Characteristics associated with dietary patterns in Brazilian children under two years of age.

Objective: To analyze the dietary patterns of Brazilian children under two years of age and assess their association with sociodemographic characteristics and health service use.

Methods: This is a cross-sectional study with data from the 2013 National Health Survey (PNS). Patterns were found for two age groups by principal component analysis and their correlation with characteristics of interest was tested by linear regression models.

Temporal trend of simultaneous risk factors for chronic non-communicable diseases: National School Health Survey 2009, 2012, 2015.

Objective: To analyze the temporal trend of simultaneous occurrence of behavioral risk factors for chronic non-communicable diseases in Brazilian school adolescents.

Methods: Ecological time-series study that analyzed data from the three editions of the National Survey of School Health with students in the 9th year of public and private schools. Cluster analysis was performed to identify the simultaneity of the following factors: irregular consumption of fresh or minimally processed foods, regular consumption of processed and ultra-processed foods, insufficient level of physical activity during leisure time, consumption of alcoholic beverages, use of cigarettes and illicit drugs.

Sampling plan and methodological aspects: a household healthcare survey in Piauí.

Objective: To describe the methodological aspects of the Piauí home healthcare survey (ISAD-PI) and assess the relation between sampling plan, precision, and design effects, assuming that population health surveys are relevant instruments for health monitoring.

Methods: ISAD-PI was a population-based cross-sectional study that analyzed the living conditions and health status of the population residing in urban areas in the municipalities of Teresina and Picos, in Piauí. Sampling was carried out by conglomerates in two stages: Primary Sampling Units and households.

An analysis of risk factors for arterial hypertension in adolescent students.

The objective of the study was to evaluate some risk factors for increases in systemic arterial blood pressure. This transversal study was carried out with 145 individuals from 12 to 18 years of age at two state schools in the city of Pico in the state of Piauí in Brazil. The majority were female (62.

Identification and analysis of antinutritional factors in possible interactions between medications and food/nutrients in hospitalized patients.

Objective: To identify and analyze the presence of antinutritional factors in possible interactions between medications and foods/ nutrients of the diets prescribed for patients of the Hospital Regional Justino Luz, in the city of Picos (PI) in order to suggest their likely mechanisms.

Methods: The sample was made up of 120 medical records of hospitalized patients. The charts were analyzed to verify the presence or absence of interactions between medications and foods/nutrients of the diets prescribed to the patients at the Hospital Regional Justino Luz, emphasizing the action of antinutritional factors in these interactions.

Analysis of possible food/nutrient and drug interactions in hospitalized patients.

Objective: To evaluate the prescription in relation to the possible interactions between drugs and foods/nutrients in the diets of patients in the Hospital Regional Justino Luz in the municipality of Picos, Piauí, Brazil.

Methods: The sample consisted of 60 medical records of patients admitted at the hospital. The records were analyzed according to the presence or absence of interactions between drugs and foods/nutrients of the prescribed diets.