Background: Participation rates in health surveys, recognized as an important quality dimension, have been declining over the years, which may affect representativeness and confidence in results. The Portuguese national health examination survey INSEF (2015) achieved a participation rate of 43.9%, which is in line with participation rates from other similar health examination surveys. The objective of this arti...
Introduction: Health surveys constitute a relevant information source to access the population’s health status. Given that survey errors can significantly influence estimates and invalidate study findings, it is crucial that the fieldwork progress is closely monitored to ensure data quality. The objective of this study was to describe the fieldwork monitoring conducted during the first Portuguese National Healt...
INTRODUCTION: Oral health is a determinant for quality of life and preventive behaviours such as regular tooth brushing can reduce the risk of a wide spectrum of oral diseases. Adopting preventive behaviours increases the likelihood of being healthy and can be conditioned by demographic and socio-economic factors. OBJECTIVE: This study aims to describe preventive oral hygiene behaviours in the Portuguese popula...
Background: In Health Examination Surveys interview information is complemented with objective information, providing more accurate indicators than self-reported data. We report the study design, planning and implementation of the first Portuguese Health Examination Survey (INSEF). Methods: INSEF was a cross-sectional population-based study representative at regional and national level. Individuals aged between...
Oral health is a state of being free from a range of diseases and disorders that affect oral cavity. Dental cavities and gum diseases are among the most prevalent diseases worldwide. However, they can be prevented as risk factors include poor diets and hygiene. Also, social determinants play a key role as it is well established that poor health is higher among the most disadvantaged. Thus this study aimed to de...
Background: Cardiovascular disorders are the main cause of mortality worldwide and arterial hypertension is recognized as a major risk factor for the development of cardiovascular disease. Methods: In Portugal, a National Health Examination Survey was conducted in 2015, where blood pressure was measured to 4911 randomly selected individuals aged 25 to 74 years old, following the European Health Examination Surv...
Background: High cholesterol level is a major and modifiable cardiovascular (CV) risk factor. This study aims to estimate the prevalence of elevated cholesterol in the Portuguese population based in the direct measurement of total serum cholesterol. Methods: The First National Health Examination Survey (INSEF) is a cross-sectional epidemiological study representative of the Portuguese population using a random ...
Background: Obesity is recognized as a serious public health issue, both as a disease in itself and as an important risk factor for cardiovascular diseases and diabetes. The First Portuguese National Health Examination Survey (INSEF 2015) aimed at obtain in-depth knowledge about health status and determinants and contribute to the reduction of health inequalities. The goal of this analysis was to estimate the p...
Recruitment of participants in health surveys is recognised as the most challenging step of fieldwork. This work presents preliminary results of recruitment in the first Portuguese National Health Examination Survey (INSEF) comparing participants and non participants. INSEF is a cross-sectional prevalence study targeting 4200 individuals aged 25–74 years, living in Portugal for more than 12 months, non-institut...
This paper focuses on development and testing of the questionnaire used in the first Portuguese National Health Examination Survey (INSEF), a cross-sectional prevalence study conducted by the National Health Institute Doutor Ricardo Jorge (INSA) in cooperation with the Norwegian Institute of Public Health, five Regional Health Administrations and the Regional Health and Social Affairs Offices of the Autonomous ...