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"Alves, Stephanie"
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Outspoken Objects and Unspoken Myths
This interactionist study draws on the semiotics of Peirce and Barthes to theorize object-mediated communication, a nonverbal interpersonal technique in which individuals signal new information by using and orienting themselves to symbolically endowed material objects. Examining the case of door-mediated communication, it proposes that objects lie symbolically dormant until their deeper collective significance is activated through their use in interaction. The article expands the scope of interactionist inquiry on human–nonhuman relations by moving beyond the dominant scholarly focus on identity. The semiotic approach foregrounds a distinct human–object phenomenon, a novel category of nonverbal communication, and important meaning-making dynamics.
Journal Article
The All4Children project to assess the initial implementation of the Integrated Model of Family Foster Care in Portugal: A description of the study protocol
2024
The All4Children project addresses the urgent need to transition from institutionalization to family-based care for out-of-home children in Portugal. Despite evidence highlighting the detrimental effects of institutionalization, only a small percentage of children (less than 4%) are currently placed in family foster care in the country. In response to European directives for deinstitutionalization, Portuguese legislation now prioritizes non-kinship family foster care as the preferred alternative for young children in need of care. To facilitate this transition, the Integrated Model of Family Foster Care (MIAF) was developed, offering a comprehensive framework covering the entire spectrum of family foster care.
This research aims to investigate the initial implementation stage of the MIAF to promote high-quality family foster care in Portugal.
The study will conduct a mixed-method and longitudinal research project in family foster care agencies across different regions of Portugal, focusing on evaluating the implementation and outcomes of the MIAF model using a multi-informant and multi-method approach. The participants will include caseworkers, children aged 0-9 years entering foster care, and their respective foster families enrolled in the MIAF program. Process evaluation will assess fidelity, feasibility, appropriateness, and acceptability of MIAF modules, while outcome evaluation will examine child safety, stability, well-being, as well as foster family well-being and quality of relational care.
The insights gained from this research initiative will serve as a foundation for the ongoing enhancement of MIAF. Consequently, this project has the capacity to advance evidence-based child welfare practices by refining processes and strategies to better serve vulnerable children and youth.
Facilitated by a multidisciplinary team, this project will contribute to advancing research in the field, enhancing practice, and informing policy during a pivotal stage of deinstitutionalization in Portugal.
Journal Article
The Association of Oral Health Literacy and Oral Health Knowledge with Social Determinants in Pregnant Brazilian Women
by
Fraiz, Fabian Calixto
,
da Silva Assunção, Luciana Reichert
,
Vilella, Karina Duarte
in
Adult
,
Adult literacy
,
Babies
2016
The aim of the present study was to assess oral health literacy (OHL) in pregnant women and its association with social determinants and knowledge regarding eating habits and oral hygiene in infants. This cross-sectional study assessed 175 pregnant women in a hospital in southern Brazil. Socioeconomic and demographic data were obtained using a questionnaire, and OHL was determined by the Brazilian Rapid Estimate of Adult Literacy in Dentistry (BREALD-30). Eating habits and oral hygiene knowledge were assessed by statements on a 3-point Likert scale. The data were analyzed using Spearman correlations and the Mann–Whitney U test (α = 0.05). The mean (SD) age was 26.2 (6.17) years. Most of the participants had up to 8 years of education (60.0%) and belonged to socioeconomic class “C” or lower (56.0%). The mean (SD) score on the BREALD-30 was 22.4 (4.66). A positive correlation was found between BREALD-30 scores and knowledge (r
s
= 0.370, p < 0.001), income (r
s
= 0.374, p < 0.001), and the age at which infants first consumed sugar in their diets (r
s
= 0.370, p < 0.001). A negative correlation was found between BREALD-30 scores and domicile agglomeration (r
s
= –0.237, p = 0.020). BREALD-30 scores were higher among pregnant women who had more than 8 years of education (p < 0.001), who belonged to higher socioeconomic classes (p < 0.001), and who were employed (p = 0.025). A significant correlation was found between OHL and knowledge. Lower social determinants were associated with lower OHL. Oral health literacy should be considered in health education practices to facilitate adherence to health recommendations in pregnant women.
