Carla Lopes
Biographic Data
| ID | 5485032 |
|---|---|
| NAME | Carla Lopes |
| GIVEN NAMES | Carla |
| FAMILY NAME | Lopes |
| SIGNATURE | LOPES C |
| AFFILIATIONS | Universidade do Porto |
| ORCID | 0000-0003-1524-852X |
| VERIFIED | Yes |
| TOTAL WORKS | 40 |
| TOTAL CITATIONS | 34 |
| AUTHOR COUNT | 40 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2008 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 4 |
Dietary intake according to different patterns of food preparation in children and adults: Results from the Portuguese National Food, Nutrition and Physical Activity Survey (IAN-AF 2015/2016)
Objective: To investigate associations between dietary intake and patterns of food preparation by age group. Design: This cross-sectional study analysed dietary intake data from the most recent Portuguese National Food, Nutrition and Physical Activity Survey. Cluster analysis categorised dietary intake based on the source of food preparation. Regression models were used to study the association between dietary daily intake, Healthy Eating Score (…
Modeling the health impact of legislation to limit the salt content of bread in Portugal: A macro simulation study
Salt is an important risk factor in Portugal and bread is a major source. Lowering maximum permissible levels and removing exemptions would save lives. The European Commission should revisit its decision on the basis of this new evidence
The influence of item order of the Household Food Security Survey Module on the assessment of food insecurity in households with children
Objective: Changes in the item order of the US Household Food Security Survey Module (USHFSSM) were performed throughout time. This study aimed to compare the psychometric properties of the general and specific factors of the 2000 and 2012 versions of the USHFSSM to measure the construct of food insecurity in two Portuguese samples of households with children. Design: Cross-sectional. Setting: Portugal. Participants: An adaptation of the 2000 ver…
Longitudinal bidirectional relationship between children's appetite and diet quality: A prospective cohort study
Self-perceived general health among community-dwelling Portuguese older adults: Do men and women differ
Evidence on how gender intersects with relevant social constructs in later phases of life is scarce. This investigation examined gender inequalities in perceived health status (self-perceived general health; SPGH) by Portuguese elderly community-dwellers while considering psycho-social and socio-demographic determinants. This study used data from a representative sample of community-dwellers aged ≥65 years (N = 920), who were enrolled in the Port…
Association between parental and offspring BMI: Results from Epaci Portugal 2012
Objective: To assess the longitudinal association between parental BMI and offspring’s BMI, in EPACI Portugal 2012. Design: Longitudinal study with retrospective collection of children’s anthropometry data since birth. Children’s anthropometric data were gathered from individual child health bulletins, and parents’ anthropometrics were self-reported. Children’s and parents’ BMI were classified according to WHO cut-offs. Linear mixed models with r…
Energy intake misreport: How different methods affect its prevalence and nutrient intake estimates
Multivariate methods lead to a higher prevalence of misreports and larger differences in nutrient estimates. The application of the pTEE 1SD and Goldberg 2SD methods resulted in more accurate nutrient estimates
Consumption of packaged foods by the Portuguese population: Type of materials and its associated factors
Purpose This study aims to evaluate in the Portuguese population the consumption of packaged food (PF) vs non-packaged food, the associated factors and to estimate the contribution of specific food groups to the use of packaging materials. Design/methodology/approach A representative sample of the population was evaluated within the National Food, Nutrition and Physical Activity Survey 2015–2016 ( n = 5,811, 3 months-84y). Dietary data were colle…
Characterizing energy intake misreporting and its effects on intake estimations, in the Portuguese adult population
Objective: The aim of the current study was to evaluate energy intake misreporting prevalence, its associated factors and its effects on nutrient intake, in the Portuguese population aged from 18 to 84 years. Design: Cross-sectional study. Setting: Portugal. Subjects: Adults participants from the National Food, Nutrition and Physical Activity Survey, IAN-AF, 2015–2016, who provided two complete 24 h dietary recall and complete covariate informati…
Total, added and free sugar intakes, dietary sources and determinants of consumption in Portugal: The National Food, Nutrition and Physical Activity Survey (IAN-AF 2015–2016)
