- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02897804
Engineering an Online STI Prevention Program
January 8, 2019 updated by: Linda Collins, Penn State University
The overall objective of the proposed research is to reduce the incidence of sexually transmitted infections (STIs) among college students.
The investigators propose to accomplish this by using the innovative, engineering-inspired multiphase optimization strategy (MOST) to develop a highly effective, appealing, economical, and readily scalable internet-delivered behavioral intervention targeting the intersection of alcohol use and sexual risk behavior.
The rate of STIs on college campuses is alarming: one in four college students is diagnosed with an STI at least once during their college experience.
Sexual activity when drinking alcohol is highly prevalent among college students.
Alcohol use is known to contribute to the sexual risk behaviors that are most responsible for the transmission of STIs, namely unprotected sex, contact with numerous partners, and "hook-ups" (casual sexual encounters).
Few interventions have been developed that explicitly target the intersection of alcohol use and sexual risk behaviors, and none have been optimized.
In order to reduce the incidence of STI transmission among this and other high-risk groups, a new approach is needed.
MOST is a comprehensive methodological framework that brings the power of engineering principles to bear on optimization of behavioral interventions.
MOST enables researchers to experimentally test the individual components in an intervention to determine their effectiveness, indicating which components need to be revised and re-tested.
Given the high rates of alcohol use and sex among college students, the college setting provides an ideal opportunity for intervening on alcohol use and sexual risk behaviors.
The proposed study will include a diverse population of college students on 4 campuses which will increase the generalizability of the findings.
The specific aims are to (1) develop and pilot test an initial set of online intervention components targeting the link between alcohol use and sexual risk behaviors, (2) use the MOST approach to build an optimized preventive intervention, and (3) evaluate the effectiveness of the newly optimized preventive intervention using a fully powered randomized controlled trial (RCT).
This work will result in a new, more potent behavioral intervention that will reduce the incidence of STIs among college students in the US, and will lay the groundwork for a new generation of highly effective STI prevention interventions aimed at other subpopulations at risk.
Study Overview
Status
Completed
Intervention / Treatment
- Behavioral: Knowledge alone
- Behavioral: Self-efficacy alone
- Behavioral: Perceived benefits alone
- Behavioral: Perceived benefits and self-efficacy
- Behavioral: Injunctive norms
- Behavioral: Injunctive norms and self-efficacy
- Behavioral: Injunctive norms and perceived benefits
- Behavioral: Injunctive norms, perceived benefits, and self-efficacy
- Behavioral: Descriptive norms alone
- Behavioral: Descriptive norms and self-efficacy
- Behavioral: Descriptive norms and perceived benefits
- Behavioral: Descriptive norms,perceived benefits,self-efficacy
- Behavioral: Descriptive and injunctive norms
- Behavioral: Descriptive norms, injunctive norms,self-efficacy
- Behavioral: Descriptive and injunctive norms, benefits
- Behavioral: Descriptive and injunctive norms, benefits,efficacy
- Behavioral: Expectancies alone
- Behavioral: Expectancies and self-efficacy
- Behavioral: Expectancies and Perceived Benefits
- Behavioral: Expectancies, perceived benefits, self-efficacy
- Behavioral: Expectancies and injunctive norms
- Behavioral: Expectancies, injunctive norms, and self-efficacy
- Behavioral: Expectancies, injunctive norms, benefits
- Behavioral: Expectancies, injunctive norms, benefits, efficacy
- Behavioral: Expectancies and descriptive norms
- Behavioral: Expectancies, descriptive norms, and self-efficacy
- Behavioral: Expectancies, descriptive norms, and benefits
- Behavioral: Expectancies,descriptive norms, benefits, efficacy
- Behavioral: Expectancies, descriptive and injunctive norms
- Behavioral: Expectancies, descr& injun norms, efficacy
- Behavioral: Expectancies, desc & injun norms, benefits
- Behavioral: Expectancies,desc & injun norms,benefits,efficacy
Detailed Description
As part of the MOST approach, the investigators will conduct a series of screening experiments to build an optimized intervention.
The current study is the first (of two) screening experiments.
Study Type
Interventional
Enrollment (Actual)
3997
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
California
-
Fresno, California, United States, 93740
- Fresno State University
-
-
Illinois
-
Carbondale, Illinois, United States, 62901
- Southern Illinois University
-
-
North Carolina
-
Greensboro, North Carolina, United States, 27411
- North Carolina A&T State University
-
-
North Dakota
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Fargo, North Dakota, United States, 58108-6050
- North Dakota State University
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 30 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Currently enrolled at an American college or University.
