Heráclito Barbosa Carvalho
Biographic Data
| ID | 7550642 |
|---|---|
| NAME | Heráclito Barbosa Carvalho |
| GIVEN NAMES | Heráclito Barbosa |
| FAMILY NAME | Carvalho |
| SIGNATURE | CARVALHO H B |
| AFFILIATIONS | Universidade de São Paulo |
| ORCID | 0000-0002-7037-5655 |
| VERIFIED | Yes |
| TOTAL WORKS | 13 |
| TOTAL CITATIONS | 8 |
| AUTHOR COUNT | 13 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2007 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 2 |
Development of a 24-Hour Movement Behavior Questionnaire: Reliability and Validity Testing in College Students From Low-Income Regions
In this study, we aimed to develop and test the psychometric properties of an online 24-hr movement behavior questionnaire (24 hr-MBQ). We recruited a sample of 195 undergraduate students. We developed a questionnaire based on 19 items extracted from previously validated questionnaires. We conducted reliability and construct validity assessment by classical test theory and structural validity assessment using unsupervised machine learning. In the…
Validity of Perceived Stress Scale in Brazilian low-income college students
Validity of Perceived Stress Scale in Brazilian low-income college students
OBJECTIVE: We tested the reliability and validity of the Perceived Stress Scale, an online questionnaire, among college students from low-income Brazilian regions. METHODS: We assessed 195 college students from a region with a Gini index of 0.56 for the validity study and a subsample of 117 students for the reliability study, where we evaluated the Perceived Stress Scale with the 14 original items. We also applied the shortened version of the Bri…
Risk and protective factors for the development of stress in the Federal Highway Police
Objective The present study aimed to identify the risk and protective factors for the development of stress in a random and stratified sample of Brazilian federal highway police officers in the state of São Paulo (N = 202). Method The instruments used were a General Questionnaire (sociodemographic and occupational variables) and Lipp’s Stress Symptom Inventory for Adults. The prevalence ratio was used as a measure of association and the independe…
Reliability and Validity Estimate of the Pro-Inflammatory/Anti-Inflammatory Food Intake Score in South American Pediatric Population: Saycare Study
The PAIFIS showed acceptable reliability, weak convergent validity, and weak criterion validity in children and adolescents
Use of Alcohol Mixed with Energy Drinks Increases the Prevalence of Driving Violations among Brazilian Truck Drivers
Background: The use of alcohol mixed with energy drinks (AmED) has been reported to be associated with a variety of unsafe driving practices. Truck drivers are vulnerable to driving violations, particularly because of their engagement in drug use. The use of AmED among these professionals remains unknown. Aim: To estimate the prevalence of AmED use and its association with driving violations among truck drivers. Methods: 684 drivers were recruite…
Reliability and validity of an FFQ for South American children and adolescents from the Saycare study
Objective: The purpose of this study was to analyse the reliability and validity of a semi-quantitative FFQ to assess food group consumption in South American children and adolescents. Design: The SAYCARE (South American Youth/Child cARdiovascular and Environmental) study is an observational, multicentre, feasibility study performed in a sample of 3- to 18-year-old children and adolescents attending private and public schools from six South Ameri…
Reliability and validity of body weight and body image perception in children and adolescents from the South American Youth/Child Cardiovascular and Environmental (Saycare) Study
Objective To assess the reliability and validity of body weight (BW) and body image (BI) perception reported by parents (in children) and by adolescents in a South American population. Design Cross-sectional study. BW perception was evaluated by the question, ‘Do you think you/your child are/is: severely wasted, wasted, normal weight, overweight, obese?’ BI perception was evaluated using the Gardner scale. To evaluate reliability, BW and BI perce…
The Effects of Acute Cannabis Use on Nontraffic Injury Risk: Reviewing the Available Literature and Identifying Ways Forward
Recent evidence has indicated that cannabis use before driving is associated with a modest but increased risk for traffic-related injuries. However, the question of whether recent cannabis use is associated with a greater risk for other types of injuries remains unanswered. Aiming to understand better how acute cannabis use might affect the risk for all causes of injury, we have summarized the limited data available in the literature on the risk …
Attention performance among Brazilian truck drivers and its association with amphetamine use: Pilot study
The aim of this article was to describe the attention functioning of twenty-two truck drivers and its relationship with amphetamine use. Those drivers who reported using amphetamines in the twelve months previous to the interview had the best performance in a test evaluating sustained attention functioning. Although amphetamine use may initially seem advantageous to the drivers, it may actually impair safe driving. The findings suggest the import…
