Prevention of Sexually Transmitted Diseases and Pregnancy Prevention Among Native American Youths: A Randomized Controlled Trial, 2016–2018

Abstract
Objectives. To evaluate the efficacy of the Respecting the Circle of Life program (RCL) among Native American youths 11 to 19 years of age residing in a rural reservation community in the southwestern United States. Methods. Between 2016 and 2018, we conducted a randomized controlled trial of the RCL program with 534 Native youths. Participants completed assessments at baseline and 9 and 12 months after the intervention. We conducted intention-to-treat analyses based on study group randomization. Results. At 9 months, intervention participants had significantly better condom use self-efficacy (P < .001), higher intentions to use condoms (P = .024) and abstain from sex (P = .008), and better contraceptive use self-efficacy (P < .001) than control participants, as well as better condom use (P = .032) and contraceptive use (P = .002) negotiation skills. At 12 months, intervention participants had significantly better sexual and reproductive health knowledge (P = .021), condom use self-efficacy (P < .001), contraceptive use self-efficacy (P < .001), and contraceptive use negotiation skills (P = .004) than control participants. Intervention participants reported significantly more communication with their parents about sexual and reproductive health than control participants at both 9 and 12 months (P = .042 and P = .001, respectively). Conclusions. The RCL program has a significant impact on key factors associated with pregnancy prevention among Native youths and should be used as an adolescent pregnancy prevention strategy. Trial Registration. Clinical Trials.gov identifier: NCT02904629. (Am J Public Health. 2021;111(10): 1874-1884. https://doi.org/10.2105/AJPH.2021.306447).