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| ID | Type | Description | Link |
|---|---|---|---|
| 1R01MH096660-01A1 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| Northwestern University | OTHER |
| National Institute of Mental Health (NIMH) | NIH |
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The purpose of this study is to examine whether Guy2Guy (G2G), a text messaging-based healthy sexuality and human immunodeficiency virus (HIV) prevention program intervention for 14-18 year gay, bisexual and queer men, is associated with HIV preventive behavior (e.g., condom use) compared to an attention-matched control group.
Adolescent men who have sex with men (AMSM) are disproportionately affected by HIV. They account for almost 70% of HIV diagnoses among all young people and are the only risk group with an increasing number of HIV/AIDS diagnoses. Despite this disproportionate burden, current HIV prevention programs focus primarily on adults and heterosexual youth. As such, there is an urgent need for evidence-based HIV prevention programs targeting AMSM. Because issues affecting sexual health decisions among AMSM are unique, intervention programs cannot be translated from heterosexually focused interventions. Instead, they need to be designed from the ground up to ensure appropriately tailored content that resonates with the target population. Evidence-based HIV prevention programs targeting AMSM are urgently needed.
The Guy2Guy (G2G) intervention is a text messaging-based HIV prevention program designed for the specific needs of adolescent males who self-identify as gay, bisexual, or queer (GBQ) and are between the ages of 14-18 years. The intervention will be tested in a randomized controlled trial against an attention-matched control group which receives text messages about healthy lifestyle (e.g., exercise, nutrition). A total of 300 GBQ adolescent males will be into the study using an online recruitment strategy. The study is being conducted by researchers at the Center for Innovative Public Health Research and Northwestern University.
The primary efficacy outcome measures are unprotected sex acts and abstinence at 3-months follow-up. The investigators hypothesize that those in the G2G intervention will be significantly more likely to be engage in HIV preventive behavior (e.g., use condoms when having vaginal/anal sex) at 3-months follow-up compared to the attention-matched control group. Secondary efficacy outcomes include unprotected sex acts and abstinence at 3-month follow-up by sexual experience groups (i.e., ever had sex versus never had sex at baseline), HIV testing rates, and unprotected sex acts and abstinence at intervention end (5 weeks post enrollment) for those in the intervention versus control groups; and for participants who were sexually experienced and inexperienced at baseline, separately.
If effective, G2G has promise to be quickly and cost-effectively implemented to scale to help to curb the spread of HIV infection among AMSM long into adulthood.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Guy2Guy (G2G) | Experimental | G2G is a 6-week HIV prevention program delivered daily via text messaging to 14-18 year old males who self-identify as gay, bisexual, and/or queer. In addition to program content, participants are paired with another participant (i.e., a Text Buddy) with whom they can text throughout the program to provide support; and an on-demand advice line, G2Genie, which shares information about condoms, sex, relationships, and the lesbian, gay, bisexual, transgender (LGBT) community. |
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| Healthy Lifestyle Control | No Intervention | The attention-matched control arm message content consists of information publicly available online related to living a healthy lifestyle. Content discussed includes: STD information, nutrition and sleep hygiene, self-esteem and body image, bullying, and drugs and alcohol. The control arm is 6-weeks in length (Week 6 is a review booster) and is delivered via text messaging. Messages are didactic and not tailored to user sexual experience. Additionally, the Text Buddy and G2Genie intervention program components are not available. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Guy2Guy (G2G) | Behavioral | G2G is a text messaging-based healthy sexuality and HIV prevention program specifically for 14-18 year old GBQ adolescent males. Content is guided by the Information-Motivation-Behavioral Skills (IMB) model and focuses on: HIV information, motivations to engage in HIV preventive behavior, communication skills, behavioral skills (e.g., using a condom; HIV testing); and healthy/unhealthy relationships. Behavioral skills content is reinforced using brief online videos. The intervention is 5 weeks long. A "booster" is delivered 6-weeks post-intervention end and reviews the topics covered in the intervention. G2G content is tailored based upon whether one is abstinent or sexually active. |