Objective: To assess total sugar (TS), added sugar (AS) and free sugar (FS) intakes, dietary sources, adherence to recommendations and determinants of consumption, in a Portuguese national sample. Design: Cross-sectional study. Dietary assessment was obtained by two food diaries in children aged Setting: National Food, Nutrition and Physical Activity Survey (IAN-AF 2015–2016), Portugal. Participants: Representative sample from the Portuguese popu…
Validation of a new software eAT24 used to assess dietary intake in the adult Portuguese population
Objective: The aim of the current study was to evaluate the accuracy of the new software eAT24 used to assess dietary intake in the National Food, Nutrition and Physical Activity Survey (IAN-AF) against urinary biomarkers: N (nitrogen), K (potassium) and Na (sodium). Design: We conducted a cross-sectional study. Two non-consecutive 24-h dietary recalls (24-HDR) were applied, and a 24-h urine sample was collected. We examined differences between e…
Malnutrition among older adults living in Portuguese nursing homes: The PEN-3S study
Objective To characterise the nutritional status and to identify malnutrition-associated variables of older adults living in Portuguese nursing homes. Design Cross-sectional study. Data on demographic and socio-economic characteristics, self-reported morbidity, eating-related problems, nutritional status, cognitive function, depression symptoms, loneliness feelings and functional status were collected by trained nutritionists through a computer-a…
Eating frequency and weight status in Portuguese children aged 3–9 years: Results from the cross-sectional National Food, Nutrition and Physical Activity Survey 2015–2016
Objective: To evaluate daily eating frequency (main meals and snacks) in relation to weight status in children aged 3–9 years, representative of the Portuguese population. Design: Cross-sectional study. Dietary intake was estimated as the mean of two non-consecutive days of food diaries, followed by face-to-face interviews. Weight and height were measured by trained observers. Eating occasions (EO) were defined by the children’s caregiver; an EO …
Association between eating frequency and eating behaviours related to appetite from 4 to 7 years of age: Findings from the population-based birth cohort generation XXI
Prevalence of general and abdominal obesity in Portugal: Comprehensive results from the National Food, nutrition and physical activity survey 2015–2016
Almost 60% of the general Portuguese population is obese or pre-obese. Women, elderly and less educated individuals present the highest obesity prevalence. Abdominal obesity, in particular, seems to be a relevant public health problem among the elderly men
Validation of a picture book to be used in a pan-European dietary survey
Objective To validate a picture book for estimation of food portion sizes using two approaches: (i) ‘perception’ of food portions by comparison with a series of food photos; and (ii) ‘conceptualization and memory’, using the same photos to estimate the amount of served food one hour after self-served food portions. Design Each partner developed a country-specific picture book based on the so-called EPIC-Soft picture book. Representative and commo…
Relationship between dietary vitamin D and serum 25-hydroxyvitamin D levels in Portuguese adolescents
Objective To understand the relationship between vitamin D intake and serum 25-hydroxyvitamin D (25(OH)D) levels in a sample of Portuguese adolescents. Design Cross-sectional evaluation carried out in the 2003/2004 school year. Vitamin D intake was assessed by an FFQ and 25(OH)D was measured in a fasting blood sample. Setting Public and private schools in Porto, Portugal. Subjects Adolescents aged 13 years ( n 521) enrolled at school (EPITeen coh…
Tracking diet variety in childhood and its association with eating behaviours related to appetite: The generation XXI birth cohort
Association between dietary patterns and adiposity from 4 to 7 years of age
Objective The present study aimed to evaluate the association of 4-year-old children’s dietary patterns with adiposity at 7 years, according to child’s sex, using a conceptual model. Design Prospective cohort study. Diet was assessed using an FFQ. Age- and sex-specific BMI standard deviation scores ( Z -scores) were defined according to the WHO. Fat mass percentage (FM%), fat mass index (FMI) and waist-to-height ratio (WHtR) were also considered,…
Association of maternal characteristics and behaviours with 4‐year‐old children's dietary patterns
This study examined the association of family and maternal characteristics with preschool children's dietary patterns. Trained interviewers evaluated subsample 3422 mothers and children enrolled in the population-based birth cohort Generation XXI (Porto, Portugal, 2005-2006). Maternal characteristics and behaviours (exercise, smoking habits, diet and child-feeding practices) and family characteristics were evaluated. Maternal diet was classified …
Folate and folic acid in the periconceptional period: Recommendations from official health organizations in thirty-six countries worldwide and WHO
