Changes in Sexual Behavior and Attitudes Across Generations and Gender Among a Population-Based Probability Sample From an Urbanizing Province in Thailand

Unveiling the Path: A Qualitative Study on the Initial Sexual Experiences of Cambodian Adolescents

INTRODUCTION

There still remains a significant gap in understanding the sexual and reproductive health challenges faced by adolescents, particularly in the context of early sexual activity, teenage pregnancy, and sexually transmitted diseases. This study seeks to fill this gap by exploring the initial sexual experiences of Cambodian adolescents, highlighting the complex interplay of cultural, social, and personal influences that shape their sexual health decisions and outcomes.

METHODOLOGY

A descriptive qualitative research design was used. Thirty Cambodian adolescents were interviewed from March to June 202 and data were analyzed using thematic analysis.

RESULTS

Participants met their sexual partners in school and through friendships and social networking sites. Their motivations for sexual activities ranged from intrinsic desires to influences of inebriation, love, and trust. Consent was crucial but some were influenced by partners. Awareness of sexual protection varied, affecting condom use and information-seeking behaviors. After initial encounters, participants grappled with complex emotions and physical changes.

DISCUSSION

The findings suggest the need for educational interventions that address substance use; promote safe behavior, consensual conduct, open communication, and mutual respect; and provide coping strategies.

Effectiveness of a School-Based Pregnancy Prevention Intervention for Female Teenagers and Their Boyfriends: A Randomized Controlled Trial

PURPOSE

This study examined the effectiveness of a school-based pregnancy prevention intervention.

METHODS

73 female and male teenagers were recruited from an urban secondary school and randomly assigned to the intervention and control groups. The females were aged 13-15 years, and the boyfriends were aged 13-18 years. The intervention was implemented in six sessions over six weeks. Sessions 1-4 were conducted at the school, and sessions 5-6 were delivered via a smartphone messaging application. The outcomes included sexual health literacy, pregnancy prevention behaviors, and sexual risk behaviors. They were measured three times: at baseline (week 0, T1), immediately post-intervention (week 6, T2), and follow-up (week 10, T3). Two-way mixed repeated measure ANOVA was used to determine the differences of the outcomes.

RESULTS

After completion of the intervention, participants in the intervention group had significantly higher sexual health literacy both at T2 and T3 and better pregnancy prevention behavior. They had lower sexual risk behaviors at T3 than the control group.

DISCUSSION

The results indicate that the school-based pregnancy prevention intervention is effective. It improved the outcomes in female teenagers and their boyfriends at six weeks and 10 weeks post-intervention.

Exploring reproductive trajectories of youths of Oromia, Ethiopia: A life course approach

In the context of continuous cultural, social, and economic changes happening around the globe, the predictable patterns of the life course of the past observed over successive birth cohorts will not remain stable across generations. In this study, three reproductive role indicators-first sexual encounter, first marriage, and first birth-for three synthetic birth cohorts were used to identify and characterize the reproductive trajectories of youths. In our analysis, for the sake of comparison with global literature, we considered youths to be between ages 15 and 24. The analysis was conducted using data extracted from the 2005, 2011, and 2016 Ethiopian Demographic Health Survey for Oromia National Regional State. Three synthetic birth cohorts of youths of birth years between 1975 and 1989 were constructed for the analysis. A sequence analysis based on dynamic hamming distance with partition around medoids technique was employed to extract the typologies of reproductive trajectories of youths. In addition, discrepancy analysis and a sequence regression tree analysis were employed to characterize the identified typologies of trajectories. Data management was done using STATA 14 and all analyses were carried out using R software. The study identified four different typologies of reproductive trajectories among the youth. The sex of respondents was the primary discriminating factor of the typologies of reproductive trajectories. The findings support the notion of changing norms in reproductive behavior among the less educated youth irrespective of sex. The discriminating power of education was stronger for female youth in urban areas than rural females. It implies that the postponement of reproductive role assumption was stronger among educated female youths residing in urban than their rural counterparts. Normative reproductive practices such as early marriage and adolescent fertility are still common practices that require efforts of communities and local government bodies to ameliorate these practices. Results of the study indicate that less educated youth should be targeted in programs that aim at improving youth empowerment (i.e., training and employment opportunities) as well as their sexual and reproductive health.