| Measure | Description | Time Frame |
|---|---|---|
| The Number of Condomless Sex Acts at 3-months Post-intervention | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at 3-months post-intervention. The count was truncated at 10 or higher to correct for over-dispersion. | 3-months post-intervention |
| Percent of Boys Reporting Abstinence at 3-months Post-intervention | At 3 months post intervention participants were asked whether or not they had had vaginal and anal sex in the past 90 days. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined in the intervention versus control group. | 3-months post-intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Unprotected Sex Acts Among Sexually Experienced at 3-months Post-intervention | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at 3-months post-intervention among youth who have ever had sex at baseline | 3-months post-intervention |
| Number of Unprotected Sex Acts Among Sexually Inexperienced at 3-months Post-intervention |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Michele L Ybarra, PhD | Center for Innovative Public Health Research | Principal Investigator |
| Brian S Mustanski, PhD | Northwestern University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Center for Innovative Public Health Research | San Clemente | California | 92672-6745 | United States | ||
| Northwestern University |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 27492781 | Background | Prescott TL, Phillips Ii G, DuBois LZ, Bull SS, Mustanski B, Ybarra ML. Reaching Adolescent Gay, Bisexual, and Queer Men Online: Development and Refinement of a National Recruitment Strategy. J Med Internet Res. 2016 Aug 4;18(8):e200. doi: 10.2196/jmir.5602. | |
| 27185621 | Background | Ybarra ML, Prescott TL, Phillips GL 2nd, Parsons JT, Bull SS, Mustanski B. Ethical Considerations in Recruiting Online and Implementing a Text Messaging-Based HIV Prevention Program With Gay, Bisexual, and Queer Adolescent Males. J Adolesc Health. 2016 Jul;59(1):44-9. doi: 10.1016/j.jadohealth.2016.03.020. Epub 2016 May 13. |
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All participants were recruited through national advertisements on Facebook. Multiple ad images and text were used. To ensure a demographically representative sample, targeted ads were also used to enroll individuals from particular subgroups who are typically more difficult to engage in research
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| ID | Title | Description |
|---|---|---|
| FG000 | Guy2Guy (G2G) | Guy2Guy (G2G) is a 6-week HIV prevention program delivered daily via text messaging to 14-18 year old males who self-identify as gay, bisexual, and/or queer. In addition to program content, participants were paired with another participant (i.e., a Text Buddy) with whom they can text throughout the program to provide support; and an on-demand advice line, G2Genie, which shares information about condoms, sex, relationships, and the LGBT (lesbian, gay, bisexual, transgender) community. Content is guided by the Information-Motivation-Behavioral Skills (IMB) model and focuses on: HIV information, motivations to engage in HIV preventive behavior, communication skills, behavioral skills (e.g., using a condom; HIV testing); and healthy/unhealthy relationships. Behavioral skills content was reinforced using brief online videos. The intervention is 5 weeks long. A "booster" is delivered 6-weeks post-intervention end and reviews the topics. Content is tailored by sexual experience. |
| FG001 | Healthy Lifestyle Control | The attention-matched control arm message content consists of information publicly available online related to living a healthy lifestyle. Content discussed includes: STD (sexual transmitted diseases) information, nutrition and sleep hygiene, self-esteem and body image, bullying, and drugs and alcohol. The control arm is 6-weeks in length (Week 6 is a review booster) and is delivered via text messaging. Messages are didactic and not tailored to user sexual experience. Additionally, the Text Buddy and G2Genie intervention program components are not available. |
| Title | Milestones | Reasons Not Completed | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intervention End (5 Weeks Post Baseline) |
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| 3 Month Post-intervention |
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| ID | Title | Description |
|---|---|---|