Associação entre via de parto e complicações maternas em hospital público da Grande São Paulo, Brasil
O estudo objetivou avaliar associação entre via de parto e complicações maternas. Realizou-se coorte retrospectiva com partos ocorridos durante o ano de 2003, em um hospital público. As complicações avaliadas foram: infecção, hemorragia, histerectomia, rotura uterina, lesão de órgão contíguo, trombose venosa profunda e embolia pulmonar. Utilizou-se a odds ratio (OR) e os testes de qui-quadrado de Pearson e de Fisher, além da regressão logística. …
Infecção pelo HIV entre gestantes atendidas nos centros de testagem e aconselhamento em Aids
OBJETIVO: Estimar a prevalência do HIV e identificar comportamentos sexuais de risco para a infecção em gestantes que realizaram rotina da assistência pré-natal. MÉTODOS: Estudo transversal com base em registros de atendimentos de 8.002 gestantes (25% do total dos municípios) residentes em 27 municípios da Região Sul do Brasil, em 2003, que realizaram testes anti-HIV em Centro de Testagem e Aconselhamento que realizavam pré-natal. Foram coletadas…
Estudo de comportamento associado à infecção pelo HIV e HCV em detentas de um presídio de São Paulo, Brasil
Observa-se aumento do número de casos de AIDS e hepatite C entre mulheres, incluindo aquelas confinadas no sistema prisional. Este trabalho propôs estudar aspectos relacionados ao comportamento sexual e associados ao risco de transmissão do HIV e da hepatite C em detentas numa penitenciária de São Paulo, Brasil. É um estudo transversal realizado em 2000, aplicando questionários de comportamento e obtendo diagnósticos sorológicos para HIV e HCV. A…
Attention performance among Brazilian truck drivers and its association with amphetamine use: Pilot study
The aim of this article was to describe the attention functioning of twenty-two truck drivers and its relationship with amphetamine use. Those drivers who reported using amphetamines in the twelve months previous to the interview had the best performance in a test evaluating sustained attention functioning. Although amphetamine use may initially seem advantageous to the drivers, it may actually impair safe driving. The findings suggest the import…
Infecção pelo HIV entre gestantes atendidas nos centros de testagem e aconselhamento em Aids
OBJETIVO: Estimar a prevalência do HIV e identificar comportamentos sexuais de risco para a infecção em gestantes que realizaram rotina da assistência pré-natal. MÉTODOS: Estudo transversal com base em registros de atendimentos de 8.002 gestantes (25% do total dos municípios) residentes em 27 municípios da Região Sul do Brasil, em 2003, que realizaram testes anti-HIV em Centro de Testagem e Aconselhamento que realizavam pré-natal. Foram coletadas…
Estudo de comportamento associado à infecção pelo HIV e HCV em detentas de um presídio de São Paulo, Brasil
Observa-se aumento do número de casos de AIDS e hepatite C entre mulheres, incluindo aquelas confinadas no sistema prisional. Este trabalho propôs estudar aspectos relacionados ao comportamento sexual e associados ao risco de transmissão do HIV e da hepatite C em detentas numa penitenciária de São Paulo, Brasil. É um estudo transversal realizado em 2000, aplicando questionários de comportamento e obtendo diagnósticos sorológicos para HIV e HCV. A…
Associação entre via de parto e complicações maternas em hospital público da Grande São Paulo, Brasil
O estudo objetivou avaliar associação entre via de parto e complicações maternas. Realizou-se coorte retrospectiva com partos ocorridos durante o ano de 2003, em um hospital público. As complicações avaliadas foram: infecção, hemorragia, histerectomia, rotura uterina, lesão de órgão contíguo, trombose venosa profunda e embolia pulmonar. Utilizou-se a odds ratio (OR) e os testes de qui-quadrado de Pearson e de Fisher, além da regressão logística. …
Infecção pelo HIV entre gestantes atendidas nos centros de testagem e aconselhamento em Aids
OBJETIVO: Estimar a prevalência do HIV e identificar comportamentos sexuais de risco para a infecção em gestantes que realizaram rotina da assistência pré-natal. MÉTODOS: Estudo transversal com base em registros de atendimentos de 8.002 gestantes (25% do total dos municípios) residentes em 27 municípios da Região Sul do Brasil, em 2003, que realizaram testes anti-HIV em Centro de Testagem e Aconselhamento que realizavam pré-natal. Foram coletadas…
Estudo de comportamento associado à infecção pelo HIV e HCV em detentas de um presídio de São Paulo, Brasil
Observa-se aumento do número de casos de AIDS e hepatite C entre mulheres, incluindo aquelas confinadas no sistema prisional. Este trabalho propôs estudar aspectos relacionados ao comportamento sexual e associados ao risco de transmissão do HIV e da hepatite C em detentas numa penitenciária de São Paulo, Brasil. É um estudo transversal realizado em 2000, aplicando questionários de comportamento e obtendo diagnósticos sorológicos para HIV e HCV. A…
Associação entre via de parto e complicações maternas em hospital público da Grande São Paulo, Brasil
O estudo objetivou avaliar associação entre via de parto e complicações maternas. Realizou-se coorte retrospectiva com partos ocorridos durante o ano de 2003, em um hospital público. As complicações avaliadas foram: infecção, hemorragia, histerectomia, rotura uterina, lesão de órgão contíguo, trombose venosa profunda e embolia pulmonar. Utilizou-se a odds ratio (OR) e os testes de qui-quadrado de Pearson e de Fisher, além da regressão logística. …
