To avoid hospital transmission, all COVID-19 prevention measures should be followed. This study aimed to evaluate the psychometric properties of a novel scale developed to assess adherence to good practices for COVID-19 in the hospital setting. A methodological cross-sectional study was conducted at a public hospital in the state of São Paulo, Brazil, with 307 healthcare providers. Data were collected using a questionnaire addressing sociodemographic/occupational data and the Adherence to Standard Precautions for COVID-19 scale. Cronbach’s alpha coefficients and the intraclass correlation coefficients were used to measure internal consistency and temporal stability (test-retest analysis), respectively. Concurrent validity was evaluated using Spearman’s correlation coefficients between the scores of the overall scale and its domains. Factorial structure was evaluated using exploratory factor analysis and goodness-of-fit of the model was tested using confirmatory factor analysis. Cronbach’s alpha coefficients for the scale and its domains were higher than 0.7, except the psychosocial domain (0.61). All intraclass correlation coefficients were higher than 0.7. Strong correlations were found between the total score and the personal (0.84) and organizational (0.90) domains of the scale and a good correlation was found with the psychosocial domain (0.66). The fit of the multidimensional model was satisfactory for all parameters and the three-dimensional structure of the scale was confirmed by the fit of the factor loadings. The novel scale is a valid and reliable instrument for assessing adherence to good hospital practices for COVID-19.

Objective: to create a scale for assessing the adherence of healthcare providers to good practices for COVID-19 in the hospital setting and determine its content and face validity. Methods: A methodological study was developed in three sequential phases: creation of items and domains based on a literature review and administration of the questionnaire to 16 nursing professionals; assessment of content and face validity by experts; and semantic analysis. Results: The 51-item scale was submitted to the evaluation of seven experts. Items with a content validity index ≥ 0.83 were maintained. During the semantic analysis performed by the administration of the scale to 37 healthcare providers, no suggestions for changes were made and the comprehension rate was 87%. Conclusions: the 47-item instrument with three dimensions (personal, organizational, and psychosocial) achieved satisfactory content and face validity, meeting the parameters established in the literature.

RESUMO Objetivo: Construir e validar conteúdo e face de escala para avaliar a adesão dos profissionais de saúde às boas práticas para COVID-19, no âmbito hospitalar. Métodos: Estudo metodológico, desenvolvido em três fases sequenciais: construção dos itens e dimensões a partir de revisão de literatura e aplicação de questionário a 16 profissionais de enfermagem; validação de conteúdo e de face por especialistas e análise semântica. Resultados: A escala com 51 itens foi submetida à avaliação de sete especialistas e foram mantidos os itens que apresentaram o índice de validade de conteúdo ≥0,83. Na análise semântica, realizada mediante aplicação da escala a 35 profissionais de saúde, não houve sugestão de modificação e o percentual de compreensão foi de 0,87%. Conclusões: O instrumento com 47 itens e três dimensões (pessoal, organizacional e psicossocial), alcançou a validade de conteúdo e de face com padrão satisfatório, além de atingir os parâmetros preconizados pela literatura.