La Teoría de las Demandas y Recursos Laborales: Nuevos Desarrollos en la Última Década / [Job Demands-Resources theory: New developments over the last decade]

Este artículo realiza una descripción general de la teoría de las demandas y recursos laborales (DRL). Se describen los supuestos básicos y se destacan los nuevos hallazgos empíricos e innovaciones teóricas en relación con la teoría. Se analizan cuatro innovaciones principales de la última década, a saber: (a) el enfoque persona × situación de la DRL, (b) la teoría DRL multinivel, (c) nuevos enfoques proactivos en dicha teoría y (d) el modelo de recursos trabajo-hogar. Después de examinar las implicaciones prácticas, se profundiza en las posibles investigaciones futuras que incluyan intervenciones desde la teoría DRL, enfoques de equipo y demandas y recursos de otros ámbitos de la vida.(AU)

This article gives an overview of Job Demands-Resources (JD-R) theory. We outline the basic propositions and highlight new empirical findings and theoretical innovations in relation to the theory. We discuss four major innovations of the past decade, namely (a) the person × situation approach of JD-R, (b) multilevel JD-R theory, (c) new proactive approaches in JD-R theory, and (d) the Work-Home Resources model. After discussing practical implications, we elaborate on opportunities for future research, including JD-R interventions, team-level approaches, and demands and resources from other life domains.(AU)

Workplace Bullying, Emotional Exhaustion, and Partner Social Undermining: A Weekly Diary Study.

Workplace bullying is one of the most relevant social stressors at work. Although previous research has shown its negative consequences for health and well-being, scarce evidence about the short-term consequences of workplace bullying and its crossover effects on the home domain is available. Thus, we conducted a multisource weekly diary study. A sample of 124 employees and their spouses filled a general survey (baseline measures) and a weekly online survey for four consecutive weeks (number of occasions = 992). Multilevel analyses showed that workplace bullying is associated with emotional exhaustion (γ = 0.643, SE = 0.215, t = 2.99, p < .05) and behaviors of social undermining toward the partner (γ = 0.751, SE = 0.187, t = 4.01, p < .01). Furthermore, rumination mediated the relationship between workplace bullying and its potential detrimental consequences for both employees' well-being (i.e., emotional exhaustion) and interpersonal connections (i.e., partner social undermining). These results shed some light on the mechanisms that can explain both the short-term effects of workplace bullying on employees' well-being and how such effects go beyond the work setting and can impact the home domain. The theoretical and practical implications of these findings are discussed.

Exploring daily patterns of work engagement among teachers: a latent growth modeling approach / Explorando patrones diarios de engagement en docentes: una aproximación mediante modelos de crecimiento latente

BACKGROUND: Starting from the Demands-Resources model, our aims through this diary research were to explore daily diary fluctuations in work engagement in a sample of teachers and to look for the effects of that on affect and satisfaction at home. METHOD: Several Latent Growth Curve (LCGA) models were run on two dimensions of work engagement (vigor and dedication) with an exploratory focus, to look for different grouped oscillation patterns. Then, several repeated measures MANCOVA explored whether those patterns were related to affect and satisfaction at night. RESULTS: Two distinct latent trajectories were found for work engagement dimensions. However, neither of them showed any notable development over time. Furthermore, our latent classes were found to be related to inter-individual differences in positive and negative affect, and the satisfaction at home domain, but no interesting within-subjects (overall time) effects were found. CONCLUSIONS: Contrary to our expectations, we provide some evidence of the stability of work engagement over the working week. In addition, following previous results, work engagement levels across the working week were found to be related to levels of affect and satisfaction at home, adding evidence to the spillover potential of work engagement on individuals' key personal resources

