Dataset Information

A multi-center survey of age of sexual debut and sexual behavior in Chinese women: suggestions for optimal age of human papillomavirus vaccination in China.

ABSTRACT: Cervical cancer is the second most common cancer among women worldwide, and over 85% of cervical cancers occur in developing countries such as China. Lack of resources for nationwide cervical cancer screening in China makes vaccination against oncogenic strains of HPV particularly important. Knowledge of age at sexual debut and sexual behavior is essential prior to implementation of a national vaccination program.A cross-sectional epidemiologic survey was conducted across 21 urban and rural sites in China to assess age at sexual debut and sexual behavior. 98.6% of the 11,852 recruited women aged 15-59 years were included in the analysis. Data were collected using a short, nurse-administered questionnaire and analyzed using standard descriptive statistics and survival analysis.In urban areas, more than ten percent of the 15-19 year old age group were already sexually active at the time of interview; this number increased to nearly 44% in the 20-24 year old age group. Chinese young women with an occupation were more likely to be sexually active compared to female students of the same age, irrespective of area of residence. The crude median sexual debut age for the youngest age group was 17 years, earlier than the sexual debut age reported by older cohorts. Younger age cohorts had an earlier menarche age than older cohorts and were more likely to have more sexual partners than older women, and more likely to have partners with more than one female partner.There is a trend towards earlier sexual debut and riskier sexual behaviors in younger age groups of Chinese women. These findings suggest that HPV vaccination of women between the ages of 13 and 15 years, before the completion of national compulsory education, is likely to contribute to the prevention of HPV infection and cervical cancer in China.

SUBMITTER: Zhao FH

PROVIDER: S-EPMC5523958 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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A multi-center survey of age of sexual debut and sexual behavior in Chinese women: suggestions for optimal age of human papillomavirus vaccination in China.

Zhao Fang-Hui FH Tiggelaar Sarah M SM Hu Shang-Ying SY Xu Li-Na LN Hong Ying Y Niyazi Mayinuer M Gao Xiao-Hong XH Ju Li-Rong LR Zhang Li-Qin LQ Feng Xiang-Xian XX Duan Xian-Zhi XZ Song Xiu-Ling XL Wang Jing J Yang Yun Y Li Chang-Qing CQ Liu Jia-Hua JH Liu Ji-Hong JH Lu Yu-Bo YB Li Li L Zhou Qi Q Liu Jin-feng JF Zhao Na N Schmidt Johannes E JE Qiao You-Lin YL

Cancer epidemiology 20120227 4

<h4>Objective</h4>Cervical cancer is the second most common cancer among women worldwide, and over 85% of cervical cancers occur in developing countries such as China. Lack of resources for nationwide cervical cancer screening in China makes vaccination against oncogenic strains of HPV particularly important. Knowledge of age at sexual debut and sexual behavior is essential prior to implementation of a national vaccination program.<h4>Methods and materials</h4>A cross-sectional epidemiologic sur ...[more]

PMID: 22377277

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Project description:BackgroundThe human papillomavirus (HPV) is the most common sexually transmitted infection and is linked to several types of cancer. HPV vaccination uptake in the U.S. is relatively low, despite the vaccine's high efficacy. Some parents of adolescents have concerns that vaccination will encourage sexual behavior and therefore choose not to vaccinate. Previous studies investigating vaccination and sexual behavior have included only young women and girls.MethodsThe objective of this study is to assess associations between HPV-vaccination and sexual behavior in a college-age cohort of both men and women. We analyzed questionnaire data collected from the Michigan HPV and Oropharyngeal Cancer Study, a cohort study designed to investigate HPV infection and its association with sexual behavior (data collected 2015-17, Ann Arbor, MI). Here, we consider vaccination status, sexual behavior, and substance use among 241 college-aged men and women. Logistic, Poisson, and Cox regression were used to determine the relationship between probability of sexual debut, number of sexual partners, and HPV vaccination status at baseline as well as between age at sexual debut and vaccination status at debut.ResultsHPV vaccination status was not significantly associated with an increased likelihood of sexual debut (odds ratio: 0.80 (95% CI: 0.41-1.58), decreased age of sexual debut (hazard ratio: 0.81 (95% CI: 0.65-1.00), nor an increased number of sexual partners (per year sexually active; incidence rate ratio: 1.27 (95% CI: 0.86-1.87)) in this cohort, after controlling for age, race, sex, and substance use. Instead, race or alcohol use were independent predictors of sexual behavior.ConclusionsConcerns about the influence of the HPV vaccine on sexual behavior are likely unfounded for both men and women. These results can aid in increasing vaccine acceptability, inform and strengthen physician recommendations, and ultimately reduce the burden of HPV and HPV-related cancers in the U.S.

Project description:IntroductionThe societal norm in India is such that adolescents are expected to respect and follow traditional values and view early sexual debut as undesirable and deviant from the social mores. However, a dramatic shift in attitudes towards sex before marriage has been observed in India. We in this study, aim to study the factors associated with early sexual debut among unmarried adolescents.Materials and methodsThe study used data from the Understanding the lives of adolescents and young adults (UDAYA) survey conducted in 2016 with 15,388 adolescents aged 10-19 years from two Indian states. Bivariate and logistic regression analyses were performed to determine the associated factors.ResultsAdolescent boys (9%) were more prone to early sexual debut compared to girls (4%). Both boys (17.2%) and girls (6%) who were school dropouts had significantly higher chances of early sexual debut. Boys who had rare [OR: 2.28; CI: 1.12-4.64] or frequent media exposure [OR: 2.70; CI: 1.36-5.32] were significantly more likely to report early sexual debut than those who had no media exposure. Further, the likelihood of early sexual debut was significantly higher among boys [OR: 3.01; CI: 2.34-3.87] and girls [OR: 1.87; CI: 1.12-3.12] who had exposure to pornography compared to their counterparts. The odds of early sexual debut were higher among boys [OR: 1.89; CI: 1.19-3.01] and girls [OR: 1.77; CI: 1.30-2.41] who had moderately-severe/severe depressive symptoms compared to their counterparts.ConclusionsThe results highlight that Indian unmarried adolescents demand the appropriate knowledge to promote safer sexual behavior and lead a responsible and healthy lifestyle. The preventive efforts must be multifaceted with involvement at the individual and parental levels. Especially, interventions appear advantageous to be parents-focused emphasizing family life education that can prevent risky sexual behaviors among adolescent boys and girls. And the public programs should focus on sexual health promotion considering the physical and psychosocial changes during early ages of sex life.

Dataset Information

A multi-center survey of age of sexual debut and sexual behavior in Chinese women: suggestions for optimal age of human papillomavirus vaccination in China.

Publications

A multi-center survey of age of sexual debut and sexual behavior in Chinese women: suggestions for optimal age of human papillomavirus vaccination in China.

Similar Datasets

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