Sexual abstinence as a reproductive health-promoting behavior for women: A perspective

This article is intended to provide an appropriate context for adopting sexual abstinence from a health-promoting behavioral perspective that can be applied to women of reproductive age worldwide to improve reproductive health, maintain well-being, and prevent health problems in women. The topics related to women's health status, sexual abstinence definitions, benefits, and application, as well as sexual autonomy and efficacy, including family collaboration, are discussed. This article will provide health care providers, especially nurses and midwives, with new ideas for integrating sexual abstinence into nursing and midwifery practice.

Panorama of risky sexual behaviors in the Brazilian adult population - PNS 2019

OBJECTIVE

To describe the risky sexual behaviors of Brazilian adults according to socioeconomic, demographic, and regional characteristics.

METHODS

Data from the 2019 National Health Survey, referring to the population aged 18 years or older, were analyzed. Risky sexual behaviors were considered: early sexual initiation, before the age of 15 years, and nonuse of condoms in the last sexual intercourse. Prevalence and respective confidence intervals were calculated for the subgroups of interest.

RESULTS

Early sexual initiation among adult individuals was 24% among men and 11% among women, being higher among young people with lower levels of education and household income. The nonuse of condoms was higher among married/cohabiting partners, no schooling or with some elementary school, and among older people. The prevalence of nonuse of condoms among married/cohabiting partners was the same in both sexes (75%). However, among non-cohabiting partners, gender disparity was relevant, as 39.1% of women did not use condoms in the last sexual intercourse, while among men this result was 26.9%.

CONCLUSIONS

Higher prevalence of early sexual initiation for younger generations is noteworthy, especially among women. Concerning the nonuse of condoms, there are important gender disparities in the group of non-cohabiting partners, in addition to the high prevalence among older people, which should be considered in the formulation of public policies. The results of the present study are extremely relevant for understanding the adult population currently more vulnerable to sexually transmitted infections, after over five years without official statistics on this matter at the national level.

Long-term effectiveness of human papillomavirus vaccines among adult women: A real-world scenario

OBJECTIVE

This study aimed to determine the real-world effectiveness of bi- or quadrivalent human papillomavirus (HPV) vaccines in Thai adult women ≥5 years post-vaccination in reducing HPV 16/18-associated low-grade squamous intraepithelial lesions or worse (LSIL+), atypical squamous cells of undetermined significance or worse (ASC-US+), and HPV 16/18 positivity.

METHODS

A retrospective cohort study was conducted among Thai women aged 20-45 years in Bangkok. The vaccinated and unvaccinated groups were matched according to baseline years. HPV/Pap test results were collected from the medical records and/or obtained by cervical sample collection at the study sites. Adjusted hazard ratios were measured using multivariable Cox regression analyses.

RESULTS

A total of 993 participants (493 vaccinated and 500 unvaccinated) were enrolled from 2018 to 2019. The median ages at baseline of the vaccinated and unvaccinated groups were 33 years (interquartile range [IQR] 27-38) and 34 years (IQR 30-38), respectively. The median follow-up periods were 7.3 years (IQR 6.1-8.6) and 7.2 years (IQR 5.8-8.9) for the vaccinated group and the unvaccinated group, respectively. More women in the vaccinated group were single (29.2% vs. 13.2%, P < 0.001) and university graduates (83.2% vs. 75.4%, P = 0.009). The vaccinated and unvaccinated groups had similar personal monthly incomes (>20,000 THB/month, 63.9% vs. 62.4%, respectively, P = 0.685). There were no cases of HPV 16/18-associated LSIL+ in the vaccinated group, whereas there were four cases in the unvaccinated group. HPV vaccine effectiveness was 88.0% (95% CI 2.0-98.5) in the reduction of HPV 16/18-associated ASC-US+, and 84.6% (95% CI 43.5-95.8) in the reduction of HPV 16/18 positivity.

CONCLUSIONS

HPV vaccine effectiveness was high in adult women in a real-world scenario in a developing country. Free HPV vaccination in adult women in this age group should be further explored when vaccine supplies are not limited. (HPV: human papillomavirus. LSIL+: low-grade squamous intraepithelial lesion or worse. ASC-US+: atypical squamous cells of undetermined significance or worse).

