Publications by authors named "Ivan Fernandez-Martinez"

Anxiety and depression are highly prevalent and comorbid problems in childhood, which deserve greater understanding for effective prevention and treatment. The main aim of the present study was to explore the comorbidity between anxiety and depression symptoms using a novel and valuable approach to study comorbidity, such as network analysis. Specifically, the connectivity between symptoms and possible relevant symptoms was examined through comorbidity estimation and shortest pathway networks, as well as bridge symptoms.

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Background: Nighttime fears are common among school-aged children and may be linked to psychological difficulties, while coping strategies may vary and affect their emotional well-being. This study aimed to identify patterns of nighttime fears and coping styles in school-aged children using Latent Profile Analysis. Subsequently, possible predictors of the latent profiles were tested through multinomial logistic regression analysis.

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The Youth Anxiety Measure for DSM-5 (YAM-5) is a self- and parent-report scale specifically developed to assess symptoms of major anxiety disorders (part 1 or YAM-5-I) and specific phobias/agoraphobia (part 2 or YAM-5-II) in children and adolescents in terms of the contemporary psychiatric classification system. Since its introduction, the measure has been increasingly used in research, making it feasible to provide a summary of its psychometric properties. The present article presents a systematic review of 20 studies that employed the YAM-5, involving 5325 young participants.

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Self-compassion is assumed to have a protective role in the etiology of emotional problems in adolescents. This assumption is primarily based on correlational data revealing negative correlations between the total score on the Self-Compassion Scale (SCS) and symptom measures of anxiety and depression. Recently, however, the SCS has been criticized because this scale not only consists of items measuring compassionate self-responding (i.

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Background: Super Skills for Life (SSL) is an eight-session transdiagnostic program based on cognitive-behavioral therapy (CBT), aimed at the indicated prevention of childhood emotional problems, which has been implemented with positive short- and long-term results. The present study aimed to examine the effects of a self-applied computerized program based on SSL that maintains the same objectives and contents as the face-to-face program.

Methods: In this randomized controlled study, 75 children (49.

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Background: The Short Mood and Feelings Questionnaire (SMFQ) is one of the few well-established available measures designed to assess childhood depression. The objective of the present study was to assess the psychometric properties and explore the differential item functioning (DIF) of the SMFQ in a community sample of Spanish children. Gender and age differences in SMFQ scores were also analyzed.

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Coping strategies can play an important role in dealing with nighttime fears and related anxiety problems in school-aged children, but well-established self-reporting tools are lacking, and research in this area is limited. The aim of this study was to develop a new self-report instrument assessing coping strategies in school-aged children when facing nighttime fears, the Nighttime Coping Response Scale (NCRS), and to examine its psychometric properties. Participants were 786 children (48.

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Super Skills for Life (SSL) is a transdiagnostic prevention program for school-aged children with internalizing problems. The current study aimed to examine the short- and long-term (12-month follow-up) effectiveness of SSL, depending on implementation fidelity. Participants were 123 Spanish-speaking children aged 6-8 years with internalizing symptoms and their parents.

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Nighttime fears are highly prevalent in children and are linked to children's distress and internalizing problems, especially childhood anxiety. Although its assessment may be critical, there is a lack of available standardized self-reports. This study aimed to describe the development and psychometric evaluation of the Nighttime Fears Scale (NFS), a new standardized self-report for assessing nighttime fears in school-aged children.

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Background: Internalizing and externalizing problems are widely addressed in research. However, most studies use variable-centred approaches and ignore the possible co-occurrence of both types of symptoms. This study aimed to identify homogeneous groups of children with similar psychological difficulties and strengths, using latent profile analysis as a person-centred approach.

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The parent version of the Short Mood and Feelings Questionnaire (SMFQ-P) is a brief 13-item tool for the screening of depression in children from the age of 6 years. Despite the wide use of the SMFQ-P, its psychometric properties and factor structure remain understudied, with few data available for young school-aged children. The objective of this study was to examine for the first time the factorial structure and psychometric properties of the SMFQ-P in a non-clinical sample of Spanish-speaking children aged 6-8 years.

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The Spence Children's Anxiety Scale (SCAS) has demonstrated good psychometric properties in several countries and cultures. Nevertheless, most of the previous studies that explore these properties have combined clinical and community samples. We aimed to validate the Spanish version of the SCAS in a large clinical sample (N = 130) of children and adolescents.

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This study aimed to examine differences in gender, age, and psychopathology, according to the perfectionism level, and to analyze how perfectionism dimensions contribute to the development of psychological strengths and difficulties in children. Participants were 319 Spanish students (52.4% girls) between 7 and 11 years old ( = 9.