Journal Article
Preliminary Psychometric Testing of the Postpartum Depression Predictors Inventory-Revised (PDPI-R) in Portuguese Women
by
Fonseca, Ana
,
Canavarro, Maria Cristina
,
Alves, Stephanie
in
Medical screening
,
Mental depression
,
Postpartum depression
2018
Introduction Postpartum depression (PPD) is a prevalent condition with a serious impact. The early identification of women at risk for developing PPD allows for primary prevention and the delivery of timely appropriate referrals. This study investigated the validity and reliability of the postnatal version of the Postpartum Depression Predictors Inventory-Revised (PDPI-R), an instrument widely studied internationally, in Portuguese women. Methods The sample consisted of 204 women who participated in an online cross-sectional survey. Participants completed the European Portuguese versions of the PDPI-R, the Edinburgh Postnatal Depression Scale (EPDS), and the Postnatal Negative Thoughts Questionnaire at 1–2 months postpartum. Additionally, ROC analyses were performed to conduct an exploratory analysis of the instruments’ predictive validity. Results The prevalence rates of clinical postpartum depressive symptoms were 27.5 and 14.2% using the cut-off scores of 9 and 12, respectively, on the EPDS. The European Portuguese postnatal version of the PDPI-R demonstrated acceptable reliability and satisfactory construct and convergent validity. When using the EPDS > 9 cut-off score, the exploratory analyses yielded a sensitivity of 76.8% and a specificity of 73.0% with a cut-off score of 5.5 [area under the curve = 0.816]. Discussion These preliminary findings encourage the use of the postnatal version of the PDPI-R as a screening tool to identify Portuguese women at high risk for developing PPD. Subsequent assessments are needed to support the routine application of the PDPI-R both in research and for clinical purposes.
Journal Article
Post-Adoption Help-Seeking in Portugal: A Comprehensive Study on Parental Difficulties and Help-Seeking Behaviors and Perceptions
by
Pastor, Isabel
,
Henriques, Margarida Rangel
,
Chorão, Ana Luz
in
Adolescent
,
Adoption
,
Adoptive families
2022
Effective psychological parenting interventions delivered to adoptive parents may prevent serious adjustment difficulties and promote a healthy functioning; however, less is known about adoptive parents’ specific parental difficulties and help-seeking behaviors and perceptions, the understanding of which is deemed necessary to design well-informed interventions. This study aimed to describe parental difficulties, help-seeking behaviors, satisfaction with, and perceived barriers to seek, professional help, and acceptability of psychological parenting interventions among Portuguese adoptive parents. Comparisons with biological parents (Study 1) and between adoptive parents that requested adoption-specialized and non-specialized support (i.e., adoption-specialized vs. non-specialized help-seekers) (Study 2) were explored. A cross-sectional online survey was conducted. Participants were 471 adoptive and 552 biological parents of children aged under 18 years who were recruited through schools, adoption agencies, and social networks. They completed measures assessing parental difficulties, help-seeking behaviors, satisfaction with, and perceived barriers to seek, professional help, and acceptability of psychological parenting interventions. Comparison tests between the study groups, Pearson’s correlations, analyses of covariance (ANCOVA) and multivariate logistic regressions (MLR) were performed. Parents’ well-being and normative parenting challenges were the most frequent difficulties in both groups, but only associated with adoptive parents’ help-seeking. Although difficulties related to a child’s problems/parent–child relationship were more frequent among adoptive parents, adoption-related difficulties were rarely reported. Adoptive parents sought professional help more frequently, regardless of parental difficulties. Knowledge-related barriers to seeking help were the most frequent among adoptive parents. Adoption non-specialized help was less satisfactory. Acceptability of psychological parenting interventions was high, but dependent on parental difficulties. Implications for post-adoption services’ development are discussed.
