Department of Public Health,State University of Londrina (UEL),Av. Robert Koch 60,Vila Operária,CEP 86039-440,Londrina,Brazil.
Public Health Nutr. 2017 Aug;20(11):1907-1913. doi: 10.1017/S1368980017000787. Epub 2017 May 18.
The present work aimed at cross-cultural adaptation and validation of the health literacy assessment tool Newest Vital Sign (NVS) in general population (GP) and highly educated (HE) samples of Brazilian adults.
An expert committee reviewed the translation and back-translation processes and the cultural adaptation. The construct validity was analysed with confirmatory factor analysis and via associations with features of the study population.
The final validation test was performed in two different populations from Londrina, a large town in southern Brazil.
Brazilian adults: GP (adult clients of community pharmacies; n 189) and HE (public school teachers; n 301).
The tool under validation showed good cross-cultural adaptation and internal consistency, with Cronbach's α of 0·75 for GP and 0·74 for HE. Confirmatory factor analysis showed acceptable models and identified two independent factors according to the relationship between components and numeracy for both GP and HE data. According to the Brazilian Portuguese version of the NVS instrument (NVS-BR), 48·7 % of GP and 33·5 % of HE presented adequate health literacy; this condition was inversely associated with age for both populations and directly correlated with educational level for GP.
The NVS-BR showed good validity in two different populations of Brazilian adults and can be considered an alternative in screening for inadequate health literacy.
本研究旨在对一般人群（GP）和高学历人群（HE）的巴西成年人中新的生命体征（NVS）健康素养评估工具进行跨文化调适和验证。
一个专家委员会审查了翻译和回译过程以及文化适应情况。通过与研究人群特征的关联，采用验证性因子分析对结构效度进行了分析。
最后验证性测试在巴西南部一个名为隆德里纳的两个不同人群中进行。
巴西成年人：GP（社区药房的成年客户；n=189）和 HE（公立学校教师；n=301）。
经验证的工具显示出良好的跨文化适应性和内部一致性，GP 的 Cronbach's α 为 0.75，HE 为 0.74。验证性因子分析显示出可接受的模型，并根据 GP 和 HE 数据中组件与计算能力之间的关系确定了两个独立的因素。根据 NVS-BR（NVS-BR），48.7%的 GP 和 33.5%的 HE 具有足够的健康素养；这一情况在两个群体中均与年龄呈负相关，而与 GP 的教育水平呈正相关。
NVS-BR 在两个不同的巴西成年人群体中表现出良好的有效性，可作为筛查健康素养不足的一种替代方法。