Covariates of Multiplicity of High-Risk Sexual Behavior Among Men in India: Evidence from the Latest Indian Demographic and Health Survey

Modern Indian society has witnessed rapid sociocultural transformation where loosening of cultural values is observed at all levels. In the era of transition, traditional norms and values are changing where young male individuals are found to be associated with high-risk multi-partner sexual behavior. Findings are based on a nationally representative sample of 45,231 and 65,704 men aged 15-54 during the period 2005-2006 and 2015-2016, respectively. The burden of high-risk sexual behaviors among men aged 15-54 years in India over the last decade remains disproportionately higher among younger, unmarried, and urban men, who are mainly from economically better-off households. Despite tremendous efforts of the government of India as well as various state governments in condom promotion as part of the HIV/AIDS prevention program, the improvements in condom use over the last decade are not impressive as it has not yet reached the desired threshold level. The disparities in high-risk sexual behavior among men aged 15-54 years, coming from rich and poor households, have narrowed. The findings of the study also underline an apparent paradox in the relationship between knowledge of HIV/AIDS and indulgence in high-risk sexual behavior and adopting safe sexual practices. It is recommended that all the HIV prevention programs in India should promote the concept of men as the responsible sexual partner. This concept may be promoted among young and unmarried men by reinforcing the shift from violence to respect and projecting the condom as a sexual stimulus rather than a means of disease prevention.

Migration and sexual partnerships among unmarried young men in Thailand: a longitudinal approach

OBJECTIVES

Migrants typically report more sexual behavior than non-migrants. In existing work, the potentially confounding effects of selection loom large. Our objective is to discern whether migrants actually do engage in more sexual activity than their non-migrating counterparts, once selection is accounted for.

METHODS

We used three waves of data from a longitudinal panel study in Thailand. Panel members were rural unmarried men, some of whom subsequently migrated to urban areas and were re-interviewed there. Migrants were compared to their non-migrant counterparts and to a separate sample of long-term urban dwellers.

RESULTS

There were no differences between eventual migrants and non-migrant counterparts in sexual partnerships before migration. Migration increased sexual partnerships with stable partners and strangers, compared with rural non-migrants.

CONCLUSIONS

Unmarried men who moved to urban areas had increased sexual partnerships with stable partners and strangers. Without proper means of protection, this pattern of behavior puts these men and their sexual partners at elevated risk of unwanted pregnancy and sexually transmitted infections (STIs). Public health programs should target unmarried male migrants for pregnancy control and STI prevention.

The use of the Multidimensional Condom Attitude Scale in Chinese young adults

Background

Attitude towards condom use is an important predictor of consistent condom use. However, this topic is an understudied area in Chinese populations, and no validated Chinese instrument is available to capture condom attitude. To fill this research gap, the present study aimed to evaluate the psychometric properties of the University of California, Los Angeles (UCLA) Multidimensional Condom Attitudes Scale (MCAS) and assessed the attitudes towards condom use amongst Chinese adults aged 18–29 years old.

Methods

In this cross-sectional study, a total of 500 people aged 18–29 years old were randomly recruited in Hong Kong. The primary outcome was the attitude towards condom use as measured by the UCLA MCAS. Factor structure, internal construct validity, known-group validity and internal consistency were assessed.

Results

Instead of the five-factor structure designed by the original developers of the MCAS questionnaire, this study proposed a novel six-factor scale: (1) Reliability and Effectiveness, (2) Excitement, (3) Displeasure, (4) Identity Stigma, (5) Embarrassment about Negotiation and (6) Embarrassment about Purchase. The internal construct validity and reliability of the new scale were high. The revised MCAS could differentiate between subgroups, including gender, sexual orientation and sexual experience. In terms of attitudes, over 40% of the participants believed that condoms are not reliable, though the vast majority of the sample did not perceive any stigma related to condom use. In addition, more than half (55.4%) of the respondents felt embarrassed to be seen when buying condoms while a quarter (25.8%) felt uncomfortable buying condoms at all.

