Chor D, Griep R H, Lopes C S, Faerstein E
Departamento de Epidemiologia e Métodos Quantitativos em Saúde, Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, 21041-210, Brasil.
Cad Saude Publica. 2001 Jul-Aug;17(4):887-96. doi: 10.1590/s0102-311x2001000400022.
We describe methodological steps in the selection of questions on social networks and support for a cohort study of 4,030 employees from a public university in Rio de Janeiro. First, group discussions with volunteers were conducted to explore the adequacy of related concepts. Next, questions in the Medical Outcomes Study questionnaire were submitted to standard "forward-" and "back-translation" procedures. The questions were subsequently evaluated through five stages of pre-tests and a pilot study. No question had a proportion of non-response greater than 5%. Pearson correlation coefficients between questions were distant from both zero and unity; correlation between all items and their dimension score was higher than 0.80 in most cases. Finally, Cronbach Alpha coefficients were above 0.70 within each dimension. Results suggest that social networks and support will be adequately measured and will allow for the investigation of their associations with health outcomes in a Brazilian population.
我们描述了在社交网络上选择问题以及支持对里约热内卢一所公立大学的4030名员工进行队列研究的方法步骤。首先，与志愿者进行小组讨论以探讨相关概念的适用性。接下来，将医学结局研究问卷中的问题提交给标准的“正向翻译”和“回译”程序。随后，通过五个预测试阶段和一项试点研究对这些问题进行评估。没有任何一个问题的无回答比例超过5%。问题之间的皮尔逊相关系数既远离零也远离一；在大多数情况下，所有项目与其维度得分之间的相关性高于0.80。最后，每个维度内的克朗巴赫α系数均高于0.70。结果表明，社交网络和支持将得到充分衡量，并将有助于调查它们与巴西人群健康结局之间的关联。