Objective To summarize the recommendations on folate intake and folic acid supplementation and fortification in the periconceptional period, aimed at prevention of neural tube defects (NTD), provided by official health organizations in different countries worldwide and WHO. Design Information on recommendations for folate and folic acid intake in the periconceptional period was gathered from the websites of official national health organizations …
Validation Analysis of a Geriatric Dehydration Screening Tool in Community-Dwelling and Institutionalized Elderly People
Dehydration is common among elderly people. The aim of this study was to perform validation analysis of a geriatric dehydration-screening tool (DST) in the assessment of hydration status in elderly people. This tool was based on the DST proposed by Vivanti et al., which is composed by 11 items (four physical signs of dehydration and seven questions about thirst sensation, pain and mobility), with four questions extra about drinking habits. The re…
The influence of early feeding practices on healthy diet variety score among pre-school children in four European birth cohorts
Objective The present study examined whether maternal diet and early infant feeding experiences relating to being breast-fed and complementary feeding influence the range of healthy foods consumed in later childhood. Design Data from four European birth cohorts were studied. Healthy Plate Variety Score (HPVS) was calculated using FFQ. HPVS assesses the variety of healthy foods consumed within and across the five main food groups. The weighted num…
Predictive equations for estimating regional body composition: A validation study using DXA as criterion and associations with cardiometabolic risk factors
Equations combining both circumferences and skin-folds met the necessary standards for predicting regional body composition accurately, being an important tool to identify individuals with cardiometabolic risk
Maternal child-feeding practices and dietary inadequacy of 4-year-old children
Maternal child-feeding practices and dietary inadequacy of 4-year-old children
Longitudinal bidirectional relationship between children's appetite and diet quality: A prospective cohort study
Tracking diet variety in childhood and its association with eating behaviours related to appetite: The generation XXI birth cohort
Fatores associados à atividade física na população portuguesa
OBJETIVO: Avaliar como as características demográficas, sociais e comportamentais se associam a diferentes tipos de atividade física. MÉTODOS: Avaliaram-se 37.692 indivíduos de amostra representativa da população portuguesa, no âmbito do Inquérito Nacional de Saúde, 1998-99. A maioria era constituída por mulheres (53,1%) e idade 20 anos. A avaliação da atividade física diária foi baseada em questionário e classificada como: total, de lazer e exer…
Association between eating frequency and eating behaviours related to appetite from 4 to 7 years of age: Findings from the population-based birth cohort generation XXI
Dietary intake and different types of physical activity: Full-day energy expenditure, occupational and leisure-time
Objective To describe the relationship between dietary intake and different levels and types of physical activity (PA). Design Cross-sectional evaluation of the EPIPorto study. Energy expenditure (metabolic energy equivalent tasks) and dietary intake during the past year were assessed using a PA questionnaire and a semi-quantitative food-frequency questionnaire, respectively. Setting Representative sample of adults in Porto, Portugal. Subjects Da…
Fatores associados à atividade física na população portuguesa
OBJETIVO: Avaliar como as características demográficas, sociais e comportamentais se associam a diferentes tipos de atividade física. MÉTODOS: Avaliaram-se 37.692 indivíduos de amostra representativa da população portuguesa, no âmbito do Inquérito Nacional de Saúde, 1998-99. A maioria era constituída por mulheres (53,1%) e idade 20 anos. A avaliação da atividade física diária foi baseada em questionário e classificada como: total, de lazer e exer…
Validity and reproducibility of a semi-quantitative food frequency questionnaire for use among Portuguese pregnant women
This study aimed to evaluate the validity and reproducibility of a semi-quantitative food frequency questionnaire (FFQ) to estimate nutrient intake among Portuguese pregnant women. A sample of 101 pregnant women completed a 3-day food diary (FD) in each pregnancy trimester (reference method) and an interviewer-administered FFQ in the immediate post-partum period. Ranking women according to their usual intake showed that, on average, 65% were clas…
Gender heterogeneity in the association between lifestyles and non-fatal acute myocardial infarction