ANTECEDENTES: partiendo del modelo de demandas y recursos, este estudio pretende explorar distintos patrones semanales de oscilación en el compromiso laboral de una muestra de maestros, y observar cómo dichos patrones se relacionan con los niveles de afecto y satisfacción en su ámbito extralaboral. MÉTODO: las trayectorias se fijaron mediante varios modelos de curva latente (LCGA) en dos dimensiones del compromiso laboral (vigor y dedicación). Luego, una serie de MANCOVA de medidas repetidas exploraron la relación entre dichas trayectorias y los niveles de afecto y satisfacción extra laboral. RESULTADOS: se localizaron dos trayectorias distintas para ambas dimensiones. No obstante, no se observaron grandes oscilaciones temporales. Asimismo, las trayectorias se relacionaron con diferencias individuales en los niveles de afecto y satisfacción en contexto extralaboral. No se apreciaron efectos intra-sujeto (tiempo) reseñables. CONCLUSIONES: a pesar de evidencias previas, los análisis parecen indicar que el compromiso laboral se comporta de forma estable. Por otro lado, se observó un efecto de contagio entre el nivel de compromiso laboral, el afecto y la satisfacción en el contexto extralaboral, añadiendo evidencia a la relación entre el compromiso y los recursos personales de los trabajadores

Exploring daily patterns of work engagement among teachers: A Latent growth modeling approach.

BACKGROUND: Starting from the Demands-Resources model, our aims through this diary research were to explore daily diary fluctuations in work engagement in a sample of teachers and to look for the effects of that on affect and satisfaction at home. METHOD: Several Latent Growth Curve (LCGA) models were run on two dimensions of work engagement (vigor and dedication) with an exploratory focus, to look for different grouped oscillation patterns. Then, several repeated measures MANCOVA explored whether those patterns were related to affect and satisfaction at night. RESULTS: Two distinct latent trajectories were found for work engagement dimensions. However, neither of them showed any notable development over time. Furthermore, our latent classes were found to be related to inter-individual differences in positive and negative affect, and the satisfaction at home domain, but no interesting within-subjects (overall time) effects were found. CONCLUSIONS: Contrary to our expectations, we provide some evidence of the stability of work engagement over the working week. In addition, following previous results, work engagement levels across the working week were found to be related to levels of affect and satisfaction at home, adding evidence to the spillover potential of work engagement on individuals' key personal resources.

Short-term trajectories of workplace bullying and its impact on strain: A latent class growth modeling approach.

The aim of this weekly diary study was (a) to identify trajectories of workplace bullying over time and (b) to examine the association of each cluster with strain indicators (i.e., insomnia and anxiety/depression). A sample of 286 employees during 4 weeks of data was used (N occasions = 1,144). Results of latent class growth modeling showed that 3 trajectories could be identified: a nonbullying trajectory, which comprised 90.9% of the sample; an inverted U trajectory; and a delayed increase bullying trajectory; the latter two each had 4.2% of the participants. We found a significant interaction between time and trajectories when predicting insomnia and anxiety/depression, with each strain showing a differential pattern with each trajectory. It seems that the negative effects on insomnia are long-lasting and remain after bullying has already decreased. In the case of anxiety and depression, when bullying decreases strain indicators also decrease. In this study, by examining trajectories of bullying at work over time and their associations with strain, we provide new insights into the temporal dynamics of workplace bullying. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

Cutoff scores for workplace bullying: the spanish short-negative acts questionnaire (s-naq) / Puntos de corte para el acoso psicológico en el trabajo: el cuestionario breve de actos negativos (S-NAQ) en español

BACKGROUND: Workplace bullying is considered a major social stressor at work. However, in the Spanish context, there is a lack of measures that allow researchers and practitioners to distinguish between non-targets and targets of workplace bullying. METHOD: This study reports the psychometric properties, factor structure, and cutoff scores for the Short-Negative Acts Questionnaire (S-NAQ) in a Spanish sample (N = 1,409). RESULTS: The S-NAQ demonstrated adequate psychometric properties. Moreover, both Exploratory and Confirmatory Factor Analysis revealed that a unifactorial model of workplace bullying fit the data best. Two cutoff points for the S-NAQ were formulated using receiver operating characteristic curves to categorize respondents as "not exposed to workplace bullying" (scores below 15), "at risk of being bullied" (scores between 15 and 22), and "targets of workplace bullying" (scores above 22). CONCLUSIONS: These cutoff scores may help researchers and practitioners in diagnosing workplace bullying and designing intervention strategies