Conclusions

Overall, the psychometric analysis found that attitude to condom use is culturally specific. The study also highlighted the need for more public health campaigns and interventions to help people cope with the embarrassment of purchasing condoms.

Factors associated with HIV testing and intention to test for HIV among the general population of Nonthaburi Province, Thailand

BACKGROUND

Research on HIV testing in Thailand has largely focused on at-risk population groups, with limited information about the prevalence of correlates of HIV testing among the Thai general population. This study addresses this gap in research by using a population-based probability sample to examine correlates of HIV testing experience and intention to test.

METHODS

We conducted a cross-sectional survey in Nonthaburi, Thailand during October-December 2012 using tablet computers to collect self-administered questionnaires from 2138 men and women (aged 15-59 years) identified through three-stage stratified cluster sampling.

FINDINGS

Almost half of the respondents, 962 (45%), reported having been tested for HIV while an almost equal proportion, 1032 (48.3%), indicated their intention to test for HIV. Being sexually experienced, having a history of sexually transmitted infection, personally knowing someone infected with HIV, and youth were associated with both history of HIV testing and intention to test for HIV. High perceived risk of HIV, knowledge of an HIV testing location, and having been married were associated with having been tested for HIV. Having been tested for HIV and HIV/AIDS education were associated with intention to test for HIV. The most common reasons for testing were routine medical checkup and antenatal care. The major reasons for not testing were perception of having no or low risk.

CONCLUSION

A substantially low proportion of the respondents reported a history of HIV testing and intention to test for HIV. Culturally appropriate programs that address HIV risk perception and provide accurate information related to HIV infection and HIV testing may be beneficial in increasing uptake of HIV testing among the general population in Thailand.

Gender-based differences in risk-taking behaviors among high school students in Southeast Iran

OBJECTIVES

Risk-taking behaviors among adolescents can negatively affect different dimensions of their health. This study was conducted to identify the gender-based differences in risk-taking behaviors among high school students in a Muslim population.

METHODS

Grade 10 students studying in high schools located in Kerman Province, Iran were enrolled through cluster sampling (n=2,676), and data were collected using a well-validated questionnaire about violence, sexual behaviors, and traffic-related conduct over the past 12 months. The tool also consisted questions regarding drug use over the past 30 days and over lifetime (i. e., current and ever use of drugs, respectively).

RESULTS

The number of female participants was 1,407 (52.6%). The boys who had girlfriends (33.0%) were almost twice as many as the girls who had boyfriends (17.1%). Among the respondents, 27.8 and 12.0% of the boys and girls engaged in physical fighting, respectively. Overall, the prevalence of water pipe use in the last 30 days (18.7%) and over lifetime (43.5%) was higher than that of the consumption of other substances. The second and third most popular substances used in the past 30 days among boys and girls were alcohol and cigarettes and cigarettes and alcohol, respectively. On the whole, marijuana figured in the lowest lifetime use among the respondents.

CONCLUSIONS

The rate of risk-taking behaviors in female students was lower than in males, and this difference was more evident than in Western countries. This discrepancy seems to be more obvious in cases where the religious prohibition of a behavior is greater such as extramarital intimacy.

Knowledge, Attitude and Perception of Risk and Preventive Behaviors toward Premarital Sexual Practice among In-School Adolescents

Premarital Sexual Practice (PSP) among adolescents usually involves sexually risky behaviors, such as multiple sexual partners and inconsistent or non-condom use. These behaviors, in combination with other underlining factors, undermine the overall outcomes of Adolescent Sexual and Reproductive Health (ASRH). To assess the adolescents’ knowledge, attitudes and perception of risk and preventive behaviors towards PSP, a school-based analytical cross-sectional study was conducted among a sample of 423 students aged 15 through 19 years. A well-validated anonymous self-administered questionnaire was used for collecting the data, which were analyzed using mean (SD), frequency (%), t-test, ANOVA and multiple regression methods. Participants’ knowledge of risk and preventive behaviors was average, as only 53% of knowledge items were correctly answered. Being a female, of high-income status, in the second study year, perceived susceptibility and perceived severity were significant determinants of knowledge. All measures of perception except perceived self-efficacy were positive determinants of attitude. Being female, in the third study year and of high-income status were determinants of perception as measured by perceived self-efficacy. Therefore, our results suggest that tailored educational programs, with special emphasis on financially disadvantaged male adolescents, are needed to effectively increase adolescents’ knowledge, attitude and perception of risk and protective behaviors towards PSP.

