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PRRI Millennials, Sexuality and Reproductive Health Survey




Jones, R. P., & Cox, D. (2022, May 27). PRRI Millennials, Sexuality and Reproductive Health Survey.


The Public Religion Research Institute (PRRI) 2015 Millennials, Sexuality and Reproductive Health Survey is a major study designed to understand millennial (age 18-35) attitudes toward, experiences with, and perspectives on issues of sexuality, reproductive health, and abortion. The survey includes an extensive array of questions about sexual health education and experiences, including the prevalence of sexual assault and harassment in middle school, high school and college. The survey also explores to what extent millennials feel they have people in their social network with whom they can discuss issues like sexual harassment and assault, sexually transmitted diseases, mental health and parenting. The survey also looks at the attitudes about abortion, contraception, and same-sex marriage, along with moral evaluations of a variety of personal behavior. Finally, the survey examines perception of stigma faced by certain social groups.

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Data File

Cases: 2314
Variables: 377
Weight Variable: WEIGHT

To reduce the effects of any non-response bias, a post-stratification adjustment was applied based on demographic distributions from the March 2014 Current Population Survey (CPS). Weighting was accomplished using a two-stage process. First, within four racial and ethnic groups -- white, black, Hispanic and Asian-Pacific Islander -- each sample was balanced using the following characteristics: age, gender, region (U.S. Census), metro area, education and income. In the second stage, the overall sample demographics were balanced to match target population parameters for race and ethnicity, Hispanic origin (Non-Hispanic, Mexican, Puerto Rican, Cuban or other Hispanic), primary language and Internet access.

The sample weighting was accomplished using an iterative proportional fitting (IFP) process that simultaneously balances the distributions of all variables. Weights were trimmed to prevent individual interviews from having too much influence on the final results. The use of these weights in statistical analysis ensures that the demographic characteristics of the sample closely approximate the demographic characteristics of the target populations.

Data Collection

Feb. 12-25, 2015

Original Survey (Instrument)

PRRI Millennials, Sexuality, and Reproductive Health Survey

Funded By

The 2015 Millennials, Sexuality and Reproductive Health Survey was made possible by generous funding from the Ford Foundation.

Collection Procedures

The Millennials, Sexuality and Reproductive Health Survey was conducted by Public Religion Research Institute among a random sample of 2,314 adults between the ages of 18 and 35 who are part of Growth from Knowledge's (GfK) KnowledgePanel. Interviews were conducted online in both English and Spanish Feb. 12-25, 2015. The base sample of 1,323 respondents was augmented by oversamples of African Americans (N=261), Hispanics (N=608) and Asian-Pacific Islanders (N=122).

Sampling Procedures

The initial sample drawn from the KnowledgePanel was adjusted using pre-stratification weights so that it approximates the overall population (18-to-35-year-olds) in the U.S. Once assigned to the survey KnowledgePanel participants receive an email notification alerting them that the survey is available for them to take. After three days an automatic email reminder is sent to the panel participant followed by an automated telephone call three or four days later.

The KnowledgePanel is a nationally representative probability sample of the U.S. adult population. Panelists are recruited by randomly selecting residential addresses using a process called address-based sampling (ABS). Since roughly 20 percent of U.S. households do not have home Internet access, respondent households who do not have Internet access or own a computer are provided Internet service and a netbook computer to ensure that panel respondents are representative of the U.S. adult population. Unlike opt-in panels, households are not permitted to "self-select" into KnowledgePanel; and are generally limited to how many surveys they can take within a given time period.

The margin of error for the overall survey is +/-2.7 percentage points at the 95 percent level of confidence. The design effect for the survey is 1.8. For a full list of sample sizes for racial and ethnic subgroups see Table 1. In addition to sampling error, surveys may also be subject to error or bias due to question wording, context and order effects.

Principal Investigators

Robert P. Jones and Daniel Cox

Related Publications

Cox, Daniel, and Robert P. Jones. 2015. "How Race and Religion Shape Millennial Attitudes on Sexuality and Reproductive Health". PRRI.

Lienesch, Rachel. 2015. "Asian-Pacific Islander Millennials: More Liberal on Abortion, Less Religious Than Other Millennials". PRRI.

Gendron, Charlotte. 2015. "Less Than Half of Millennial Women Identify as 'Feminist'". PRRI.

Piacenza, Joanna. 2015. "Infographic: Millennials Say Contraception is Critical for the Financial Security of Women". PRRI.

Pellegrini, Anne. 2015. "Responsibilization, same-sex marriage, and the end of queer sex". Psychoanalysis, Culture & Society 20, 237-245.

Morris, Margaret, "The Internet and LGBTQ+ Identity Formation in Adolescents and Young Adults" (2020).
Counselor Education Capstones. 127.

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