| BG000 | Guy2Guy (G2G) | Guy2Guy (G2G) is a 6-week HIV prevention program delivered daily via text messaging to 14-18 year old males who self-identify as gay, bisexual, and/or queer. In addition to program content, participants were paired with another participant (i.e., a Text Buddy) with whom they can text throughout the program to provide support; and an on-demand advice line, G2Genie, which shares information about condoms, sex, relationships, and the LGBT community. Content is guided by the Information-Motivation-Behavioral Skills (IMB) model and focuses on: HIV information, motivations to engage in HIV preventive behavior, communication skills, behavioral skills (e.g., using a condom; HIV testing); and healthy/unhealthy relationships. Behavioral skills content was reinforced using brief online videos. The intervention is 5 weeks long. A "booster" is delivered 6-weeks post-intervention end and reviews the topics. Content is tailored based upon whether one is abstinent or sexually active. |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Customized | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | The Number of Condomless Sex Acts at 3-months Post-intervention | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at 3-months post-intervention. The count was truncated at 10 or higher to correct for over-dispersion. | Posted | Mean | Standard Deviation | number of unprotected sex acts | 3-months post-intervention |
|
Adverse event data were collected through the study period (i.e., from baseline to 3-month follow-up)
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Guy2Guy (G2G) | Guy2Guy (G2G) is a 6-week HIV prevention program delivered daily via text messaging to 14-18 year old males who self-identify as gay, bisexual, and/or queer. In addition to program content, participants were paired with another participant (i.e., a Text Buddy) with whom they can text throughout the program to provide support; and an on-demand advice line, G2Genie, which shares information about condoms, sex, relationships, and the LGBT community. Content is guided by the Information-Motivation-Behavioral Skills (IMB) model and focuses on: HIV information, motivations to engage in HIV preventive behavior, communication skills, behavioral skills (e.g., using a condom; HIV testing); and healthy/unhealthy relationships. Behavioral skills content was reinforced using brief online videos. The intervention is 5 weeks long. A "booster" is delivered 6-weeks post-intervention end and reviews the topics. Content is tailored based upon whether one is abstinent or sexually active. |
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All data were collected via self-report questionnaires, so may be affected by recall and social desirability bias. The sample may not be representative of gay and bisexual youth who use the Internet less frequently or are not 'out' on social media.
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Michele Ybarra | Center for Innovative Public Health Research | 877-302-5858 | 801 | michele@innovativepublichealth.org |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| ICF | No | No | Yes | Informed Consent Form | Jun 12, 2014 | Feb 14, 2020 | ICF_000.pdf |
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The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at 3-months post-intervention among youth who have never had sex at baseline |
| 3-months post-intervention |
| Percent of Boys Reporting Abstinence Among Sexually Experienced at 3-months Post-intervention | At 3 months post intervention participants were asked whether or not they had had vaginal and anal sex in the past 90 days. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have ever had sex at baseline in the intervention versus control groups. | 3-months post-intervention |
| Percent of Boys Reporting Abstinence Among Sexually Inexperienced at 3-months Post-intervention | At 3 months post intervention participants were asked whether or not they had had vaginal and anal sex in the past 90 days. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have never had sex at baseline in the intervention versus control groups. | 3-months post-intervention |
| Percent of Sexually Active Boys Reporting an HIV Test in the Past 3 Months at 3-months Post-intervention | The relative difference of HIV testing over the past 3 months in the intervention versus control group at 3-months post-intervention among those who had ever vaginal or anal sex with a penis at baseline | 3-months post-intervention |
| Number of Condomless Sex Acts at 5 Weeks Post-enrollment | Relative difference of unprotected sex acts at intervention end (5 weeks post enrollment) for those in the intervention versus control groups | Intervention end (5-weeks post enrollment) |
| Percent of Boys Reporting Abstinence at 5 Weeks Post-enrollment | The relative difference of abstinence (neither engaging in anal nor vaginal sex) in the intervention versus control group at intervention end (5 weeks post enrollment). | Intervention-end (5 weeks post-randomization) |