Sexuality and Intimacy Among Older Women Living with HIV: a Systematic Review

Purpose of Review

Sexual well-being and intimacy are critical to overall quality of life and retain a high degree of significance for aging individuals, even though these considerations are often overlooked in older populations. Sexual health may be particularly impacted in older individuals living with HIV, especially women, as a result of both physical and psychosocial disease-specific factors. Despite this, sexuality research related to HIV has traditionally focused on risk reduction, rather than on other elements of sexual wellness. In this review, we examine several aspects of sexual well-being that may be important to older women living with HIV (OWLH).

Recent Findings

This review summarizes existing literature on sexuality in OWLH over the age of 50 and explores five themes related to sexual health: physical and emotional intimacy, desire/interest, satisfaction/pleasure, frequency of sexual activity, and abstinence. Reduced intimacy among OWLH was reported across most studies, due to stigma and disclosure concerns, lack of opportunity for relationships, and difficulty communicating sexual preferences. Data on sexual desire/interest and satisfaction/pleasure among OWLH were mixed. Frequency of sexual activity varied widely across studies, and abstinence emerged as both an intentional and inadvertent decision for OWLH. Factors related to menopause as it relates to sexuality and HIV are also discussed.

Summary

Sexual health and well-being are important to women living with HIV over 50, though key components such as intimacy, desire, and pleasure remain poorly understood. As this population continues to grow, comprehensive and age-specific interventions are needed to examine positive aspects of sexuality and promote sexual wellness among OWLH.

Adolescent sexual initiation and pregnancy: what more can be learned through further analysis of the demographic and health surveys in the Philippines?

Background

Adolescent pregnancy poses risks to the life of a young mother and her baby, and can affect their health, educational and future employment outcomes. In many low- and middle-income countries like the Philippines, the Demographic and Health Surveys (DHS) Program is among the most reliable and easily accessible sources of demographic and health data for researchers, development workers, and policymakers. Data on adolescent sexual and reproductive health (SRH) are often limited, but in the absence of other sources, there is room to make the most of the adolescent health data gathered by the DHS. The aim of this study is to explore what more can be learned about adolescent sexual initiation and pregnancy through the further analysis of demographic and health data, using DHS data from the Philippines as an example.

Methods

This study conducted trend analysis of DHS data over three survey rounds (2003, 2008 and 2013) to explore the context of adolescent sexual initiation and pregnancy over time. Bivariate and multivariate logistic regression were then used to study associations between adolescent pregnancy experience and selected demographic, socioeconomic and SRH variables using data from the 2013 DHS.

Results

This study found that between 2003 and 2013, proportions of Filipino young women experiencing adolescent sexual initiation and adolescent pregnancy have increased. Multivariate logistic regression affirmed the protective effect of education and belonging to higher wealth quintiles on the risk of adolescent pregnancy. Ever use of contraception was positively associated with adolescent pregnancy but is likely indicative of use after a prior pregnancy, and/or other factors relating to improper/inconsistent contraceptive use.

Conclusions

In the absence of reliable, easily accessible data on adolescent SRH, the DHS data can provide important insights about adolescent reproductive transitions such as sexual initiation and first pregnancy. However, there are limited variables in the datasets that could proxy for other important social determinants which prior studies have linked to adolescent SRH outcomes. There remains a need for timely and targeted collection of quantitative and qualitative data on adolescent SRH that can guide programming and policy intended to foster positive health outcomes during this crucial transition period to adulthood.

Electronic supplementary material

The online version of this article (10.1186/s12889-019-7451-4) contains supplementary material, which is available to authorized users.

Sexual behaviors and seroprevalence of HIV, HBV, and HCV among hill tribe youths of Northern Thailand

Background

Sexual behaviors reflect the degree of exposure to human immunodeficiency virus (HIV), hepatitis B virus (HBV), and hepatitis C virus (HCV), especially in people in sexually active stages, such as youths. Hill tribe people have their own cultures, beliefs and lifestyles related to their behaviors, including sexual behaviors, which may lead to HIV, HBV, and HCV infections, especially among youths. The study aimed to examine sexual behaviors and assess the seroprevalence of HIV, HBV, and HCV among hill tribe youths.

