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This study aimed to investigate the association between early sexual initiation and suicide attempts (SAs) among Chinese young people. Our analysis included 9131 college students who had sexual experience from a national sample of 31 provincial administrative regions. Self-reported age at first intercourse was categorized as ≤15, 15-18, and ≥18 years, and the experience of SAs was recorded and analyzed. Compared with females whose sexual debut age was ≥18 years, those ≤15 years (defined as early sexual initiation) had higher odds of SAs in both the forced debut group (odds ratio (OR) 17.04, 95% confidence interval (CI) 4.87-59.66) and the voluntary debut group (OR 37.63, 95% CI 14.96-94.66). Early sexual initiators who lived in rural areas were more inclined to have SAs (female: OR 65.76, 95% CI 19.80-218.42; male: OR 15.39, 95% CI 1.64-144.19). Early sexual initiators who never had parent-child communication about sex were more likely to report having SAs (female: OR 37.81, 95% CI 12.28-116.46). Sexual debut during adolescence, particularly early sexual initiation, was a crucial risk factor for SAs among both sexes. Comprehensive sexuality education and smooth parental communication about sex will provide a supportive environment for young people and hence reduce the potential risks of SAs.

Background: College students are at-risk populations of mental health problems and risky sexual behaviors. However, little literature focuses on the association between mental health problems and risky sexual behaviors. Our study examined the association between mental health problems (depressive symptoms, suicide, and mental disorders) and risky sexual behaviors among a large sample of Chinese college students., Methods: A total of 49,728 Chinese college students (47.5% male) eventually participated in the analysis. A self-administered questionnaire was used to measure mental health, risky sexual behaviors (casual sex, no condom use at last sexual intercourse, group-sex, and a high number of sexual partners), and other sociodemographic characteristics. Logistic regression analysis was used to explore the relationship between mental health and risky sexual behaviors. To ensure the data is representative of the nation's statistics, all analyses were weighed., Results: The prevalence of depressive symptoms, suicide ideation and suicide attempts, and mental disorders was 42.83%, 41.29%, and 7.74%, respectively. 26.13% of participants were sexually active in the previous twelve months. Nearly 35% of sexually active participants were engaged in risky sexual behaviors. Logistic regression results demonstrated that mental health problems were associated with risky sexual behaviors after adjusting confounders., Limitations: cross-sectional analysis; The self-reported variables may be subject to recall bias and fraud., Conclusions: There is a relatively high prevalence of mental health problems and risky sexual behaviors amongst Chinese college students. A significant association between mental health problems and risky sexual behaviors was suggested by our study. Our findings support the importance of advocating for mental and reproductive healthcare for college students., (Copyright © 2021. Published by Elsevier B.V.)

Background: Chinese youth have become more sexually active over the years, yet their behaviours of contraceptive use are influenced by socioeconomic and lifestyle factors. This study aimed to investigate the socioeconomic and lifestyle determinants of contraceptive use among Chinese college students, and to investigate quantitatively their reasons for choosing different contraceptive methods., Methods: The study used the data from a cross-sectional survey, which was conducted in 2015 among 17,517 students from 130 colleges and professional schools in mainland China. Chi-square tests were performed to test the differences in the awareness and uses of contraceptives between male and female students. Multivariable logistic regression models were used to analyse the associations between socioeconomic and lifestyle factors and contraceptive uses., Results: Condoms (95%), oral contraceptives (91%) and emergency contraceptives (71%) were the most commonly known contraceptive methods among the sample of Chinese youth that were surveyed. Among male participants, high monthly expenditure (OR = 1.37, 95%CI: 1.07-1.75), light alcohol consumption (OR = 1.47, 95%CI: 1.03-2.11), and high sexual knowledge (OR = 1.96, 95%CI: 1.57-2.45) were positively associated with contraceptive uses, while tobacco use (OR = 0.47, 95%CI: 0.23-0.95) showed a negative association with contraceptive uses. Among female students, suburban residency (OR = 1.38, 95%CI: 1.03-1.83), high level of parental education (OR = 1.96, 95%CI: 1.19-3.22), moderate alcohol consumption (OR = 2.66, 95%CI: 1.05-6.77), and high sexual knowledge (OR = 1.50, 95%CI: 1.18-1.91) were positively associated with contraceptive uses, while tobacco use (OR = 0.60, 95%CI: 0.36-0.99) showed a negative association., Conclusions: A series of socioeconomic and lifestyle factors were associated with contraceptive choices among Chinese college students. Targeted sexual education programs are in demand to improve the awareness and the use of contraceptives in this population.