ANTECEDENTES: el acoso psicológico en el trabajo es un estresor laboral severo de origen social. Sin embargo, en el contexto español, hay escasez de medidas que nos permitan diagnosticar de forma fiable si una persona está siendo objeto de acoso. MÉTODO: se informa de las propiedades psicométricas, la estructura factorial y los puntos de corte del Cuestionario Breve de Actos Negativos (S-NAQ) en una muestra española (N = 1.409). RESULTADOS: el S-NAQ presenta unas buenas propiedades psicométricas. Los análisis factoriales exploratorios y confirmatorios revelan que la escala tiene una única dimensión. Los datos de las curvas ROC indican dos puntos de corte que nos permiten categorizar a las personas como "no expuestas a conductas de acoso" (puntuaciones menores de 15), "en riesgo de ser acosadas" (puntuaciones entre 15 y 22), o "víctimas de acoso" (puntuaciones mayores de 22). CONCLUSIONES: estos puntos de corte pueden facilitar el diagnóstico de acoso y servir para diseñar intervenciones según cada categoría

Cutoff scores for workplace bullying: The Spanish Short-Negative Acts Questionnaire (S-NAQ).

BACKGROUND: Workplace bullying is considered a major social stressor at work. However, in the Spanish context, there is a lack of measures that allow researchers and practitioners to distinguish between non-targets and targets of workplace bullying. METHOD: This study reports the psychometric properties, factor structure, and cutoff scores for the Short-Negative Acts Questionnaire (S-NAQ) in a Spanish sample (N = 1,409). RESULTS: The S-NAQ demonstrated adequate psychometric properties. Moreover, both Exploratory and Confirmatory Factor Analysis revealed that a unifactorial model of workplace bullying fit the data best. Two cutoff points for the S-NAQ were formulated using receiver operating characteristic curves to categorize respondents as "not exposed to workplace bullying" (scores below 15), "at risk of being bullied" (scores between 15 and 22), and "targets of workplace bullying" (scores above 22). CONCLUSIONS: These cutoff scores may help researchers and practitioners in diagnosing workplace bullying and designing intervention strategies.

Ripple Effects of Surface Acting: A Diary Study among Dual-Earner Couples.

This study among 80 dual-earner couples examines the ripple effects of emotional labour - on a daily basis. Specifically, we propose that employees who engage in surface acting at work drain their energetic resources, and undermine their own relationship satisfaction. Drawing upon conservation of resources (COR) theory, we predicted that work-related exhaustion would mediate the relationship between surface acting at work and at home. In addition, we hypothesized that employees' emotional energy in the evening would mediate the relationship between surface acting at home and (actor and partner) satisfaction with the relationship. Participants filled in a survey and a diary booklet during five consecutive working days (N = 80 couples, N = 160 participants x 5 days, N = 800 occasions). The hypotheses were tested with multilevel analyses, using the actor-partner interdependence model. Results showed that daily work-related exhaustion partially mediated the relationship between daily surface acting at work and at home. As hypothesized, daily surface acting at home influenced own and partner's daily relationship satisfaction through reduced daily emotional energy. These findings offer support for COR theory, and have important implications for organizations that encourage emotion regulation.