Methods

A cross-sectional study was conducted. The participants were recruited from 60 randomly selected hill tribe villages in Chiang Rai Province, Thailand. A validated questionnaire and 5 mL blood specimens were used to collect data. Data were collected by a self-reporting method. Rapid immunochromatographic tests were used to detect hepatitis B surface antibody (anti-HBs), hepatitis B surface antigen (HBsAg), hepatitis C antibody (anti-HCV), and human immunodeficiency virus antibody-I and- II (anti-HIV-1 and -2). Chi-square and Fisher’s exact test were used to detect the associations between variables.

Results

A total of 1325 participants were recruited for the analysis. The majority were females (60.5%) and aged 15–17 years (58.9%). A total of 14.5% smoked, 22.4% drank alcohol, 14.2% were tattooed, and 61.4% had their ears pierced. Among the 30.3% who had sexual experience, 42.0% experienced one-night stands, 26.9% had sexual contact with a prostitute within 1 year prior to the study, 18.9% used alcohol prior to having sexual intercourse, and 15.7% had been tested for HIV/AIDS previously. Among males, 11.5% were males who had sex with males (MSM), and 4.6% were bisexual. Among females, 83.0% were females who had sex with males, and 5.0% were females who had sex with females. Different sexes and tribes were found to have significantly different risk behaviors and sexual behaviors, such as overall males having a greater proportion of sexual experience than females, and Lahu, Akha and Hmong had a higher proportion of sexual experience, having sexual experience with one-night stands, and having sexual experience with a prostitute 1 year prior to the study than others. Among the 836 obtained blood samples, none were positive for anti-HIV-I and -II, 6.4% were positive for anti-HBs, 1.9% were positive for HBsAg, and 0.2% were positive for anti-HCV.

Conclusion

Hill tribe youths in Thailand are at risk of STIs such as HBV and HCV infections according to their risk behaviors and sexual behaviors, which differ between sexes and tribes. Effective behavioral interventions should be promoted among hill tribe youths to minimize the risk for these diseases in the future.

Sexual patterns and practices among men who have sex with men and transgender women in Thailand: A qualitative assessment

The global trend in HIV incidence overall is declining; however, there is a plateau in new HIV infection among men who have sex with men (MSM) and transgender women (TGW) despite extensive investment in HIV prevention targeting these populations. Many studies usually conflate these two groups together, which may overlook many disparate characteristics unique to each population, impeding the efficacy of HIV interventions. To better understand the vulnerable diversity that may put these individuals at risk of HIV infection, we conducted qualitative analysis among Thai MSM and TGW, aiming to identify sexual pattern themes of MSM and TGW in Bangkok in order to better understand their distinctive sexual life context. Convenient and purposive samplings were used to recruit Thai MSM and TGW aged ≥ 18 years old and living in Bangkok, Thailand, for focused group discussions and one-on-one in-depth interviews, respectively. Total of 12 MSM and 13 TGW participated in focused group discussions, which were conducted separately for MSM and TGW. Additionally, 5 MSM and 5 TGW were involved in one-on-one in-depth interviews. Thematic analyses were performed separately for MSM and TGW. The results show that MSM and TGW have distinct and diverse sexual patterns, and within the identified themes: partnering, partner finding, protection, and enhancing sexual pleasure (only for MSM). Participants reported having varying sexual experiences. Recognizing the difference and diversity in partnering and sexual practice of MSM and TGW is crucial in order to develop tailored interventions that suit the vulnerability of the key populations in Thailand.

Predictors of risky sexual behaviour among pre-college students in Adama Town, Ethiopia

Introduction

The rate of sexually transmitted infection's, including HIV has increased in recent years in Ethiopia. Many adolescents and young people still do not protect themselves against unintended pregnancies and STIs. Therefore, this study was conducted to assess the predictors of risky sexual behavior among pre-college students in Adama Town, Ethiopia.

