1/8/2024 0 Comments Long anal insertion![]() 10 Recent NSFG data indicate that almost 17% of men and 15% of women aged 18 to 19 years have ever had anal intercourse. 6 Community sample prevalence estimates of adolescent anal intercourse range from 20% to 32%. In the 2006 to 2008 NSFG, 70% of men and 63% of women aged 18 to 19 reported oral-genital sexual activity. 7–10 During the 1980s and 1990s, estimates of adolescent oral-genital sexual activity ranged from 35% to 66%. 6īy contrast, estimates of adolescent oral-genital and anal intercourse experience vary widely, probably because most, except NSFG figures, are based on smaller community samples. 5 Similarly, in the 2006 to 2008 National Survey of Family Growth (NSFG), 66% of men and 62% of women aged 18 and 19 years had had vaginal intercourse. Estimates from the Centers for Disease Control and Prevention’s 2009 Youth Risk Behavior Survey indicate that approximately 60% of male and 65% of female high-school seniors have had vaginal intercourse. Two cross-sectional US national surveys routinely measure vaginal intercourse in adolescent samples. Most adolescent sexuality research focuses exclusively on vaginal intercourse. 2 Of individuals 15 to 44 years old in 2002, 75% had had premarital vaginal intercourse by age 20 years 3 almost 90% of individuals 18 to 27 years old in 2001 had had premarital vaginal intercourse. 1 Fewer than 10% of individuals born early in the 20th century had sex by age 18 years, compared with more than 50% of persons born between 19. Sexual behavior patterns have evolved significantly since the “first sexual revolution” of the 1920s. Diversity in patterns of sexual initiation occurring in the 1990s underscores the ongoing need for comprehensive and nuanced examinations of adolescent sexual trajectories and their implications for sexual health in more recent cohorts. Most sociodemographic characteristics examined were uniquely associated with prevalence and sexual timing.Ĭonclusions. In longer timetables, vaginal intercourse was more often initiated first. A third initiated 2 or more behaviors within a 1-year period. One in 10 reported anal intercourse experience. More than two thirds reported vaginal or oral-genital sexual activity, but only about half experienced both. One in 5 adolescents did not engage in any of these sexual behaviors by age 18 years. We used data from almost 14 000 Wave IV respondents to the National Longitudinal Study of Adolescent Health to generate prevalence estimates for adolescents who reached age 18 years by 2001 and logistic and ordinary least squares regression to examine sociodemographic correlates of sexual patterns. We documented the prevalence and relative timing of oral-genital, vaginal, and anal intercourse during adolescence and examined whether these timetables varied by sociodemographic factors. ![]()
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