Ripple effects of surface acting: ad diary study among dual-earner couples

This study among 80 dual-earner couples examines the ripple effects of emotional labour - on a daily basis. Specifically, we propose that employees who engage in surface acting at work drain their energetic resources, and undermine their own relationship satisfaction. Drawing upon conservation of resources (COR) theory, we predicted that work-related exhaustion would mediate the relationship between surface acting at work and at home. In addition, we hypothesized that employees' emotional energy in the evening would mediate the relationship between surface acting at home and (actor and partner) satisfaction with the relationship. Participants filled in a survey and a diary booklet during five consecutive working days (N = 80 couples, N = 160 participants X 5 days, N = 800 occasions). The hypotheses were tested with multilevel analyses, using the actor-partner interdependence model. Results showed that daily work-related exhaustion partially mediated the relationship between daily surface acting at work and at home. As hypothesized, daily surface acting at home influenced own and partner's daily relationship satisfaction through reduced daily emotional energy. These findings offer support for COR theory, and have important implications for organizations that encourage emotion regulation

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Modelos de liderazgo positivo: marco teórico y líneas de investigación / Positive leadership models: theoretical framework and research

El objetivo de este artículo es doble, en primer lugar, se define el marco teórico del liderazgo positivo así como las razones de su aparición. Este surge vinculado al paradigma de la psicología organizacional positiva, en cuyo ámbito, se han desarrollado las diferentes formas de liderazgo que lo integran (i.e. transformacional, de servicio, espiritual, auténtico y positivo). Aunque el constructo no parece unívocamente delimitado, los diferentes tipos que se incluyen bajo esta denominación presentan una gran afinidad y elementos comunes. En segundo lugar, se revisan aspectos prácticos vinculados a la investigación empírica que constatan el impacto de este tipo de liderazgo en las organizaciones y se subraya la relación entre estas formas de liderazgo y variables organizacionales positivas. Finalmente, se analizan futuras líneas de investigación para el desarrollo de este marco conceptual

The objective of this article is twofold; firstly, we set the theoretical boundaries of positive leadership and the reasons for its emergence. It is related to the new paradigm of positive psychology that has recently been shaping the scope of organizational knowledge. This conceptual framework has triggered the development of the various forms of positive leadership (i.e. transformational, servant, spiritual, authentic, and positive). Although the construct does not seem univocally defined, these different types of leadership overlap and share a significant affinity. Secondly, we review the empirical evidence that shows the impact of positive leadership in organizations and we highlight the positive relationship between these forms of leadership and key positive organizational variables. Lastly, we analyse future research areas in order to further develop this concept

Reciprocal relations between workplace bullying, anxiety, and vigor: a two-wave longitudinal study.

BACKGROUND AND OBJECTIVES: Workplace bullying has been classified as an extreme social stressor in work contexts and has been repeatedly linked to several negative consequences. However, little research has examined reversed or reciprocal relations of bullying and outcomes. DESIGN: We conducted a two-wave longitudinal study with a time lag of six months. METHODS: The study sample consisted of 348 employees of the Spanish workforce. The present study examined longitudinal relationships between workplace bullying, psychological health, and well-being. On the basis of conservation of resources theory, we hypothesized that we would find reciprocal relations among study variables over time. RESULTS: Results of cross-lagged structural equation modeling analyses supported our hypotheses. Specifically, it was found that Time 1 (T1) workplace bullying was negatively related to Time 2 (T2) vigor and positively related to T2 anxiety. Additionally, T1 anxiety and vigor had an effect on T2 workplace bullying. CONCLUSIONS: Overall, these findings support the validity of the theoretical models postulating a reciprocal bullying-outcome relationship, rather than simple one-way causal pathways approaches.

