Spatiotemporal pattern and factors related to infant mortality in Northeast Brazil.

Objective: To analyze the spatiotemporal pattern and factors related to infant mortality in Northeastern Brazil from 2008 to 2018.

Method: Ecological study developed with infant deaths that occurred in the Northeast and reported in the Mortality Information System. Non-spatial and spatial regression models were used to identify indicators related to infant mortality.

Social vulnerability and COVID-19 incidence in a Brazilian metropolis.

Vulnerability is a crucial factor in addressing COVID-19 as it can aggravate the disease. Thus, it should be considered in COVID-19 control and health prevention and promotion. This ecological study aimed to analyze the spatial distribution of the incidence of COVID-19 cases in a Brazilian metropolis and its association with social vulnerability indicators.

Construct validation: coping with HIV/AIDS in Primary Health Care.

Objective: To validate the construct and measure the trustworthiness of a questionnaire aimed at assessing HIV/AIDS coping actions developed by health professionals in Primary Health Care.

Method: A methodological study carried out with 397 primary health care professionals in two municipalities in the Northeast region of Brazil. The construct validity was developed by the exploratory and confirmatory factor analysis, and the reliability analyzed by the reliability and reproducibility.