| Number of Unprotected Sex Acts Among Sexually Experienced Boys at 5 Weeks Post-enrollment | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group intervention end (5 weeks post enrollment) among youth who have ever had sex at baseline | Intervention end (5-weeks post enrollment) |
| Number of Unprotected Sex Acts Among Sexually Inexperienced Boys at 5 Weeks Post-enrollment | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at at intervention end (5 weeks post enrollment) among youth who have never had sex at baseline | Intervention end (5-weeks post enrollment) |
| Percent of Boys Reporting Abstinence Among Sexually Experienced at 5 Weeks Post-enrollment | At 5 weeks post-enrollment, participants were asked whether or not they had had vaginal and anal sex since the beginning of the program. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have ever had sex at baseline in the intervention versus control groups. | Intervention end (5-weeks post enrollment) |
| Percent of Boys Reporting Abstinence Among Sexually Inexperienced at 5 Weeks Post-enrollment | At 5 weeks post-enrollment, participants were asked whether or not they had had vaginal and anal sex since the beginning of the program. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have never had sex at baseline in the intervention versus control groups. | Intervention end (5 weeks post enrollment) |
| Percent of Sexually Experienced Boys Reporting Being Tested for HIV Since Program Start at 5 Weeks Post-enrollment | The relative difference of HIV testing since the beginning of the program in the intervention versus control group at intervention end (5 weeks post enrollment) among those who ever had vaginal or anal sex with a penis at baseline | Intervention end (5 weeks post enrollment) |
| Chicago |
| Illinois |
| 60611 |
| United States |
| 26318671 | Background | Phillips G 2nd, Ybarra ML, Prescott TL, Parsons JT, Mustanski B. Low Rates of Human Immunodeficiency Virus Testing Among Adolescent Gay, Bisexual, and Queer Men. J Adolesc Health. 2015 Oct;57(4):407-12. doi: 10.1016/j.jadohealth.2015.06.014. Epub 2015 Aug 26. |
| 26238038 | Background | Ybarra ML, Prescott TL, Philips GL 2nd, Bull SS, Parsons JT, Mustanski B. Iteratively Developing an mHealth HIV Prevention Program for Sexual Minority Adolescent Men. AIDS Behav. 2016 Jun;20(6):1157-72. doi: 10.1007/s10461-015-1146-3. |
| 25925896 | Background | DuBois LZ, Macapagal KR, Rivera Z, Prescott TL, Ybarra ML, Mustanski B. To have sex or not to have sex? An online focus group study of sexual decision making among sexually experienced and inexperienced gay and bisexual adolescent men. Arch Sex Behav. 2015 Oct;44(7):2027-40. doi: 10.1007/s10508-015-0521-5. Epub 2015 Apr 30. |
| 25490735 | Background | Ybarra ML, DuBois LZ, Parsons JT, Prescott TL, Mustanski B. Online focus groups as an HIV prevention program for gay, bisexual, and queer adolescent males. AIDS Educ Prev. 2014 Dec;26(6):554-64. doi: 10.1521/aeap.2014.26.6.554. |
| 24906532 | Background | Mustanski B, DuBois LZ, Prescott TL, Ybarra ML. A mixed-methods study of condom use and decision making among adolescent gay and bisexual males. AIDS Behav. 2014 Oct;18(10):1955-69. doi: 10.1007/s10461-014-0810-3. |
| 29696403 | Result | Ybarra ML, Liu W, Prescott TL, Phillips G 2nd, Mustanski B. The Effect of a Text Messaging Based HIV Prevention Program on Sexual Minority Male Youths: A National Evaluation of Information, Motivation and Behavioral Skills in a Randomized Controlled Trial of Guy2Guy. AIDS Behav. 2018 Oct;22(10):3335-3344. doi: 10.1007/s10461-018-2118-1. |
| 28659456 | Result | Ybarra ML, Prescott TL, Phillips GL 2nd, Bull SS, Parsons JT, Mustanski B. Pilot RCT Results of an mHealth HIV Prevention Program for Sexual Minority Male Adolescents. Pediatrics. 2017 Jul;140(1):e20162999. doi: 10.1542/peds.2016-2999. |
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| BG001 | Healthy Lifestyle Control | The attention-matched control arm message content consists of information publicly available online related to living a healthy lifestyle. Content discussed includes: STD information, nutrition and sleep hygiene, self-esteem and body image, bullying, and drugs and alcohol. The control arm is 6-weeks in length (Week 6 is a review booster) and is delivered via text messaging. Messages are didactic and not tailored to user sexual experience. Additionally, the Text Buddy and G2Genie intervention program components are not available. |
| BG002 | Total | Total of all reporting groups |
| Participants |
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| Sex: Female, Male | Count of Participants | Participants |
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| Ethnicity (NIH/OMB) | Count of Participants | Participants |
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| Race/Ethnicity, Customized | Count of Participants | Participants |
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| Region of Enrollment | Number | participants |
