Original article
Test–Retest Reliability of Self-Reported HIV/STD-Related Measures Among African-American Adolescents in Four U.S. Cities

https://doi.org/10.1016/j.jadohealth.2008.09.002Get rights and content

Abstract

Purpose

To evaluate the test–retest reliability of self-reported sexuality-related data in a sample of African American adolescents residing in four U.S. cities.

Methods

Using audio computer-assisted self-interviewing (ACASI), 156 African American teens (mean age = 15.5 years) provided data on lifetime and recent sexual behavior, HIV/sexually transmitted disease (STD) testing, and theoretical antecedents of sexual risk behavior on two occasions separated by 2 weeks.

Results

Most self-reports of lifetime sexual behavior and STD/HIV testing were stable across the two assessment points. Test–retest agreement was substantial for dichotomous indices of lifetime sexual behaviors and STD testing (kappas ranging from .61–.87), and for 3-month recall of vaginal sex (kappa = .72) and number of sexual partners (intraclass correlation coefficient [ICC] = .68). Lower reliability estimates emerged for count data of unprotected vaginal sex occasions (ICC = .44). Test–retest reliability estimates for antecedents of sexual risk behavior were highest for a validated measure of HIV-related knowledge (r = .73), but somewhat lower for peer norms (r = .58) and condom use self-efficacy (r = .50).

Conclusions

Although variability in the stability of self-report data was observed, findings confirm that most sexual behavior, STD and HIV testing history, and psychosocial measures can be assessed reliably among adolescents. Research should continue to identify strategies to enhance the reliability of self-report sexual behavior data from youth at risk for HIV and other sexually transmitted infections.

Section snippets

Participants

A total of 187 participants completed the Time 1 (T1) assessment. Of these, 156 (83%) completed the identical Time 2 (T2) assessment. African American adolescents were recruited from two northern cities (Syracuse, NY, and Providence, RI) and two southern cities (Macon, GA, and Columbia, SC). Among participants who completed both questionnaires, 26% (n = 41) were from Syracuse, 23% (n = 36) were from Providence, 25% (n = 39) were from Macon, and 26% (n = 40) were from Columbia. There were more

Dichotomous indices of sexual behavior and STI/HIV testing

As shown in Table 1, moderate to high levels of consistency between the two assessments were observed for dichotomous indices of lifetime sexual behaviors (kappa ranged from .67–.85). Kappa coefficients for self-reports of lifetime engagement in any vaginal sex and for reports of engaging in vaginal sex in the last 3 months were .67 and .72, respectively. Self-reported occasions of vaginal intercourse without a condom (past 3 months) were in the “moderate” range (kappa = .47). Among sexually

Discussion

In this study, we evaluated the test–retest reliability of lifetime and recent sexual behavior data, self-reported HIV and STD testing history, and self-report measures of theoretical antecedents of HIV risk behavior in a sample of African American teens. Based on established benchmarks [38], [39], 85% of the indices reported on in this study showed moderate to excellent levels of agreement between T1 and T2. Similar to earlier studies [14], [15], adolescents in our sample were consistent in

Acknowledgments

We extend thanks and appreciation to all of our community partners, as well as the teen participants in Syracuse, Columbia, Macon, and Providence. We also thank Rebecca Bostwick, Pamela Fleischauer, Cynthia Grossman, Andure Walker, Thierry Fortune, Richard Usher, Ivan Juzang, and the extended study teams at each site for their contributions to this research.

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    This research was supported by a cooperative agreement from the National Institute of Mental Health (Pim Brouwers, Program Officer) to the following sites: Columbia, SC (U01-MH66802; Robert Valois, PI); Macon, GA (U01-MH066807; Ralph DiClemente, PI); Philadelphia, PA (U01-MH066809; Daniel Romer, PI); Providence, RI (U01-MH-066785; Larry Brown, PI); Syracuse, NY (U01-MH-66794; Peter Vanable, PI).

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