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Effectiveness of video-feedback with cognitive preparation to treat anxiety problems (especially social anxiety) has been scarcely explored on children. Super Skills for Life (SSL) is a CBT-based intervention to reduce anxiety and comorbid problems that, apart from social skills training and behavioural activation, integrates video-feedback with cognitive preparation. This study aimed to evaluate SSL effects, implemented in a school setting, on social performance and to test self-concept and social skills as potential mediators of pre- and post-test changes in social anxiety and generalized anxiety.

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Childhood anxiety problems have a great impact on the daily functioning of children and their families. The first objective of this study was to compare whether the use of cognitive-emotional regulation strategies differs in children with and without anxious symptomatology. A second objective was to analyze the possible mediating role of regulation strategies in the relationship between the presence of anxious symptomatology and its subsequent interference in children's lives.

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Background: Super Skills for Life (SSL) is an innovative transdiagnostic cognitive-behavioral prevention program that has demonstrated positive results targeting children's internalizing problems. SSL has a strong component aimed at enhancing social competence, including strategies such as video-feedback with cognitive preparation. This study examined for the first time the immediate impact of SSL on improving social skills in young children with anxiety symptoms, as well as mediating factors predicting SSL anxiety outcomes.

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The parent-report Mood and Feelings Questionnaire (MFQ-P) is one of the few well-established available measures specifically designed to assess childhood depression from the parent's perspective. However, to date, few studies have analyzed the factorial structure of the MFQ-P. The aim of this study was to examine for the first time the psychometric properties of the scores and factorial structure of the Spanish-adapted version of the MFQ-P in a community sample of Spanish-speaking children.

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Background: The present study examined the long-term efficacy of a transdiagnostic prevention program, Super Skills for Life (SSL), among young children with emotional problems. SSL is based on the principles of cognitive behavioral therapy, behavioral activation, and social skills training.

Methods: One-hundred and twenty-three Spanish-speaking children, aged 6 to 8 years, and their parents participated in the study.

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Based on an already tested laboratory procedure, a new magnetron sputtering methodology to simultaneously coat two-sides of large area implants (up to ~15 cm) with Ti nanocolumns in industrial reactors has been developed. By analyzing the required growth conditions in a laboratory setup, a new geometry and methodology have been proposed and tested in a semi-industrial scale reactor. A bone plate (DePuy Synthes) and a pseudo-rectangular bone plate extracted from a patient were coated following the new methodology, obtaining that their osteoblast proliferation efficiency and antibacterial functionality were equivalent to the coatings grown in the laboratory reactor on small areas.

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Super Skills for Life (SSL) is a transdiagnostic protocol based on cognitive-behavioral therapy designed for children with internalizing problems. The present study examined for the first time the impact of the Spanish-adapted version of SSL in reducing anxiety and depressive symptoms in Spanish-speaking children. A quasi-experimental design with one group, pre- and posttest, and 1-year follow-up was conducted.

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Background: Super Skills for Life (SSL) is a transdiagnostic prevention program designed for children with anxiety and depressive symptoms based on cognitive-behavioral therapy. This study is a trial of the efficacy of the SSL program to reduce anxiety and depression symptoms in a representative sample of Spanish children aged 6 to 8.

Method: This cluster randomized controlled trial involved 123 Spanish-speaking children recruited from 10 schools.

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Although Spence Children's Anxiety Scale (SCAS) is a widely used anxiety measure in many countries around the world, until now, research has barely focused on the usefulness of the parent version (SCAS-P) in young children. This study examines the psychometric properties and the factor structure of the SCAS-P in a Spanish community sample of 181 children aged 6-8 years ( = 6.87,  = 0.

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The Child Anxiety Life Interference Scale (CALIS-C) is a measure created to specifically identify life interference and impairment related to children's anxiety disorders in areas of daily functioning. Despite being a widely used scale, a Spanish version of the CALIS-C is not available. The purpose of this study was to adapt and validate the CALIS-C for Spanish-speaking children.

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Nanocolumnar titanium coatings have been fabricated in two sputtering systems with very different characteristics (a laboratory setup and semi-industrial equipment), thus possessing different morphologies (150 nm long columns tilted 20° from the normal and 300 nm long ones tilted 40°, respectively). These coatings exhibit similar antibacterial properties against Gram positive (Staphylococcus aureus) and Gram negative (Escherichia coli) bacteria. When a synergic route is followed and these coatings are functionalized with tellurium (Te) nanorods, the antibacterial properties are enhanced, especially for the long nanocolumns case.

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Background: The Cognitive Emotion Regulation Questionnaire for children (CERQ-k) is a useful clinical and research tool to identify cognitive patterns of emotion regulation that predict the presence of emotional symptomatology. This study aimed to validate the Spanish version of the CERQ-k (the CERQ-Sk) using a sample of children from Spain, which is not available.

Methods: The sample consisted of 582 children (48.

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