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| Gay Identity | Youth reported their sexual identity | Count of Participants | Participants |
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| Rural Setting | Count of Participants | Participants |
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| U.S. Region | Count of Participants | Participants |
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| Family Income | Count of Participants | Participants |
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| Ever HIV Test | Count of Participants | Participants |
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| Sexually Inexperienced | Count of Participants | Participants |
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| Number of condomless sex acts | Mean | Standard Deviation | number of condomless sex acts |
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| Self-appraised greater than average or greater chances of getting HIV | Count of Participants | Participants |
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| Social Support | Multidimensional Scale of Perceived Social Support Total range: 0-36 Subscales for family, friends, and 'special person' are combined by summing Higher score is more positive social support | Mean | Standard Deviation | units on a scale |
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| Self-esteem | Rosenberg Self-Esteem Scale Range: 0-30 Higher scores reflect higher self-esteem | Mean | Standard Deviation | units on a scale |
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| Internalized stigma | Internalized Stigma Scale Range: 0-24 Higher scores reflect higher internalized stigma | Mean | Standard Deviation | units on a scale |
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| OG001 | Healthy Lifestyle Control | The attention-matched control arm message content consists of information publicly available online related to living a healthy lifestyle. Content discussed includes: STD information, nutrition and sleep hygiene, self-esteem and body image, bullying, and drugs and alcohol. The control arm is 6-weeks in length (Week 6 is a review booster) and is delivered via text messaging. Messages are didactic and not tailored to user sexual experience. Additionally, the Text Buddy and G2Genie intervention program components are not available. |
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| Primary | Percent of Boys Reporting Abstinence at 3-months Post-intervention | At 3 months post intervention participants were asked whether or not they had had vaginal and anal sex in the past 90 days. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined in the intervention versus control group. | Posted | Count of Participants | Participants | 3-months post-intervention |
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| Secondary | Number of Unprotected Sex Acts Among Sexually Experienced at 3-months Post-intervention | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at 3-months post-intervention among youth who have ever had sex at baseline | Youth who had ever had sex at baseline | Posted | Mean | Standard Deviation | unprotected sex acts | 3-months post-intervention |
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| Secondary | Number of Unprotected Sex Acts Among Sexually Inexperienced at 3-months Post-intervention | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at 3-months post-intervention among youth who have never had sex at baseline | Youth who had never had sex at baseline | Posted | Mean | Standard Deviation | unprotected sex acts | 3-months post-intervention |
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| Secondary | Percent of Boys Reporting Abstinence Among Sexually Experienced at 3-months Post-intervention | At 3 months post intervention participants were asked whether or not they had had vaginal and anal sex in the past 90 days. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have ever had sex at baseline in the intervention versus control groups. | Youth who had ever had sex at baseline | Posted | Count of Participants | Participants | 3-months post-intervention |
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| Secondary | Percent of Boys Reporting Abstinence Among Sexually Inexperienced at 3-months Post-intervention | At 3 months post intervention participants were asked whether or not they had had vaginal and anal sex in the past 90 days. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have never had sex at baseline in the intervention versus control groups. | Youth who had never had sex at baseline | Posted | Count of Participants | Participants | 3-months post-intervention |