Journal Article
Streptococcus mutans serotyping, collagen-binding genes and Candida albicans in dentin carious lesions: a molecular approach
by
Rocha, Francisco Ruliglésio
,
Brilhante, Raimunda Sâmia Nogueira
,
Rodrigues, Lidiany Karla Azevedo
in
Adult
,
Candida albicans
,
Candida albicans - genetics
2025
Objectives
This cross-sectional study aimed to evaluate the occurrence of
Streptococcus
spp.,
Streptococcus mutans
, its serotypes (
c
,
e
,
f
, and
k
), collagen-binding genes (
cnm
/
cbm
), and
Candida albicans
in medium deep (D2) and deep (D3) dentin carious lesions of permanent teeth.
Materials and methods
Carious dentin was collected from D2 (
n
= 23) and D3 (
n
= 24) lesions in posterior teeth from 31 individuals. DNA was extracted and analyzed using polymerase chain reaction (PCR).
Results
Streptococcus
spp. exhibited a high prevalence in both D2 and D3 lesions, with a 100% occurrence rate in D3. Although
S. mutans
was prevalent in both lesion types, serotype distribution highlighted differences in complexity. Serotype
e
was the most frequently detected in D2 samples. Serotype
c
was absent in D2 but present in 19.0% of D3; serotype
k
was exclusively found in multi-serotype D3 alongside
f
,
c
, and
e
. The
cbm
gene and undetermined serotypes were detected only in D3.
Candida albicans
was not found in any samples, regardless of lesion depth.
Conclusion
Dentinal lesions exhibited a complex array of
S. mutans
serotypes, with a notable prevalence of the genus
Streptococcus
and an overall
S. mutans
prevalence of approximately 35%.
Candida albicans
was absent. In addition, a high diversity of serotypes was observed, including multiple and indeterminate serotypes, along with the presence of the collagen-binding
cbm
gene.
Clinical relevance
The identification of diverse
Streptococcus mutans
serotypes and the
cbm
gene in carious dentin from permanent teeth offers insights into microbial factors potentially linked to dentinal caries lesions. Additionally, the absence of
Candida albicans
suggests a limited role in this context.
Journal Article
Understanding the spread of prevention and cessation messages on social media for substance use in youth
by
Ray, Anne E
,
Peña-Alves, Stephanie
,
Mandal, Soumik
in
Alcohol use
,
Audiences
,
Comparative analysis
2021
PurposeEngagement is a critical metric to the effectiveness of online health messages. This paper explores how people engage in youth-generated prevention messages in social media.Design/methodology/approachThe data sample consisted of engagement measures of 82 youth-generated messages hosted in a social media channel and a follow-up survey on content creators' motivation for promoting their messages and their dissemination strategies. A comparative analysis of engagement metrics along with qualitative analysis of the message types was performed.FindingsTwo types of messages were considered: stop messages and prevent messages. Our analyses found that people interacted with stop messages on social media more frequently than prevent messages. On analyzing the youth's motivation and promotion strategies, no significant difference was observed between stop message creators and prevent message creators.Social implicationsThis work has implications for programs promoting prevention and health information in social media.Originality/valueThis is the first study in social media-based prevention programs the authors are aware of that differentiated between the strategies of youth-produced prevention messages.
