BACKGROUND:Gastrointestinal illness is an important global public health issue, even in developed countries, where the morbidity and economic impact are significant. Our objective was to evaluate the demographic determinants of acute gastrointestinal illness in Canadians. METHODS:We used data from two population-based studies conducted in select communities between 2001 and 2003. Together, the studies comprised 8,108 randomly selected respondents; proxies were used for all respondents under 12 years and for respondents under 19 years at the discretion of the parent or guardian. Using univariate and multivariate logistic regression, we evaluated the following demographic determinants: age, gender, cultural group, and urban/rural status of the respondent, highest education level of the respondent or proxy, number of people in the household, and total annual household income. Two-way interaction terms were included in the multivariate analyses. The final multivariate model included income, age, gender, and the interaction between income and gender. RESULTS:After adjusting for income, gender, and their interaction, children under 10 years had the highest risk of acute gastrointestinal illness, followed by young adults aged 20 to 24 years. For males, the risk of acute gastrointestinal illness was similar across all income levels, but for females the risk was much higher in the lowest income category. Specifically, in those with total annual household incomes of less than $20,000, the odds of acute gastrointestinal illness were 2.46 times higher in females than in males. CONCLUSION:Understanding the demographic determinants of acute gastrointestinal illness is essential in order to identify vulnerable groups to which intervention and prevention efforts can be targeted.

译文

背景:胃肠道疾病是一个重要的全球性公共卫生问题,即使在发病率和经济影响重大的发达国家中也是如此。我们的目标是评估加拿大人的急性胃肠道疾病的人口统计学决定因素。
方法:我们使用了2001年至2003年间在选定社区中进行的两项基于人口的研究的数据。这些研究总共包括8,108名随机选择的受访者;父母或监护人可酌情将代理用于所有12岁以下的受访者和19岁以下的受访者。使用单因素和多因素logistic回归,我们评估了以下人口统计学决定因素:受访者的年龄,性别,文化群体和城市/农村状况,受访者或代理人的最高教育水平,家庭人数和每年总家庭数收入。多元分析中包括双向交互作用项。最终的多元模型包括收入,年龄,性别以及收入与性别之间的相互作用。
结果:在对收入,性别及其相互作用进行调整后,10岁以下儿童患急性胃肠道疾病的风险最高,其次是20至24岁的年轻人。对于男性,在所有收入水平上,急性胃肠道疾病的风险都相似,但是对于女性,最低收入类别的风险要高得多。具体来说,在那些家庭年总收入低于20,000美元的人群中,女性患急性胃肠道疾病的几率是男性的2.46倍。
结论:了解急性胃肠疾病的人口统计学决定因素对于确定可以作为干预和预防目标的脆弱人群至关重要。

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