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| Secondary | Percent of Sexually Active Boys Reporting an HIV Test in the Past 3 Months at 3-months Post-intervention | The relative difference of HIV testing over the past 3 months in the intervention versus control group at 3-months post-intervention among those who had ever vaginal or anal sex with a penis at baseline | Youth who have ever had vaginal or anal sex with a penis at baseline | Posted | Count of Participants | Participants | 3-months post-intervention |
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| Secondary | Number of Condomless Sex Acts at 5 Weeks Post-enrollment | Relative difference of unprotected sex acts at intervention end (5 weeks post enrollment) for those in the intervention versus control groups | Posted | Mean | Standard Deviation | unprotected sex acts | Intervention end (5-weeks post enrollment) |
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| Secondary | Percent of Boys Reporting Abstinence at 5 Weeks Post-enrollment | The relative difference of abstinence (neither engaging in anal nor vaginal sex) in the intervention versus control group at intervention end (5 weeks post enrollment). | Posted | Count of Participants | Participants | Intervention-end (5 weeks post-randomization) |
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| Secondary | Number of Unprotected Sex Acts Among Sexually Experienced Boys at 5 Weeks Post-enrollment | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group intervention end (5 weeks post enrollment) among youth who have ever had sex at baseline | Among the 144 youth who had ever had sex at baseline and completed the 5 week intervention end survey. | Posted | Mean | Standard Deviation | unprotected sex acts | Intervention end (5-weeks post enrollment) |
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| Secondary | Number of Unprotected Sex Acts Among Sexually Inexperienced Boys at 5 Weeks Post-enrollment | The relative difference of unprotected anal and/or vaginal sex acts in the intervention versus control group at at intervention end (5 weeks post enrollment) among youth who have never had sex at baseline | Among the 145 youth who had never had sex at baseline and completed the 5 week intervention end survey. | Posted | Mean | Standard Deviation | unprotected sex acts | Intervention end (5-weeks post enrollment) |
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| Secondary | Percent of Boys Reporting Abstinence Among Sexually Experienced at 5 Weeks Post-enrollment | At 5 weeks post-enrollment, participants were asked whether or not they had had vaginal and anal sex since the beginning of the program. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have ever had sex at baseline in the intervention versus control groups. | Among the 144 youth who had ever had sex at baseline and completed the 5 week intervention end survey. | Posted | Count of Participants | Participants | Intervention end (5-weeks post enrollment) |
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| Secondary | Percent of Boys Reporting Abstinence Among Sexually Inexperienced at 5 Weeks Post-enrollment | At 5 weeks post-enrollment, participants were asked whether or not they had had vaginal and anal sex since the beginning of the program. Those who said no to both were coded as abstinent. The relative difference of abstinence (neither engaging in anal nor vaginal sex) was examined among youth who have never had sex at baseline in the intervention versus control groups. | Among the 145 youth who had never had sex at baseline and completed the 5 week intervention end survey. | Posted | Count of Participants | Participants | Intervention end (5 weeks post enrollment) |
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| Secondary | Percent of Sexually Experienced Boys Reporting Being Tested for HIV Since Program Start at 5 Weeks Post-enrollment | The relative difference of HIV testing since the beginning of the program in the intervention versus control group at intervention end (5 weeks post enrollment) among those who ever had vaginal or anal sex with a penis at baseline | Among the 144 youth who had ever had sex at baseline and completed the 5 week intervention end survey. | Posted | Count of Participants | Participants | Intervention end (5 weeks post enrollment) |
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| 0 |
| 150 |
| 0 |
| 150 |
| 0 |
| 150 |
| EG001 | Healthy Lifestyle Control | The attention-matched control arm message content consists of information publicly available online related to living a healthy lifestyle. Content discussed includes: STD information, nutrition and sleep hygiene, self-esteem and body image, bullying, and drugs and alcohol. The control arm is 6-weeks in length (Week 6 is a review booster) and is delivered via text messaging. Messages are didactic and not tailored to user sexual experience. Additionally, the Text Buddy and G2Genie intervention program components are not available. | 0 | 152 | 0 | 152 | 0 | 152 |
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