Attention performance among Brazilian truck drivers and its association with amphetamine use: Pilot study
The aim of this article was to describe the attention functioning of twenty-two truck drivers and its relationship with amphetamine use. Those drivers who reported using amphetamines in the twelve months previous to the interview had the best performance in a test evaluating sustained attention functioning. Although amphetamine use may initially seem advantageous to the drivers, it may actually impair safe driving. The findings suggest the import…
The Effects of Acute Cannabis Use on Nontraffic Injury Risk: Reviewing the Available Literature and Identifying Ways Forward
Recent evidence has indicated that cannabis use before driving is associated with a modest but increased risk for traffic-related injuries. However, the question of whether recent cannabis use is associated with a greater risk for other types of injuries remains unanswered. Aiming to understand better how acute cannabis use might affect the risk for all causes of injury, we have summarized the limited data available in the literature on the risk …
Reliability and validity of body weight and body image perception in children and adolescents from the South American Youth/Child Cardiovascular and Environmental (Saycare) Study
Objective To assess the reliability and validity of body weight (BW) and body image (BI) perception reported by parents (in children) and by adolescents in a South American population. Design Cross-sectional study. BW perception was evaluated by the question, ‘Do you think you/your child are/is: severely wasted, wasted, normal weight, overweight, obese?’ BI perception was evaluated using the Gardner scale. To evaluate reliability, BW and BI perce…
Use of Alcohol Mixed with Energy Drinks Increases the Prevalence of Driving Violations among Brazilian Truck Drivers
Background: The use of alcohol mixed with energy drinks (AmED) has been reported to be associated with a variety of unsafe driving practices. Truck drivers are vulnerable to driving violations, particularly because of their engagement in drug use. The use of AmED among these professionals remains unknown. Aim: To estimate the prevalence of AmED use and its association with driving violations among truck drivers. Methods: 684 drivers were recruite…
Reliability and validity of an FFQ for South American children and adolescents from the Saycare study
Objective: The purpose of this study was to analyse the reliability and validity of a semi-quantitative FFQ to assess food group consumption in South American children and adolescents. Design: The SAYCARE (South American Youth/Child cARdiovascular and Environmental) study is an observational, multicentre, feasibility study performed in a sample of 3- to 18-year-old children and adolescents attending private and public schools from six South Ameri…
Risk and protective factors for the development of stress in the Federal Highway Police
Objective The present study aimed to identify the risk and protective factors for the development of stress in a random and stratified sample of Brazilian federal highway police officers in the state of São Paulo (N = 202). Method The instruments used were a General Questionnaire (sociodemographic and occupational variables) and Lipp’s Stress Symptom Inventory for Adults. The prevalence ratio was used as a measure of association and the independe…
Reliability and Validity Estimate of the Pro-Inflammatory/Anti-Inflammatory Food Intake Score in South American Pediatric Population: Saycare Study
The PAIFIS showed acceptable reliability, weak convergent validity, and weak criterion validity in children and adolescents
Development of a 24-Hour Movement Behavior Questionnaire: Reliability and Validity Testing in College Students From Low-Income Regions
In this study, we aimed to develop and test the psychometric properties of an online 24-hr movement behavior questionnaire (24 hr-MBQ). We recruited a sample of 195 undergraduate students. We developed a questionnaire based on 19 items extracted from previously validated questionnaires. We conducted reliability and construct validity assessment by classical test theory and structural validity assessment using unsupervised machine learning. In the…
Validity of Perceived Stress Scale in Brazilian low-income college students
Validity of Perceived Stress Scale in Brazilian low-income college students
OBJECTIVE: We tested the reliability and validity of the Perceived Stress Scale, an online questionnaire, among college students from low-income Brazilian regions. METHODS: We assessed 195 college students from a region with a Gini index of 0.56 for the validity study and a subsample of 117 students for the reliability study, where we evaluated the Perceived Stress Scale with the 14 original items. We also applied the shortened version of the Bri…
Medicine (10 works) · Psychology (8 works) · Environmental health (6 works) · Obesity, Physical Activity, Diet (5 works) · Clinical Psychology (4 works) · Gynecology (3 works) · Human Factors and Ergonomics (3 works) · Injury prevention (3 works) · Logistic regression (3 works) · Poison control (3 works)