- A first year student or first-year transfer student.
- 18 years of age or older.
- Have not gone through previous versions of itMatters before
Exclusion Criteria:
- Not a first year student or transfer student
- Younger than 18 years of age
- Have gone through previous versions of itMatters
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Knowledge alone
Participants will have access to the knowledge module for a period up to 3 weeks.
|
Increase knowledge related STIs, STI risk, alcohol impairment, condom use skills, alcohol use behavior tracking skills, testing & treatment services.
|
Experimental: Self-efficacy alone
Participants will have access to the knowledge module plus the self-efficacy module for a period up to 3 weeks.
|
Increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Perceived benefits alone
Participants will have access to the knowledge module plus the perceived benefits module for a period up to 3 weeks.
|
Increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Benefits and self-efficacy
Participants will have access to the knowledge module plus the perceived benefits and self-efficacy modules for a period up to 3 weeks.
|
Increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Injunctive norms alone
Participants will have access to the knowledge module plus the injunctive norms module for a period up to 3 weeks.
|
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking.
|
Experimental: Injunctive norms and self-efficacy
Participants will have access to the knowledge module plus the injunctive norms and self-efficacy modules for a period up to 3 weeks.
|
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Injunctive norms and perceived benefits
Participants will have access to the knowledge module plus the injunctive norms and perceived benefits modules for a period up to 3 weeks.
|
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Injunctive norms, perceived benefits,self-efficacy
Participants will have access to the knowledge module plus the injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
|
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Descriptive norms alone
Participants will have access to the knowledge module plus the descriptive norms module for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors.
|
Experimental: Descriptive norms and self-efficacy
Participants will have access to the knowledge module plus the descriptive norms and self-efficacy modules for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Descriptive norms and perceived benefits
Participants will have access to the knowledge module plus the descriptive norms and perceived benefits modules for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Descriptive norms,perceived benefits,self-efficacy
Participants will have access to the knowledge module plus the descriptive norms module for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Descriptive norms and injunctive norms
Participants will have access to the knowledge module plus the descriptive norms and injunctive norms modules for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors and correct misperceptions regarding approval of alcohol misuse & sexual risk taking.
|
Experimental: Descriptive norms, injunctive norms,self-efficacy
Participants will have access to the knowledge module plus the descriptive norms, injunctive norms, and self-efficacy modules for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Descriptive and injunctive norms, benefits
Participants will have access to the knowledge module plus the descriptive norms, injunctive norms, and perceived benefits modules for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Descriptive and injunctive norms, benefits,efficacy
Participants will have access to the knowledge module plus the descriptive norms, injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
|
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and Increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies alone
Participants will have access to the knowledge module plus the expectancies module for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter.
|
Experimental: Expectancies and self-efficacy
Participants will have access to the knowledge module plus the expectancies and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies and perceived benefits
Participants will have access to the knowledge module plus the expectancies and perceived benefits modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Expectancies, perceived benefits, self-efficacy
Participants will have access to the knowledge module plus the expectancies, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies and injunctive norms
Participants will have access to the knowledge module plus the expectancies and injunctive norms modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter and correct misperceptions regarding approval of alcohol misuse & sexual risk taking.
|
Experimental: Expectancies, injunctive norms, and self-efficacy
Participants will have access to the knowledge module plus the expectancies, injunctive norms, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies, injunctive norms, and benefits
Participants will have access to the knowledge module plus the expectancies, injunctive norms, and perceived benefits modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Expectancies, injunctive norms, benefits, efficacy
Participants will have access to the knowledge module plus the expectancies, injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies and descriptive norms
Participants will have access to the knowledge module plus the expectancies and descriptive norms modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter and correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors.
|
Experimental: Expectancies, descriptive norms, and self-efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies, descriptive norms, and benefits
Participants will have access to the knowledge module plus the expectancies, descriptive norms, and perceived benefits modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Expectancies,descriptive norms, benefits, efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies, descriptive and injunctive norms
Participants will have access to the knowledge module plus the expectancies, descriptive norms, and injunctive norms modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; and correct misperceptions regarding approval of alcohol misuse & sexual risk taking.
|
Experimental: Expectancies, descr& injun norms, efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, injunctive norms, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
Experimental: Expectancies, desc & injun norms, benefits
Participants will have access to the knowledge module plus the expectancies, descriptive norms, injunctive norms, and perceived benefits modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
|
Experimental: Expectancies,desc & injun norms,benefits,efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
|
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Descriptive norms about the intersection of alcohol and sex collected via an online questionnaire.
