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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04863326
Other study ID # HHSP23337014T
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 1, 2017
Est. completion date December 31, 2019

Study information

Verified date April 2021
Source Mathematica Policy Research, Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Under contract to the Office of Population Affairs (OPA), Mathematica is conducting an impact study of the Making Proud Choices! (MPC) teen pregnancy prevention program. The impact study is designed to estimate the impact of MPC, compared to the business-as-usual condition, on risk and protective factors, sexual behaviors, and longer term health goals including pregnancy and sexually transmitted infections.


Description:

This evaluation used a cluster randomized controlled trial (RCT) design to assess the effectiveness of MPC, with schools within districts randomly assigned to one of two conditions: (1) MPC implemented by health educators, or (2) business as usual. In total, 31 school clusters were randomly assigned to condition, including roughly 2800 students, in four geographic areas across the U.S. The study was implemented over the course of three school years (2016-17, 2017-18 and 2018-19), with youth in each year considered a separate evaluation cohort, and with participating schools (and new cohorts of eligible youth) randomized to condition each year. There are two main sources of data for this study: outcome and implementation data. Youth in the study completed two waves of self-report surveys: (1) a baseline survey administered before programming began, and (2) a follow-up outcome survey administered approximately six months after the end of programming (approximately 9 months after baseline, on average). The surveys measured antecedents to sexual behavior (risk and protective factors), sexual behaviors, and ultimately, MPC's health goals of reducing sexually transmitted infections and teen pregnancies. Program implementation data included fidelity and attendance logs, observations, interviews, study youth focus groups, staff surveys, and technical assistance logs. The benchmark analytic approach for estimating program impacts focuses on individuals with observed (non-missing) outcome data, and will statistically adjust for several baseline and location variables to produce credible and precise estimates of program effectiveness. Several sensitivity analyses will be conducted to understand the robustness of the findings across alternative specifications, and to understand the effect of MPC across a variety of subgroups.


Recruitment information / eligibility

Status Completed
Enrollment 2810
Est. completion date December 31, 2019
Est. primary completion date December 31, 2019
Accepts healthy volunteers No
Gender All
Age group 13 Years to 19 Years
Eligibility Inclusion Criteria: - Enrolled in a study school - Attending the targeted class (e.g. health class) for the first time Exclusion Criteria: - None

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Making Proud Choices

Business as usual


Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Mathematica Policy Research, Inc. Office of Population Affairs

Outcome

Type Measure Description Time frame Safety issue
Primary Knowledge about HIV Proportion of knowledge items about HIV/STDs answered correctly. Survey administered 6 months post program
Primary Knowledge about pregnancy Proportion of knowledge items about pregnancy answered correctly. Survey administered 6 months post program
Primary Knowledge about condoms Proportion of knowledge items about condom use answered correctly. Survey administered 6 months post program
Primary Knowledge about other forms of contraception Proportion of knowledge items about contraceptive use answered correctly. Survey administered 6 months post program
Primary Belief that sex may adversely affect future goals Proportion of statements about how sexual activity will interfere with goals and dreams that the respondent agrees or strongly agrees with. Survey administered 6 months post program
Primary Belief that condoms can be pleasurable Proportion of statements about how condoms can be pleasurable that the respondent agrees or strongly agrees with. Survey administered 6 months post program
Primary Attitudes about condoms Proportion of statements about condom use that the respondent either agrees or strongly agrees with. Survey administered 6 months post program
Primary Condom self-efficacy Proportion of statements about self-efficacy using condoms that the respondent agrees or strongly agrees with. Survey administered 6 months post program
Primary Condom negotiation Proportion of statements about self-efficacy negotiating condom that the respondent agrees or strongly agrees with. Survey administered 6 months post program
Primary Refusal skills Proportion of statements about self-efficacy refusing sex with a partner that the respondent agrees or strongly agrees with. Survey administered 6 months post program
Primary Ever any sex (vaginal, oral, or anal) Binary variable representing if the respondent reported having ever had vaginal, oral, or anal sex. Survey administered 6 months post program
Primary Any sex (in past 3 months) Binary variable representing if the respondent reported having vaginal, oral, or anal sex in the three month period before completing the follow-up survey. Survey administered 6 months post program
Primary Times having any sex (in past 3 months) Count variable representing the total number of times respondent had vaginal, oral and/or anal sex in the three month period before completing the follow-up survey. Survey administered 6 months post program
Primary Count of vaginal sex partners (in the past 3 months) Count variable representing the number of partners for vaginal sex in the three month period before completing the follow-up survey. Survey administered 6 months post program
Primary Any sex without a condom (in past 3 months) Binary variable representing if respondent reported having any risk for STD/STI sex (sex without a condom) in the three month period before completing the follow-up survey. Survey administered 6 months post program
Primary Times having any sex without a condom in past 3 months Count variable representing the total number of times respondent had risky sex in the three months before completing follow-up survey. Survey administered 6 months post program
Primary Sex without birth control in past 3 months Binary variable representing if respondent reported having had unprotected vaginal sex in the three months before completing the follow-up survey. Survey administered 6 months post program
Primary Times having sex without birth control (in past 3 months) Count variable representing the total number of times the respondent had unprotected vaginal sex in the three month period before completing the follow-up survey. Survey administered 6 months post program
Primary Ever pregnant Binary variable representing if the respondent reported a pregnancy or has gotten someone pregnant. Survey administered 6 months post program
Primary Any sexually transmitted infection (STI) Binary variable representing if the respondent indicated having been told they have a sexually transmitted infection. Survey administered 6 months post program
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