Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Other |
Examine Changes in Parental Rules about Underage Drinking (Permissiveness) |
Adapted from measures by Van Der Vorst et al. (2006), parental permissiveness of underage drinking will be assessed using six items (e.g., I am allowed to drink alcohol on special occasions), based on level of agreement on a 7-point scale ranging from (1) strongly disagree to (7) strongly agree. |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in Parental Communication |
Parental communication about alcohol use, IMPD, and RWID will be assessed separately for mothers and fathers. Participants will be asked whether their parent discussed these topics (yes/no) with them within the past three months. Items include topics such as "the importance of not being pressured to drink to fit it" and "the health reasons why you should not be allowed to get drunk once in a while". |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in Parental Communications |
General Communication (e.g., my mother/father is there for me when I want to talk) will be assessed separately for mothers and fathers based on level of agreement on a 7-point scale ranging from (1) strongly disagree to (7) strongly agree. |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in Alcohol Use Motives |
Motives will be assessed for using alcohol (e.g., to be sociable; Cooper, 1994). Responses will be recorded using 5-point scale ranging from (1) almost never/never to (5) almost always/always. |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in Alcohol Use Expectancies |
Expectancies for using alcohol (e.g., I will feel badly about myself because of my drinking) will be measured. Responses will be recorded using 7-point scale ranging from (1) strongly disagree to (7) strongly agree. |
Baseline, 3 month, 6 month, 9 month, 12 month |
|
Other |
Examine Changes in Willingness to Drink Alcohol |
Response options for willingness items will be on a 7-point scale ranging from (1) strongly disagree to (7) strongly agree. Willingness to drink will be measured with three items assessing participants' willingness to 1) drink 1-2 drinks in 2 hours; 2) drink 3-4 drinks in 2 hours; 3) drink 5+ drinks in 2 hours. |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in Peer Descriptive Norms |
Perceived peer descriptive norms of drinking will be measured using the Daily Drinking Questionnaire (DDQ; Collins, Parks, & Marlatt, 1985) by assessing how much alcohol, on average, participants' closest friends drink each day of the week. |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in General Parental Practices |
General Parenting Practices (e.g., if I had a personal problem I could ask my mother/father for help) will be assessed separately for mothers and fathers based on level of agreement on a 7-point scale ranging from (1) strongly disagree to (7) strongly agree. |
Baseline, 3 month, 6 month, 9 month |
|
Other |
Examine Changes in Peer Injunctive Norms |
Perceived peer injunctive norms will be measured by indicating the level of approval participants' closest friends would have from a list of items (e.g., drinking alcohol every weekend) on a 7-point scale ranging from (1) strongly disapprove to (7) strongly approve. |
Baseline, 3 month, 6 month, 9 month |
|
Primary |
Examine Changes in Alcohol Use |
A standard drink definition will be provided, indicating that a standard drink consists of 12 oz. of beer or wine cooler, 8.5 oz. of malt liquor, 4 oz. of wine, or 1.5 oz. of hard liquor. Using the Timeline Followback (TLFB; Sobell & Sobell, 1996) participants will indicate how many drinks they consumed on each day of the past three months. For days alcohol was consumed, participants will also note the number of hours spent drinking. |
Baseline, 3 month, 6 month, 9 month |
|
Secondary |
Examine Changes in Impaired Driving (IMPD) Behaviors |
Using the TLFB calendar, participants will indicate whether they drove a vehicle after using alcohol(Yes/No). |
Baseline, 3 month, 6 month, 9 month |
|
Secondary |
Examine Changes in Riding with Impaired Driver (RWID) Behaviors |
Using the TLFB calendar, participants will indicate whether they rode in a vehicle with a driver that had been drinking (Yes/No). |
Baseline, 3 month, 6 month, 9 month |
|
Secondary |
Examine Changes in Consequences of Alcohol Use |
Alcohol-related consequences (e.g., said or done embarrassing things, blackout) from the past three months will be measured using the established Brief Young Adult Alcohol Consequences Questionnaire (BYAACQ; Read, Kahler, Strong, & Colder, 2006). Response options will be measured on a 7-point scale ranging from (0) no, not in the past year to (6) 11 or more times in the past year. |
Baseline, 3 month, 6 month, 9 month |
|