|
| Construct | Example item | No. of items | Response format | Alpha |
|
| Behavioral knowledge | | | | |
| STI signs and symptoms knowledge | Symptoms of an STD, pain or burning when urinating (going to the bathroom) | 5 | True, false | 0.46 |
| HIV/STI knowledge | Some STDs put you at higher risk of getting infected with HIV | 4 | True, false, not sure | 0.47 |
| Condom knowledge | Do condoms reduce the risk of HIV, the virus that causes AIDS? | 3 | Yes, no, not sure | 0.51 |
|
| Perceived self-efficacy | | | | |
| Refusal self-efficacy | Could you stop them if they wanted to touch your private parts below the waist? | 7 | 4 points (definitely could not to definitely could) | 0.87 |
| Condom self-efficacy | If you wanted to get a condom, how sure are you that you could go to the store and buy one? | 5 | 4 points (definitely could not to definitely could) | 0.61 |
|
| Behavioral and normative beliefs | | | | |
| Sexual beliefs | I believe it’s OK for people my age to have sex with a steady boyfriend or girlfriend | 4 | 4 points (strongly disagree to strongly agree) | 0.78 |
| Beliefs about abstinence | I believe having sex before marriage is wrong | 3 | 4 points (strongly disagree to strongly agree) | 0.72 |
| Perceived friends’ beliefs | Most of my friends believe people should wait until they are older before they have sex | 3 | 4 points (strongly disagree to strongly agree) | 0.75 |
| Perceived friends’ sexual behavior | How many of your friends have had oral sex? | 4 | None, few, some, most | 0.77 |
| Perceived norms about condoms | Most of my friends believe condoms should always be used if a person my age has sex. | 3 | 4 points (strongly disagree to strongly agree) | 0.84 |
| Reasons for having sex+ | To feel more accepted and loved | 8 | [checked, not checked] | 0.61 |
| Reasons for not having sex+ | Because I do not want a baby right now | 9 | [checked, not checked] | 0.79 |
|
| Risky situations | | | | |
| Exposure to risky situations | In the past 3 months, how often have you been alone with someone you are very attracted to? | 7 | Never to 6 or more times | 0.79 |
|