Methods

School based cross-sectional study was employed. In this study 364 students were recruited from all pre-college schools in Adama town, Ethiopia. Bivariate and multivariate logistic regression analysis were used to examine the relationship between the outcome variables and independent variables.

Results

The mean age at sexual debut was 16.1 years (± 2.72SD). Social media usage for sexual activity and having multiple sexual partners were observed among students. About 7% of students used social media for watching pornography. The odds of risky sexual behaviour were higher among social media users compared to the nonusers AOR = 1.23 (95% CI 1.13,3.12). Risky sexual behaviour was almost 4 times more likely among night club goers AOR = 4.294 (95% CI: 2.033, 9.073). Peer pressure and substance abuse were also a significant predictor for risky sexual behavior AOR = 6.97 (95% CI: 4.24, 9.69).

Conclusion

Social media use, peer pressure, substance abuse, and night club going were found to be significantly associated with risky sexual behaviour among pre-college students. Thus, schools need to establish and strengthen reproductive health clubs to be able to equip students with required skills and knowledge about sexuality. Parents should be aware of the dynamic behavioral change of their children, listen and attend to their needs.

National and Subnational Population-Based Incidence of Cancer in Thailand: Assessing Cancers with the Highest Burdens

In Thailand, five cancer types-breast, cervical, colorectal, liver and lung cancer-contribute to over half of the cancer burden. The magnitude of these cancers must be quantified over time to assess previous health policies and highlight future trajectories for targeted prevention efforts. We provide a comprehensive assessment of these five cancers nationally and subnationally, with trend analysis, projections, and number of cases expected for the year 2025 using cancer registry data. We found that breast (average annual percent change (AAPC): 3.1%) and colorectal cancer (female AAPC: 3.3%, male AAPC: 4.1%) are increasing while cervical cancer (AAPC: -4.4%) is decreasing nationwide. However, liver and lung cancers exhibit disproportionately higher burdens in the northeast and north regions, respectively. Lung cancer increased significantly in northeastern and southern women, despite low smoking rates. Liver cancers are expected to increase in the northern males and females. Liver cancer increased in the south, despite the absence of the liver fluke, a known factor, in this region. Our findings are presented in the context of health policy, population dynamics and serve to provide evidence for future prevention strategies. Our subnational estimates provide a basis for understanding variations in region-specific risk factor profiles that contribute to incidence trends over time.

Structural and Behavioral Correlates of HIV Infection among Pregnant Women in a Country with a Highly Generalized HIV Epidemic: A Cross-Sectional Study with a Probability Sample of Antenatal Care Facilities in Swaziland

INTRODUCTION

HIV disproportionately affects women in Sub-Saharan Africa. Swaziland bears the highest HIV prevalence of 41% among pregnant women in this region. This heightened HIV-epidemic reflects the importance of context-specific interventions. Apart from routine HIV surveillance, studies that examine structural and behavioral factors associated with HIV infection among women may facilitate the revitalization of existing programs and provide insights to inform context-specific HIV prevention interventions.

METHODS AND FINDINGS

This cross-sectional study employed a two-stage random cluster sampling in ten antenatal health care facilities in the Hhohho region of Swaziland in August and September 2015. Participants were eligible for the study if they were 18 years or older and had tested for HIV. Self-administered tablet-based questionnaires were used to assess HIV risk factors. Of all eligible pregnant women, 827 (92.4%) participated, out of which 297 (35.9%) were self-reportedly HIV positive. Among structural factors, family function was not significantly associated with self-reported HIV positive status, while lower than high school educational attainment (AOR, 1.65; CI, 1.14-3.38; P = 0.008), and income below minimum wage (AOR, 1.81; CI, 1.09-3.01; P = 0.021) were significantly associated with self-reported HIV positive status. Behavioral factors significantly associated with reporting a positive HIV status included; ≥2 lifetime sexual partners (AOR, 3.16; CI, 2.00-5.00; P<0.001), and ever cohabited (AOR, 2.39; CI, 1.66-3.43; P = 0.00). The most cited reason for having multiple sexual partners was financial gain. HIV/AIDS-related knowledge level was high but not associated to self-reported HIV status (P = 0.319).

