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Abstract：
The fact that youth take sexual risks when they are abroad have been shown in previous studies. However, it is not known if they increased their sexual risk-taking when travelling abroad, compared to the stay in their homeland.
To assess whether Swedish youth increased their individual sexual risk behaviour, defined as having a casual sex partner, when travelling abroad and to examine possible factors that may be associated with increased risk-taking abroad.
In 2013, a population-based sample of 2189 Swedes, 18-29 years, was assessed by a questionnaire (45% response rate). Sexuality, duration of travel, parents\' country of origin, mental health, heavy episodic drinking (HED), use of illicit drugs, and socio-demographic background were assessed. Increased risk of casual sex in relation to time spent abroad vs. time spent in Sweden was analysed by a variant of case-crossover design. Factors that could be associated with increased risk of casual sex in Sweden and abroad, separately, were analysed by logistic regression.
To assess whether Swedish youth increased their individual sexual risk behaviour, defined as having a casual sex partner, when travelling abroad and to examine possible factors that may be associated with increased risk-taking abroad.
In 2013, a population-based sample of 2189 Swedes, 18-29 years, was assessed by a questionnaire (45% response rate). Sexuality, duration of travel, parents\' country of origin, mental health, heavy episodic drinking (HED), use of illicit drugs, and socio-demographic background were assessed. Increased risk of casual sex in relation to time spent abroad vs. time spent in Sweden was analysed by a variant of case-crossover design. Factors that could be associated with increased risk of casual sex in Sweden and abroad, separately, were analysed by logistic regression.
摘要：
以前的研究表明，年轻人在国外时冒着性风险。然而,不知道他们在出国旅行时是否增加了性冒险，与留在家乡相比。
为了评估瑞典青年是否增加了他们个人的性风险行为，定义为有一个随意的性伴侣，在国外旅行时，并检查可能与国外风险增加相关的可能因素。
2013年，以人口为基础的2189名瑞典人样本，18-29岁,通过问卷调查（45％的应答率）进行评估。性,旅行时间,父母的原籍国，心理健康,重度偶发性饮酒（HED），使用非法药物，和社会人口背景进行了评估。与在国外度过的时间相比，随意性行为的风险增加通过案例交叉设计的变体分析了在瑞典花费的时间。在瑞典和国外，可能与随意性行为风险增加有关的因素，分开,采用Logistic回归分析。
为了评估瑞典青年是否增加了他们个人的性风险行为，定义为有一个随意的性伴侣，在国外旅行时，并检查可能与国外风险增加相关的可能因素。
2013年，以人口为基础的2189名瑞典人样本，18-29岁,通过问卷调查（45％的应答率）进行评估。性,旅行时间,父母的原籍国，心理健康,重度偶发性饮酒（HED），使用非法药物，和社会人口背景进行了评估。与在国外度过的时间相比，随意性行为的风险增加通过案例交叉设计的变体分析了在瑞典花费的时间。在瑞典和国外，可能与随意性行为风险增加有关的因素，分开,采用Logistic回归分析。