Journal Article
Segmental Evaluation of Thoracic Aortic Calcium and Their Relations with Cardiovascular Risk Factors in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil)
by
Ribeiro, Antonio Luiz
,
Barreto, Sandhi Maria
,
Pedrosa, Jesiana Ferreira
in
Alcohol use
,
Aorta
,
Aortic arch
2021
Thoracic aortic calcium (TAC) appears to be a subclinical marker of cardiovascular disease (CVD) and to predict cardiovascular (CV) mortality. However, studies on TAC use tomographic scans obtained for coronary artery calcium (CAC) score, which does not include the aortic arch. This study evaluates TAC prevalence in aortic arch (AAC), ascending (ATAC) and descending thoracic aorta (DTAC) and verify whether they are associated with the same CV risk factors. Cross-sectional analysis, including 2427 participants (mean age 55.6 ± 8.7; 54.1% women) of the ELSA-Brasil cohort. Nonenhanced ECG-gated tomographies were performed in 2015–2016. Multivariable logistic regression estimated the CV risk factors associated with calcium in each segment. Overall prevalence of ATAC, AAC and DTAC was, 23.1%, 62.1%, and 31.2%, respectively. About 90.4% of the individuals with TAC had AAC and only 19.5% had calcium in all segments. In the multivariable analysis, increasing age, lower levels of schooling, current smoking, higher body mass index, and hypertension remained associated with calcium in all segments. No sex or race/ethnicity differences were found in any aortic segment. Diabetes and dyslipidemia were associated with ATAC and DTAC, but not with AAC, suggesting that AAC may reflect an overlap of mechanisms that impact vascular health, including atherosclerosis.
Journal Article
Genome-Wide Association for Morphological and Agronomic Traits in Phaseolus vulgaris L. Accessions
by
Lacanallo, Giselly Figueiredo
,
Alves, Stephanie Mariel
,
Vidigal Rosenberg, Andressa Gonçalves
in
Agronomy
,
Andes region
,
Beans
2024
Exploring genetic resources through genomic analyses has emerged as a powerful strategy to develop common bean (Phaseolus vulgaris L.) cultivars that are both productive and well-adapted to various environments. This study aimed to identify genomic regions linked to morpho-agronomic traits in Mesoamerican and Andean common bean accessions and to elucidate the proteins potentially involved in these traits. We evaluated 109 common bean accessions over three agricultural years, focusing on traits including the grain yield (YDSD), 100-seed weight (SW), number of seeds per pod (SDPD), number of pods per plant (PDPL), first pod insertion height (FPIH), plant height (PLHT), days to flowering (DF), and days to maturity (DPM). Using multilocus methods such as mrMLM, FASTmrMLM, FASTmrEMMA, ISIS EM-BLASSO, and pLARmEB, we identified 36 significant SNPs across all chromosomes (Pv01 to Pv11). Validating these SNPs and candidate genes in segregating populations is crucial for developing more productive common bean cultivars through marker-assisted selection.
Journal Article
Psychometric properties of the European Portuguese version of the modified perinatal PTSD questionnaire (PPQ-II)
by
Claro, Mariana
,
Alves, Stephanie
,
Beato, Ana
in
Behavioral Science and Psychology
,
Diagnosis
,
Methods
2024
Childbirth-related posttraumatic stress symptoms (CB-PTSS) are prevalent and have pervasive consequences for the entire family. The development and validation of tools for screening CB-PTSS are deemed necessary to maximize prevention and intervention efforts. This study aims to examine the psychometric properties of the modified perinatal PTSD questionnaire (PPQ-II) in a sample of European Portuguese mothers. Four hundred and fifty-one women, from 1 to 18 months postpartum, participated in an online cross-sectional study that was conducted between February and March 2020. Participants completed the PPQ-II and the Depression Anxiety Stress Scales – 21 (DASS-21). Factor structure was estimated through an Exploratory (EFA;
n
= 229) and Confirmatory factor analysis (CFA;
n
= 222). Convergent and known-groups validity and internal consistency of the scale were also computed. The EFA suggested a 2-structure factor (Factor 1 “Arousal”, containing 7 items; and Factor 2 “Avoidance and Intrusion”, containing 4 items), accounting for 48.3% of the total variance of the scale. This factor structure was supported by the CFA, showing an adequate fit to the data. Convergent validity was shown by significant associations between the PPQ-II and DASS-21 subscales. Overall, the scale discriminated between at-risk and low-risk mothers. The McDonald’ omega coefficients attested the high reliability of the PPQ-2 (ranging from 0.78 to 0.89). The PPQ-II is a valid and reliable instrument to routinely screen for CB-PTSS in perinatal health services. It also adds to prior studies demonstrating its cross-cultural validity.
Journal Article