Development and validation of the occupational hardiness questionnaire / Desarrollo y validación del Cuestionario Ocupacional de Resistencia

BACKGROUND: One of the most traditional approaches to the positive study of personality has been the research on Hardiness or Hardy Personality. However, studies about this construct have systematically suffered from a lack of sufficient psychometric guarantees of the measures. METHOD: This paper presents the Occupational Hardiness Questionnaire (OHQ), the result of a research line on the subject and its measurement with a total sample of 1,647 participants. RESULTS: Four studies show the results of exploratory factor analysis (EFA), confirmatory factor analysis (CFA), consistency, temporal reliability and construct validity. CONCLUSIONS: Results indicate that the OHQ has satisfactory psychometric characteristics and can be used in the study of Occupational Health and in the area of Positive Personality

ANTECEDENTES: uno de los enfoques más clásicos en el estudio positivo de la personalidad ha sido la investigación acerca de Hardiness o Personalidad Resistente. Sin embargo, los estudios con el constructo han adolecido sistemáticamente de falta de medidas con suficientes garantías psicométricas. MÉTODO: en este trabajo se presenta el Cuestionario de Resistencia Laboral (CRL), resultado de una línea de investigación sobre el tema y su medida con una muestra total de 1.647 participantes. RESULTADOS: se presentan los resultados en cuatro estudios en los que se indican los resultados del análisis factorial exploratorio (AFE), análisis factorial confirmatorio (AFC), consistencia, fiabilidad temporal y validez de constructo. CONCLUSIONES: los resultados encontrados indican que el CRL tiene características psicométricas satisfactorias y que puede utilizarse tanto en el estudio de la salud laboral como en el enfoque de la personalidad positiva

Development and validation of the Occupational Hardiness Questionnaire.

BACKGROUND: One of the most traditional approaches to the positive study of personality has been the research on Hardiness or Hardy Personality. However, studies about this construct have systematically suffered from a lack of sufficient psychometric guarantees of the measures. METHOD: This paper presents the Occupational Hardiness Questionnaire (OHQ), the result of a research line on the subject and its measurement with a total sample of 1,647 participants. RESULTS: Four studies show the results of exploratory factor analysis (EFA), confirmatory factor analysis (CFA), consistency, temporal reliability and construct validity. CONCLUSIONS: Results indicate that the OHQ has satisfactory psychometric characteristics and can be used in the study of Occupational Health and in the area of Positive Personality.

Happiness and well-being at work: A special issue introduction / Felicidad y bienestar en el trabajo: introducción al número especial

Over the last 10 years, research in the area of happiness has exploded, creating a wealth of empirical knowledge about mechanisms and processes that make people happy. One of the most accepted findings in this field is that work contributes quite substantially to well-being and happiness. With the rise of positive psychology in the past decade, there has also been an increased interest in the bright side of organizational life, paying attention to positive phenomena such as engagement, well-being, job satisfaction, or positive affective experiences at work. The ten papers appearing in this special issue of the Journal of Work and Organizational Psychology [Revista de Psicología del Trabajo y de las Organizaciones] address a variety of issues that may enhance our understanding of happiness and well-being at work. We hope that the positive focus of this special issue may serve to encourage further research in this domain (AU)

Durante los últimos 10 años, la investigación en el área de la felicidad ha sufrido una gran explosión, creando una riqueza de conocimiento empírico sobre los mecanismos y procesos que hacen felices a las personas. Uno de los hallazgos más aceptados en este campo es que el trabajo contribuye de manera sustancial a mejorar el nivel de bienestar de las personas. Con la aparición de la psicología positiva en la pasada década ha surgido también un mayor interés en el lado positivo de la vida organizacional, prestándose más atención a fenómenos como el engagement, el bienestar, la satisfacción laboral, o las experiencias de afecto positivo en el trabajo. Esperamos que el foco positivo que se propone en este número especial ayude a fomentar la investigación en esta temática (AU)

The spillover and crossover of daily work enjoyment and well-being: A diary study among working couples / La transmisión entre ámbitos y entre personas del disfrute diario en el trabajo y del bienestar: estudio de diario en parejas trabajadoras

The purpose of this daily diary study was to investigate whether a positive experience initiated at work (i.e., work enjoyment) may have an indirect impact on employees’ significant others. Based on Fredrickson's broaden-and-build theory (2001) we predicted that daily work enjoyment would be positively related to own daily well-being (spillover) and, in turn, daily well-being would be transmitted to the partner (crossover). Eighty couples participated in the study. Participants filled in a diary booklet during five consecutive working days. Overall, results supported our hypotheses. This study is the first to provide evidence for an upward spiral initiated at work and transferred at home in the form of couples’ increased well-being (AU)

