Table 2.
Trends in the Youth Risk Behavioral Survey (YRBS) 2001–2019, Mean Prevalence for Sexual Risk Behaviors by Selected Factors in the United States (US) and Mississippi (MS)—Joinpoint Trend and Logistic Regression Analysis of Linear and Quadratic
| YRBS Question | AP | AAPC | p-value | ||||
|---|---|---|---|---|---|---|---|
| 2001 | 2019 | Joinpoint | Linear* | Quadratic* | |||
| QN 58—who ever had sexual intercourse | US | 46.9 | 38.0 | −1.3 (−1.9, −0.6) | .0001 | .0001 | <.0001 |
| MS | 60.9 | 41.1 | −2.2 (−2.4, −1.9) | <.0001 | <.0001 | <.0001 | |
| QN 59—who had sexual intercourse for the first time before age 13 years | US | 7.0 | 3.0 | −5.3 (−7.5, −3.1) | <.0001 | <.0001 | <.0001 |
| MS | 13.8 | 5.6 | −4.6 (−7.5, −1.7) | .0020 | <.0001 | <.0001 | |
| Q.N. 60—who had sexual intercourse with four or more people during their life | US | 15.0 | 8.4 | −3.3 (−4.6, −2.0) | <.0001 | <.0001 | <.0001 |
| MS | 25.8 | 9.9 | −5.1 (−6.2, −4.0) | <.0001 | <.0001 | <.0001 | |
| QN 63—who did not use a condom during last sexual intercourse | US | 42.4 | 44.0 | 0.4 (−0.3,1.2) | .2592 | <.0001 | <.0001 |
| MS | 34.9 | 50.1 | 2.0 (1.8, 2.2) | <.0001 | <.0001 | .0007 | |
YRBS, Youth Risk Behavioral Survey; AP, adjusted prevalence; AAPC, average annual percent change calculated using joinpoint trend analysis, QN, YRBS Question; US, United States aggregated YRBS responses; MS, Mississippi YRBS responses.
*
Results of the logistic regression analysis.