CONCLUSIONS

Structural and behavioral factors showed significant association with self-reported HIV infection among pregnant women in Swaziland while HIV/AIDS-related knowledge and family function did not. This suggests that HIV interventions should be reinforced taking into consideration these findings. The findings also suggest the importance of future research sensitive to the Swazi and African sociocultural contexts, especially research for family function.

Patterns of Sexual Behavior in Lowland Thai Youth and Ethnic Minorities Attending High School in Rural Chiang Mai, Thailand

INTRODUCTION

The rural areas of Northern Thailand are home to a large cultural diversity of ethnic minority groups. Previous studies have shown that young people in rural Thailand have low levels of knowledge on HIV/AIDS and high sexual risks. We compared sexual behaviors between the lowland Thai youth and the youth from ethnic minority groups.

METHODS AND FINDINGS

This is a cross-sectional quantitative study conducted among high-school Thai and ethnic students in Chiang Mai. From a total 1215 participants, 487 (40.1%) were lowland Thai and 728 (59.9%) were from ethnic minorities. Overall, 17.9% of respondents reported "ever had sex." Lowland Thai adolescents were more likely to have ever had sex compared with ethnic minority adolescents (AOR, 1.61; CI, 1.06-2.45; P< 0.01). A higher proportion of lowland Thai respondents reported having ≥ 2 lifetime sexual partners (51.9% vs. 33.3%, P = 0.003), or currently having a boy/girlfriend (59.9% vs. 45.3%, P< 0.001) compared to ethnic minority adolescents. Consistent condom use was low in both groups (22.6%). The common significant factors associated with "ever had sex" in both groups were "ever drunk alcohol in the past year" and "currently having a boy/girlfriend." Specifically, for lowland Thai youth, being around the age of 17 or 18 years and "ever used methamphetamine in the past year" were associated with increased odds of "ever had sex". For ethnic minority adolescents, being female and belonging to religions other than Buddhism were associated with decreased odds of "ever had sex".

CONCLUSION

A substantially higher proportion of lowland Thai engage in risky sexual behaviors when compared to ethnic minorities. However, both groups remained vulnerable to HIV and other sexually transmitted infections. To minimize sexual risks, education program and school-based interventions are warranted to increase awareness of young people about risky behaviors and to promote essential life skills.

Prevalence and Correlates of HIV Testing among Young People Enrolled in Non-Formal Education Centers in Urban Chiang Mai, Thailand: A Cross-Sectional Study

BACKGROUND

HIV testing is the gateway to HIV prevention, treatment, and care. Despite the established vulnerability of young Thai people to HIV infection, studies examining the prevalence and correlates of HIV testing among the general population of Thai youth are still very limited. This study investigates socio-demographic, behavioral, and psychosocial factors associated with HIV testing among young Thai people enrolled in Non-formal Education Centers (NFEC) in urban Chiang Mai, Northern Thailand.

METHODS

This was a cross-sectional quantitative study conducted among young unmarried Thai youth--between the ages of 15 and 24--who were enrolled in NFEC in urban Chiang Mai. Multiple logistic regressions were used to identify correlates of "ever tested for HIV" among the sexually active participants.

FINDINGS

Of the 295 sexually active participants, 27.3% reported "ever tested for HIV;" 65.4% "did not consistently use condom;" and 61.7% "had at least 2 lifetime partners." We found that "self-efficacy" (AOR, 4.92; CI, 1.22-19.73); "perception that it is easy to find a location nearby to test for HIV" (AOR, 4.67; CI, 1.21-18.06); "having at least 2 lifetime sexual partners" (AOR, 2.05; CI, 1.09-3.85); and "ever been pregnant or made someone pregnant" (AOR, 4.06; CI, 2.69-9.15); were associated with increased odds of having ever been tested. On the other hand, "fear of HIV test results" (AOR, 0.21; CI, 0.08-0.57) was associated with lower odds of ever having been tested for HIV.

CONCLUSION

The main finding is that a substantially high proportion of Thai youth is engaged in risky sexual behaviors--yet reports low rates of ever having been tested for HIV. This highlights an urgent need to develop appropriate interventions--based on the identified correlates of HIV testing. There is also an urgent need to enhance HIV testing and to promote safer sexual behaviors among young Thai people--particularly those who are out-of-school.