Objective To evaluate the modification effect of sex in the association between lifestyles and acute myocardial infarction (AMI). Design Population-based case–control study. Trained interviewers collected information using a standard structured questionnaire. Associations were estimated using unconditional logistic regression. The effect modification by sex was evaluated in the regression models, testing interaction terms between lifestyles and s…
Testing an adaptation of the Epic Physical Activity Questionnaire in Portuguese adults: A validation study that assesses the seasonal bias of self-report
The questionnaire is a valid and reproducible instrument for the brief assessment of usual energy expenditure in adults, detailing different types of PA. In males, seasonal bias on reporting leisure-time and professional PA was found
Food Patterns According to Sociodemographics, Physical Activity, Sleeping and Obesity in Portuguese Children
Our study aimed to describe the association between food patterns and gender, parental education, physical activity, sleeping and obesity in 1976 children aged 5-10 years old. Dietary intake was measured by a semi quantitative food frequency questionnaire; body mass index was calculated and categorized according to the IOTF classification. Factor analysis and generalized linear models were applied to identify food patterns and their associations.…
Food sources of nutrients among 13-year-old Portuguese adolescents
Objective To identify food sources of nutrients in adolescents’ diets and to identify differences in food sources according to individual characteristics. Design A cross-sectional evaluation was carried out in the 2003/2004 school year. Self-administered questionnaires were used and a physical examination was performed. Diet was evaluated using an FFQ. Setting Public and private schools in Porto, Portugal. Subjects Adolescents aged 13 years ( n 1…
Sugar-sweetened beverage intake and overweight in children from a Mediterranean country
Objective To assess the association between sugar-sweetened beverage (SSB) consumption and overweight in children from a Mediterranean country. Design The children’s dietary intake was measured using a semi-quantitative FFQ completed by the parents. Overall, 2512 questionnaires were returned and 837 children were removed, leaving a final sample of 1675 children, aged between 5 and 10 years. Height and weight were measured according to internation…
Social and behavioural determinants of alcohol consumption
Current and high-intake drinkers were more frequently men, older and less educated subjects, smokers and lower fruit and vegetable consumers, compared with non-drinkers
Comparison of Modes of Administration and Response Options in the Assessment of Subjective Health Using the First Question of SF-36
P1-270 Small and large for gestational age children have different eating behaviours at 6 months of age
Aim To relate eating behaviours at 6 months of age with weight for gestational age at birth. Methods Study subjects belong to a population-based birth cohort assembled in Porto, Portugal (Generation XXI, n=8666). A sub-cohort of 1562 newborns was re-evaluated at 6 months and 1227 singletons presented data on variables of interest. Data were gathered by trained interviewers. Mother answered a questionnaire on socio-demographic, clinical and behavi…
P2-375 Family history of diabetes: The role of grandparents data to identify adolescents at diabetes risk
Objective To evaluate the role of grandparents' history of diabetes on defining family history of diabetes in order to identify adolescents at high risk of diabetes. Study design and Setting We evaluated 1276 population-based adolescents, aged 13-year-old, from Portugal. Data were collected by self-reported questionnaires and a clinical evaluation was performed, including a fasting blood sample. Results The prevalence of impaired fasting glucose …
P1-78 Body image dissatisfaction at early adolescence and changes in adiposity through adolescence
Objective To prospectively study the effect of body dissatisfaction on changes in adiposity during adolescence. Methods We studied 1490 Portuguese adolescents evaluated at 13 and 17 years, under a population-based cohort (EPITeen). Body dissatisfaction was defined as the difference between perceived and desired body image, assessed by Stunkard figures at 13 y. BMI z-scores were computed based on CDC percentiles and body fat percentage (BF%) was a…
Social and health behavioural determinants of maternal child‐feeding patterns in preschool‐aged children
Parental child-feeding attitudes and practices may compromise the development of healthy eating habits and adequate weight status in children. This study aimed to identify maternal child-feeding patterns in preschool-aged children and to evaluate their association with maternal social and health behavioural characteristics. Trained interviewers evaluated 4724 dyads of mothers and their 4-5-year-old child from the Generation XXI cohort. Maternal c…
Could the Food Neophobia Scale be adapted to pregnant women? A confirmatory factor analysis in a Portuguese sample
