can overcome obstacles that might prevent me from exercising for 30 minutes at least 6 times a week in the next 6 months.
I am sure that I can exercise for 30 minutes at least 6 times a week in the next 6 months.
.93   Physical activity intention
I plan to exercise for 30 minutes at least 6 times a week in the next 6 months.
My goal is to exercise for 30 minutes at least 6 times a week in the next 6 months
I will try to exercise for 30 minutes at least 6 times a week in the next 6 months.

Note. Items were rated on 5-point scales with labeled endpoints with the exception of the descriptive norm, which was measured on 4-point scales with labeled endpoints.