El objetivo del presente estudio de diario fue investigar si una experiencia positiva iniciada en el ámbito laboral (disfrutar en el trabajo), tiene un efecto indirecto en la pareja del trabajador. Basándonos en la teoría de Fredrisckson (2001) sobre “ampliar y construir”, planteamos la hipótesis de que el nivel diario de disfrute con el trabajo se relacionaría positivamente con el bienestar en el ámbito personal que, a su vez, se transmitiría a la pareja. Ochenta parejas formaron parte del estudio. Los participantes debían rellenar un cuestionario durante cinco días de trabajo consecutivos. En general, los resultados apoyaron nuestras hipótesis. Este es el primer estudio que proporciona evidencia de una espiral positiva que comienza en el trabajo y se transfiere a la esfera personal, incrementando el nivel de bienestar de los miembros de la pareja (AU)

Agredidos que agreden: la relación recíproca entre víctima y agresor en situaciones de acoso psicológico en el trabajo / The bullied who bullies: the reciprocal relationship between victim and aggressor in workplace bullying situations

El objetivo del presente estudio consistió en explorar las relaciones longitudinales entre los factores organizacionales (sobrecarga de trabajo y justicia procedimental) y ser agresor y víctima de conductas de acoso. Se compararon distintos modelos causales (modelo de estabilidad, de causalidad normal, de causalidad inversa y modelo recíproco). La muestra estuvo compuesta por 286 empleados de dos empresas de Madrid, y se empleó un intervalo temporal de un año. Los resultados de los modelos de ecuaciones estructurales mostraron que el modelo recíproco fue el que mejor ajuste presentaba. Se encontró que la sobrecarga T1 se relacionaba positivamente con ser víctima de acoso T2, mientras que la justicia procedimental presentaba una relación negativa con ser víctima de acoso T2. Se halló un efecto inverso entre ser víctima de acoso T1 y la sobrecarga T2. Además, se encontró una relación recíproca entre ser agresor y víctima de acoso. En general, estos resultados enfatizan la necesidad de extender los modelos causales tradicionales del acoso hacia enfoques más dinámicos (AU)

The aim of this study was to explore longitudinal relationships between organizational factors (workload and procedural justice) and targets and perpetrators of workplace bullying. We compared several causal models (baseline or stability, normal, reversed and reciprocal models). The sample comprised 286 employees from two companies in Madrid, and we used a time-lag of one year. Results of structural equation modeling analyses showed that reciprocal model fi t the data the best. We found that T1 workload was related positively to T2 target of bullying, and T1 procedural justice was related negatively to T2 target of bullying. There was a significant reverse effect of T1 target of bullying on T2 workload. Furthermore, we found a reciprocal relationship between being the target and the perpetrator of bullying. Overall, these findings emphasize the need to extend the traditional causal models of workplace bullying to more dynamic approaches (AU)

[The bullied who bullies: the reciprocal relationship between victim and aggressor in workplace bullying situations]. / Agredidos que agreden: la relación recíproca entre víctima y agresoren situaciones de acoso psicológico en el trabajo.

The aim of this study was to explore longitudinal relationships between organizational factors (workload and procedural justice) and targets and perpetrators of workplace bullying. We compared several causal models (baseline or stability, normal, reversed and reciprocal models). The sample comprised 286 employees from two companies in Madrid, and we used a time-lag of one year. Results of structural equation modeling analyses showed that reciprocal model fit the data the best. We found that T1 workload was related positively to T2 target of bullying, and T1 procedural justice was related negatively to T2 target of bullying. There was a significant reverse effect of T1 target of bullying on T2 workload. Furthermore, we found a reciprocal relationship between being the target and the perpetrator of bullying. Overall, these findings emphasize the need to extend the traditional causal models of workplace bullying to more dynamic approaches.