Time Frame: This measure will be assessed immediately following the 3-week intervention
|
This scale consists of 6 items and will be created as a weighted scale score.
Analyses will report the mean and standard deviation and expected mean values from a regression analysis.
The scale will reflect the average perceived prevalence of the alcohol and sex behaviors.
|
This measure will be assessed immediately following the 3-week intervention
|
Injunctive norms about the intersection of alcohol and sex collected via an online questionnaire.
Time Frame: This measure will be assessed immediately following the 3-week intervention
|
This scale consists of 6 items and will be created as a weighted scale score.
Analyses will report the mean and standard deviation and expected mean values from a regression analysis.
The scale will reflect the average perceived approval of the alcohol and sex behaviors, ranging from strongly disapprove to strongly approve.
|
This measure will be assessed immediately following the 3-week intervention
|
Expectancies about the intersection of alcohol use and sex collected via an online questionnaire.
Time Frame: This measure will be assessed immediately following the 3-week intervention
|
This scale consists of 10 items and will be created as a weighted scale score.
Analyses will report the mean and standard deviation and expected mean values from a regression analysis.
The scale will reflect the average number of drinks expected to experience the 10 different outcomes.
|
This measure will be assessed immediately following the 3-week intervention
|
Perceived benefits about using protective behavioral strategies collected via an online questionnaire.
Time Frame: This measure will be assessed immediately following the 3-week intervention
|
This scale consists of 11 items and will be created as a weighted scale score.
Analyses will report the mean and standard deviation and expected mean values from a regression analysis.
The scale will reflect the average likelihood of contracting an STI using the listed behaviors.
|
This measure will be assessed immediately following the 3-week intervention
|
Self-efficacy to use protective behavioral strategies collected via an online questionnaire.
Time Frame: This measure will be assessed immediately following the 3-week intervention
|
This scale consists of 9 items and will be created as a weighted scale score.
Analyses will report the mean and standard deviation and expected mean values from a regression analysis.
The scale will reflect the average level of confidence is using protective behavioral strategies to reduce the risk of contracting and STI, ranging from not at all confident to extremely confident.
|
This measure will be assessed immediately following the 3-week intervention
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Binge drinking behavior collected via an online questionnaire
Time Frame: This measure will be assessed 1 month following the completion of the intervention
|
This item asks how many times in the past two weeks a male has 5 or more drinks in a 2-hour period (or females 4 or more drinks in a 2-hour period).
This variable will be collapsed into 1 or more times versus other and reported as a prevalence of this behavior and used as a dichotomous outcome in regression analyses.
|
This measure will be assessed 1 month following the completion of the intervention
|
Unprotected sex behavior at most recent sex collected via an online questionnaire
Time Frame: This measure will be assessed 1 month following the completion of the intervention
|
This item asks whether or not a condom was used for oral, anal or vaginal sex.
This variable will be collapsed into a dichotomous variable with unprotected anal or vaginal sex versus other and reported as a prevalence of this behavior and used as a dichotomous outcome in regression analyses.
|
This measure will be assessed 1 month following the completion of the intervention
|
Penetrative sex at most recent hookup collected via an online questionnaire
Time Frame: This measure will be assessed 1 month following the completion of the intervention
|
This item asks whether or not the most recent hookup included vaginal or anal sex.
This variable will be collapsed into a dichotomous variable with penetrative sex versus other and reported as a prevalence of this behavior and used as a dichotomous outcome in regression analyses.
|
This measure will be assessed 1 month following the completion of the intervention
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
August 1, 2016
Primary Completion (Actual)
November 1, 2016
Study Completion (Actual)
June 1, 2017
Study Registration Dates
First Submitted
August 22, 2016
First Submitted That Met QC Criteria
September 12, 2016
First Posted (Estimate)
September 13, 2016
Study Record Updates
Last Update Posted (Actual)
January 9, 2019
Last Update Submitted That Met QC Criteria
January 8, 2019
Last Verified
January 1, 2019
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- R01AA022931 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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