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Outline
This study aims to analyze the independent, synergistic and interactive effects of adverse childhood experiences (ACE) and intimate partner violence (IPV) on alkyl nitrite inhalant (Rush) use among men who have sex with men (MSM).
A cross-sectional survey was conducted from 2023 to 2024 across three sites in China (Chengdu, Guangzhou, Hohhot) among HIV-negative MSM who had ever had a male intimate partner. An anonymous online questionnaire collected data on sociodemographic factors, ACE, IPV, Rush use, and sexual behaviors. Locally validated instruments were used to measure ACE and IPV. Rush use was defined as use in the past six months. The odds ratio (OR) was calculated using binary logistic regression.
A total of 441 participants were included. The prevalence of Rush use in the past six months was 30.6%. The exposure rates for ACE and IPV were 68.9% and 23.6%, respectively. After adjusting for partial covariates, experiencing any ACE was positively associated with Rush use (OR=2.237, 95% CI: 1.375-3.640). For each additional category of ACE experienced, the strength of association increased by 33.9% (95% CI: 1.195-1.500). Experiencing any IPV was also positively associated with Rush use (OR=2.093, 95% CI: 1.317-3.325). The co-occurrence of ACE and IPV showed a trend toward higher Rush use risk compared with single exposure (P>0.05), but interaction analysis revealed no statistically significant interaction effect between ACE and IPV (interaction P>0.05).
The high prevalence of Rush use is a significant public health concern among MSM in China. Both ACE and IPV are significantly associated with Rush use in this population, and their co-occurrence demonstrates an additive effect trend. It is recommended to strengthen integrated screening for both ACE and IPV for early identification of substance use and related sexual transmission risks and timely intervention among MSM.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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