Validation Analysis of a Geriatric Dehydration Screening Tool in Community-Dwelling and Institutionalized Elderly People
Dehydration is common among elderly people. The aim of this study was to perform validation analysis of a geriatric dehydration-screening tool (DST) in the assessment of hydration status in elderly people. This tool was based on the DST proposed by Vivanti et al., which is composed by 11 items (four physical signs of dehydration and seven questions about thirst sensation, pain and mobility), with four questions extra about drinking habits. The re…
The influence of early feeding practices on healthy diet variety score among pre-school children in four European birth cohorts
Objective The present study examined whether maternal diet and early infant feeding experiences relating to being breast-fed and complementary feeding influence the range of healthy foods consumed in later childhood. Design Data from four European birth cohorts were studied. Healthy Plate Variety Score (HPVS) was calculated using FFQ. HPVS assesses the variety of healthy foods consumed within and across the five main food groups. The weighted num…
Predictive equations for estimating regional body composition: A validation study using DXA as criterion and associations with cardiometabolic risk factors
Equations combining both circumferences and skin-folds met the necessary standards for predicting regional body composition accurately, being an important tool to identify individuals with cardiometabolic risk
Maternal child-feeding practices and dietary inadequacy of 4-year-old children
Association of maternal characteristics and behaviours with 4‐year‐old children's dietary patterns
This study examined the association of family and maternal characteristics with preschool children's dietary patterns. Trained interviewers evaluated subsample 3422 mothers and children enrolled in the population-based birth cohort Generation XXI (Porto, Portugal, 2005-2006). Maternal characteristics and behaviours (exercise, smoking habits, diet and child-feeding practices) and family characteristics were evaluated. Maternal diet was classified …
Folate and folic acid in the periconceptional period: Recommendations from official health organizations in thirty-six countries worldwide and WHO
Objective To summarize the recommendations on folate intake and folic acid supplementation and fortification in the periconceptional period, aimed at prevention of neural tube defects (NTD), provided by official health organizations in different countries worldwide and WHO. Design Information on recommendations for folate and folic acid intake in the periconceptional period was gathered from the websites of official national health organizations …
Association between dietary patterns and adiposity from 4 to 7 years of age
Objective The present study aimed to evaluate the association of 4-year-old children’s dietary patterns with adiposity at 7 years, according to child’s sex, using a conceptual model. Design Prospective cohort study. Diet was assessed using an FFQ. Age- and sex-specific BMI standard deviation scores ( Z -scores) were defined according to the WHO. Fat mass percentage (FM%), fat mass index (FMI) and waist-to-height ratio (WHtR) were also considered,…
Prevalence of general and abdominal obesity in Portugal: Comprehensive results from the National Food, nutrition and physical activity survey 2015–2016
Almost 60% of the general Portuguese population is obese or pre-obese. Women, elderly and less educated individuals present the highest obesity prevalence. Abdominal obesity, in particular, seems to be a relevant public health problem among the elderly men
Validation of a picture book to be used in a pan-European dietary survey
Objective To validate a picture book for estimation of food portion sizes using two approaches: (i) ‘perception’ of food portions by comparison with a series of food photos; and (ii) ‘conceptualization and memory’, using the same photos to estimate the amount of served food one hour after self-served food portions. Design Each partner developed a country-specific picture book based on the so-called EPIC-Soft picture book. Representative and commo…
Relationship between dietary vitamin D and serum 25-hydroxyvitamin D levels in Portuguese adolescents
Objective To understand the relationship between vitamin D intake and serum 25-hydroxyvitamin D (25(OH)D) levels in a sample of Portuguese adolescents. Design Cross-sectional evaluation carried out in the 2003/2004 school year. Vitamin D intake was assessed by an FFQ and 25(OH)D was measured in a fasting blood sample. Setting Public and private schools in Porto, Portugal. Subjects Adolescents aged 13 years ( n 521) enrolled at school (EPITeen coh…
Medicine (37 works) · Environmental health (28 works) · Obesity, Physical Activity, Diet (26 works) · Demography (22 works) · Internal Medicine (20 works) · Nutritional Studies and Diet (19 works) · Population (19 works) · Demography (17 works) · Psychology (14 works) · Portuguese (11 works)