Table 2.
Item and Exploratory Factor Analyses for the Perceived Barriers Scale among Adolescent Girls (N = 1,011a)
Item | Item Analysis | Factor Analysis | ||||
---|---|---|---|---|---|---|
| ||||||
M | SD | Item-Total Correlation | Alpha if Item Deleted | LC | Communality (h2) | |
1. I feel embarrassed about the way I look whenever I exercise. | 1.26 | 1.15 | .46 | .85 | .50 | .25 |
2. I feel too lazy to exercise (not motivated). | 1.09 | 1.02 | .52 | .85 | .57 | .33 |
3. I am too busy. | 1.02 | .94 | .38 | .85 | .41 | .17 |
4. I would have to exercise alone. | 1.13 | 1.10 | .50 | .85 | .54 | .29 |
5. I need to have better skills. | 1.52 | 1.09 | .43 | .85 | .46 | .21 |
6. I have some pain from activity. | 1.22 | 1.06 | .43 | .85 | .46 | .21 |
7. I am tired. | 1.29 | .97 | .51 | .85 | .56 | .32 |
8. I have a bad day. | 1.14 | 1.01 | .47 | .85 | .51 | .26 |
9. I think exercise is hard work – “too much” for me to do. | .65 | .86 | .57 | .84 | .62 | .38 |
10. I hate to sweat during the school day. | 1.53 | 1.17 | .43 | .85 | .47 | .22 |
11. I want to do things other than physical activity with my time. | 1.25 | 1.05 | .54 | .85 | .59 | .34 |
12. The weather is bad. | .94 | 1.02 | .36 | .85 | .39 | .15 |
13. It costs too much to do physical activities that I like. | .99 | 1.02 | .50 | .85 | .54 | .29 |
14. It is hard to find good places to do physical activities that I like. | 1.22 | 1.05 | .57 | .84 | .62 | .38 |
15. Some people want me to do things other than physical activity with my time. | 1.20 | 1.06 | .50 | .85 | .54 | .29 |
16. It is hard to find physical activity programs or classes that I like to do. | 1.39 | 1.08 | .54 | .84 | .59 | .35 |
Note.
One girl did not complete the survey;
M=mean; SD=standard deviation; LC=loading coefficient.