Objective: To understand the characteristics of sexual behaviors in the elderly aged ≥60 years and provide evidence for AIDS prevention and control in the elderly. Methods: Local residents who were aged ≥60 years and had lived in Yongchuan District of Chongqing for more than half a year were recruited by multi-stage sampling with a sample size of 2 721 from September to December 2022 for a face to face questionnaire survey to collect the information about their demographic characteristics, awareness of AIDS related knowledge and sexual behaviors, and the incidence of non-marital sexual behaviors. Multivariate logistic regression model was used to analyze related factors non-marital sexual behaviors in the elderly aged ≥60 years. SPSS 23.0 software was used for statistical analysis. Results: A total of 2 974 valid questionnaires were collected from 3 000 old persons aged ≥60 years, the male to female ratio of the elderly who returned the questionnaires was about 1∶1 (1 488∶1 486). The average age of them was (69.3± 7.0) years, and the awareness rate of AIDS related knowledge was 78.5% (2 336/2 974), 26.9% of them (801/2 974) had sexual behavior in the past year, 20.9% (493/2 350) of them had sexual behaviors with their spouses in the past year, and 10.8% (322/2 974) of them had non-marital sexual behaviors. The proportions of the elderly with commercial sexual behaviors and non-marital/non-commercial sexual behaviors were 10.2% (304/2 974) and 1.2% (36/2 974). The results of multivariate logistic regression analysis showed that being man (aOR=89.08, 95%CI: 36.30-218.60), age 70-79 years (aOR=1.93, 95%CI:1.44-2.59) and ≥80 years (aOR=2.41, 95%CI: 1.56-3.74), and unawareness of AIDS related knowledge (aOR=2.72, 95%CI: 2.04-3.64) were associated with the incidence of non-marital sex. Conclusions: The proportions of non-marital sexual behaviors were higher among the elderly aged ≥60 years in Yongchuan District of Chongqing. It is necessary to pay attention to the sexual needs and sexual health of the population, improve the awareness rate of AIDS prevention and treatment knowledge, advocate safe sex, and improve the sexual health and quality of life in the elderly.
目的： 分析≥60岁老年人非婚性行为特征及相关因素，为老年人群的艾滋病防控提供参考依据。 方法： 2022年9-12月在重庆市永川区招募居住≥6个月的≥60岁老年人开展横断面调查，采用多阶段抽样方法，样本量为2 721人。收集调查对象人口学特征、艾滋病防治知识和性行为等信息，采用logistic回归模型分析调查对象发生非婚性行为的相关因素。采用SPSS 23.0软件进行统计学分析。 结果： ≥60岁老年人调查对象共3 000人，有效问卷2 974份，男女性别比为1∶1（1 488∶1 486），年龄（69.3±7.0）岁，艾滋病防治知识知晓率为78.5%（2 336/2 974）。最近1年发生性行为的比例为26.9%（801/2 974），最近1年与配偶发生性行为的比例为20.9%（493/2 350），发生非婚性行为的比例为10.8%（322/2 974），发生商业性行为比例为10.2%（304/2 974），发生非婚非商业性行为的比例为1.2%（36/2 974）。多因素logistic回归分析结果显示，≥60岁老年人发生非婚性行为的相关因素包括男性（aOR=89.08，95%CI：36.30~218.60）、70~79岁（aOR=1.93，95%CI：1.44~2.59）和≥80岁（aOR=2.41，95%CI：1.56~3.74）、艾滋病防治知识不知晓（aOR=2.72，95%CI：2.04~3.64）。 结论： 重庆市永川区≥60岁老年人发生非婚性行为的比例较高，应关注老年人群的性需求和性健康，提高其艾滋病防治知识水平，倡导安全性行为，提高其性健康和生活质量。.