Elucidating the role of recovery experiences in the job demands-resources model.

Based on the Job Demands-Resources (JD-R) model, the current study examined the moderating role of recovery experiences (i.e., psychological detachment from work, relaxation, mastery experiences, and control over leisure time) on the relationship between one job demand (i.e., role conflict) and work- and health-related outcomes. Results from our sample of 990 employees from Spain showed that psychological detachment from work and relaxation buffered the negative impact of role conflict on some of the proposed outcomes. Contrary to our expectations, we did not find significant results for mastery and control regarding moderating effects. Overall, findings suggest a differential pattern of the recovery experiences in the health impairment process proposed by the JD-R model.

Elucidating the role of recovery experiences in the job demands-resources model

Based on the Job Demands-Resources (JD-R) model, the current study examined the moderating role of recovery experiences (i.e., psychological detachment from work, relaxation, mastery experiences, and control over leisure time) on the relationship between one job demand (i.e., role conflict) and workand health-related outcomes. Results from our sample of 990 employees from Spain showed that psychological detachment from work and relaxation buffered the negative impact of role conflict on some of the proposed outcomes. Contrary to our expectations, we did not find significant results for mastery and control regarding moderating effects. Overall, findings suggest a differential pattern of the recovery experiences in the health impairment process proposed by the JD-R model (AU)

El estudio que aquí se presenta se fundamenta en el modelo de Demandas-Recursos Laborales y se centra en el análisis de las experiencias de recuperación (distanciamiento psicológico, relajación, búsqueda de retos y ocio) como moderadoras de la relación entre las demandas laborales (conflicto de rol) y la salud relacionada con el trabajo. Los resultados obtenidos con una muestra laboral española de 990 trabajadores muestra que el distanciamiento psicológico y la relajación median el impacto negativo del conflicto de rol en las medidas propuestas. Contrariamente a los resultados esperados, no se encontraron resultados significativos para las variables de recuperación, mastery y ocio. En general, los resultados sugieren un patrón diferencial de las experiencias de recuperación en el proceso de salud propuesto por el modelo de Demandas-Recursos Laborales (AU)

Learning, attention/hyperactivity, and conduct problems as sequelae of excessive daytime sleepiness in a general population study of young children.

STUDY OBJECTIVES: Although excessive daytime sleepiness (EDS) is a common problem in children, with estimates of 15%; few studies have investigated the sequelae of EDS in young children. We investigated the association of EDS with objective neurocognitive measures and parent reported learning, attention/hyperactivity, and conduct problems in a large general population sample of children. DESIGN: Cross-sectional. SETTING: Population based. PARTICIPANTS: 508 children from The Penn State Child Cohort. INTERVENTIONS: N/A. MEASUREMENTS AND RESULTS: Children underwent a 9-h polysomnogram, comprehensive neurocognitive testing, and parent rating scales. Children were divided into 2 groups: those with and without parent-reported EDS. Structural equation modeling was used to examine whether processing speed and working memory performance would mediate the relationship between EDS and learning, attention/hyperactivity, and conduct problems. Logistic regression models suggest that parent-reported learning, attention/hyperactivity, and conduct problems, as well as objective measurement of processing speed and working memory are significant sequelae of EDS, even when controlling for AHI and objective markers of sleep. Path analysis demonstrates that processing speed and working memory performance are strong mediators of the association of EDS with learning and attention/hyperactivity problems, while to a slightly lesser degree are mediators from EDS to conduct problems. CONCLUSIONS: This study suggests that in a large general population sample of young children, parent-reported EDS is associated with neurobehavioral (learning, attention/hyperactivity, conduct) problems and poorer performance in processing speed and working memory. Impairment due to EDS in daytime cognitive and behavioral functioning can have a significant impact on children's development.