Table 1 Description of the psychosocial variables and psychometric values
Variables | Seven-point scales | Internal consistency* | Test-retest reliability† |
|---|---|---|---|
Intention | 0.76 | 0.80 | |
- I intend to participate ... | Very unlikely/very likely | ||
- My plans are to participate regularly ... | Strongly disagree/strongly agree | ||
- I estimate that my chances to participate ... | Extremely weak/extremely good | ||
Attitude | 0.93 | 0.64 | |
I think that participating ... would be ... | Very tiresome/very stimulating | ||
Very unenjoyable/very enjoyable | |||
Very dull/very interesting | |||
Very unpleasant/Very pleasant | |||
Very bad/very good | |||
Very useless/very useful | |||
Very Disadvantageous/ very advantageous | |||
Very harmful/very beneficial | |||
Subjective norm | 0.83 | 0.59 | |
- People who are important to me would recommend me to participate ... | Strongly disagree/strongly agree | ||
- People who are important to me thing I should participate ... | Strongly disagree/strongly agree | ||
- If you had participate ..., people who are important to you would ... | Strongly disapprove/ strongly approve | ||
Perceived behavioural control | 0.86 | 0.89 | |
- I feel capable to participate ... | Strongly disagree/strongly agree | ||
- I am confident that I could ... | Strongly disagree/strongly agree | ||
- It is completely up to me whether I participate ... | Strongly disagree/strongly agree | ||
- I am going to have the freedom to participate ... | Strongly disagree/strongly agree | ||
- For me, participating ... | Very difficult/very easy | ||
- How much control do you feel you have over the fact of participating ... | No control at all/complete control | ||
Behavioural beliefs (ten items) | 0.79 | 0.49 | |
- If I had participated ..., I would control better my diabetes | Very unlikely/very likely | ||
Normative beliefs (five items) | 0.82 | 0.73 | |
- My physician would disapprove-approve that I participate ... | Strongly disapprove/ strongly approve | ||
Control beliefs (six items) | 0.86 | 0.78 | |
- If I had a lack of access to facilities, I would participate ... | Very unlikely/very likely | ||
Anticipated regret | 0.86 | 0.32 | |
- If I did not participate ..., I would regret it/It would preoccupied me/It would worry me | Strongly disagree/strongly agree | ||
Moral Norm | 0.77‡ | 0.43 | |
- It is in my principles to participate ... | Strongly disagree/strongly agree | ||
- I would fell guilty about not to participate ... | Strongly disagree/strongly agree | ||
Descriptive norm | |||
- According to you, what proportion of individuals with diabetes participate...? | 0% to 10%, 11% to 20%, 21% to 29%, etc. | - | 0.66 |